InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

135
Canadian Forecasting Workshop Session 1: Introductory Remarks on the Science and Art Forecasting Dr. Mike Tretheway InterVISTAS Consulting Chief Economist

description

Various presentations by Ian Kincaid and Mike Tretheway at the Air Traffic Forecasting Workshop in Montreal, Quebec on April 10, 2013.

Transcript of InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Page 1: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Canadian Forecasting WorkshopSession 1:

Introductory Remarks on the Science and Art Forecasting

Dr. Mike TrethewayInterVISTAS Consulting Chief Economist

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Realizing the vision together2

Today’s Workshop

1. Introductory Remarks on Forecasting

2. Transport Canada PODM/PTAM models

3. Alternative Approaches- Single Airport Forecasts

4. Incorporating Uncertainty into Air Traffic Forecasts

5. Current Outlook

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Realizing the vision together3

Today’s Workshop

• Dr. Mike Tretheway• Chief Economist, InterVISTAS Consulting Group• Technical Director, Business Line Aviation

• Ian Kincaid• Vice President, Economic Analysis

• Head of Forecasting Practice

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Background Report ACRP 76

Addressing Uncertainty about Future Airport Activity Levels in Airport decision making

Undertaken by

•InterVISTAS Consulting Inc.

• Mike TrethewayIan Kincaid

•HDR Inc.

• David LewisStéphane Gros

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Airport Forecasting Record.

• Forecasting is an essential tool for airports

• Medium to long term master planning

• Financial forecasts

• Operational Forecasts

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Airport Forecasting Record.

• But the track record has not always been good

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Atlanta

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Actual and Forecast Total Passenger Enplanements at Hartsfield-Jackson Atlanta International Airport

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Washington Dulles

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Actual and Forecast Total Passenger Enplanements at Washington Dulles International

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Airport Forecasting Record.

• But the track record has not always been good

• Albeit with some learning

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St. Louis

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the third time andAA buys TWA.Construction of

new runway beginsAA reduces

services at STL

AA terminates itsfocus city at STL

Actual and Forecast Total Passenger Enplanements at Lambert-St. Louis International Airport

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St. Louis

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TWA declaresbankruptcy for

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TWA declaresbankruptcy for

the third time andAA buys TWA.Construction of

new runway beginsAA reduces

services at STL

AA terminates itsfocus city at STL

Actual and Forecast Total Passenger Enplanements at Lambert-St. Louis International Airport

Page 12: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Airport Forecasting Record.

• Sometimes the long run forecast has been good

• but with short term variance

• And different traffic mix than original forecast

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BWI

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1987 Master Plan Forecast (Baseline)

Piedmont announces hub

First Gulf Warand recession

Southwest Airlines launches services

9/11 andrecession

Recession

U.S. Airways "de-hubs"

Actual and Forecast Total Passenger Enplanements atBaltimore/Washington International Thurgood Marshall Airport

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Airport Forecasting Record.

• Sometimes unanticipated events dramatically change a market

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New Orleans

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Actual and Forecast Total Passenger Enplanements atLouis Armstrong New Orleans International Airport

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Airport Forecasting Record.

• The forecasting record can also be one of underforecasting

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Bellingham WA

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United Express / SkyWest exits in 2001

Allegiant enters in August 2004 and rapidly develops service

Allegiant opens base at BLI in January 2008

Actual and Forecast Total Passenger Enplanements at Bellingham International Airport

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Guessing vs. Analysis

Midway (1976)

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• Setting:Station Hypo• Code breaking centre, Pearl Harbor Naval Base

• Early April 1942 (US fleet crippled after 7Dec1941)

• Issue: forecasting Japanese naval fleet intentions for coming 2 months

• MG is fictional character (Matt Garth)• JR is historical character (Joe Roquefort,

head of Honolulu code breaking unit)

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o MG: Now the boss is afraid Yamamoto's going to jump back at us. But where? JR: We got the latest intercepts here. Here's a list of Japanese ships we suspect will be assigned to amphib operations south of Rabaul. The Coral Sea! That's where we think they'll strike next. But something else is stirring, something out our way.

o MG: We need facts, not guesswork. o JR: Matt, we cracked Yamamoto's code, but we can't just reel it off. We get a flicker here

and a glimmer there. o MG: How much can you decipher? o JR: Hell, maybe... o MG: Really decipher. o JR: Ten percent. o MG: That's one word in . For Christ's sake, you're guessing! o JR: We like to call it analysis

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Types of Airport Forecasts.

• Passenger traffic• Total pax

• Enplaned/deplaned

• O/D vs Connecting

• Cargo tons• E/D vs on-board

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Types of Airport Forecasts.

• Aircraft Movements• Commercial

• Heavy jet, turboprops, piston

• Typically driven by

• base pax/cargo-freighter forecast

• Pax/aircraft (cargo/aircraft)

• General Aviation

• See recent trend

• Other

• Military (Busan, new Beijing examples),

• rescue, government, tech stop22

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Total GA Movements for Canada

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Source: Statistics Canada, Table 401-007, 401-0015 and 401-0021.

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Types of Airport Forecasts.

• Operational Forecasts• Day by day, Hour by hour forecasts

of a specific traffic type

• E.g., volumes through a security pointborder process

• Ex- Blackcomb Ski Corp.• Recognize effects of

• Annual volume drivers• weather, • Interaction between the sessions

• Increased local skiing today means less in 2 weeks

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Forecast Probability and Risk.

• Low-Central-High• What are the probabilities of each scenario?

• Threshold

• What is probability that traffic in each year will fall below 19mn pax?

• Risk

• What is the 20/80% range of the forecast 10 years from now?

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Thank You

Subscribe to Monthly Aviation Intelligence Reportwww.InterVISTAS.com

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Transport Canada ForecastsInterVISTAS Consulting Group

10 April 2013

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Outline

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• Overview of the Transport Canada Forecasts:• Methodology• Data• Pros and cons

• Alternative Approaches:• Single airport methodologies• Methodology• Addressing uncertainty

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Transport Canada Forecasts

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Transport Canada Forecasts

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• Each year, Transport Canada generated medium and long term forecasts of Canadian air traffic

• Up to 14 years in the future• Forecasts of

• E/D passengers and passenger-kms• Air cargo tonnage• Aircraft movements (commercial and GA)

• Breakdowns into domestic, transborder and international• Published forecasts provided national and regional forecasts

(Atlantic, Ontario, Quebec, Prairies/Northern, Pacific)• Most recent document was 2007

• Forecasts for individual airports available for purchase

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Transport Canada Forecasts

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• Transport Canada forecasts based on two inter-connected models

• Originally developed in 1976

• Generation of traffic and allocation of traffic:• Generation: PODM-V2 (Passenger Origin-Destination Model)

• Forecasted Origin-Destination traffic

• E.g., Vancouver-Montreal; Toronto – Los Angeles, etc.

• Allocation: PTAM (Passenger Traffic Allocation Model)• Allocates forecasted passenger traffic to air carrier operations

• E.g., Forecast Vancouver-Montreal traffic allocated to direct service and to connections via Calgary, Toronto, etc.

Page 33: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Transport Canada Forecasts

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• The Generation-Allocation approach is similarapproach to that used in urban transport modeling

• Road systems

• Toll roads

• Public transport

• It allows changes in the network to affect traffic flows

• However, the Transport Canada modeldoes not address congestion or other constraints

• This is often a major factor in urban models

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PODM (Passenger Origin-Destination Model)

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• PODM:

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PODM (Passenger Origin-Destination Model)

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• PODM (Translated):• Based on a zonal system• PODM forecasts traffic between zones• Domestic zones:

• Approx i mately 36 zones based around major airports

• E.g., Toronto - Pearson, City Centre, Hamil ton, Oshawa, Buttonv i ll e, Ki tchener)Vancouver – Vancouver, Abbots ford, Vancouver Harbour

• Transborder zones:• Approx i mately 20 zones

• E.g., Los Angel es , New York , etc .

• International zones:• Country (e.g. , UK) or cont inental (e.g., Africa)

Page 36: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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PODM (Passenger Origin-Destination Model)

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• PODM (Translated):• Gravity Model:

• Traffic between two zones is a function of:

• Model was di rectional

Country A

Country B

Zone A

Zone B

Attractors:PopulationGDPLinguistic similaritiesOther factors

Impeders:Air fareLevel of direct serviceTravel time by car

Page 37: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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PODM (Passenger Origin-Destination Model)

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• Calibrat ion/estimat ion required a lot of data:• O/D passenger Data

• Direc ti onal Ori gin-Des ti nat ion Database

• Based on 10% sample of al l air t ickets

• Espec ial ly devel oped for the model by Stat is ti cs Canada

• Also used U.S. data for transborder

• Air Fare Data• Airfare Bas is Survey

• Quarterl y survey of domesti c, transborder and internat ional air passengers

• OAG schedule data• For determi ning direc t serv ices

• Socio-Economic Data• Populat ion, GDP, etc .

Page 38: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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PODM (Passenger Origin-Destination Model)

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• Separate models for full economy and discount economy

• Proxies for trip purpose but also included cross-elasticities

(switching between full and discount)

• Based on data from several years – 1995 to 2001

• Panel data: based on variation over time and between routes

• Calibrated to ensure that the model reasonably

matches historical data – backcasting

Page 39: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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PODM (Passenger Origin-Destination Model)

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• Forecasting Traffic• Requires forecasts of input variables

• GDP, population:• Based on Conference Board of Canada and other sources

• Air Fare:• Required separate model (Cost and Fare Model)

• Air fare based on input costs:

fuel, labour, aircraft equipment, other

plus productivity improvements

Page 40: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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PTAM (Passenger Traffic Allocation Model)

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• Having established the O/D flows, these need to be allocated to airlines

• Moving from O/D to E/D

• Also attempts to address the impact of O/D traffic on airline services

• Development of direct services• Incremental frequencies

• Incorporates assumptions about future airline fleets, aircraft technology and load factors

• Could require iteration of the PDOM model:• Introduction of direct service could stimulate O/D traffic

Page 41: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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PTAM (Passenger Traffic Allocation Model)

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• Overall assumption of greater allocation of traffic to direct services:

Source: Transport Canada Assumptions Report (2006-20)

Page 42: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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PTAM (Passenger Traffic Allocation Model)

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• Contained specific assumptions about the development of new direct services:

Source: Transport Canada Assumptions Report (2006-20)

Page 43: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Pros and Cons

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• Positives• Arguably the most sophisticated air traffic forecasting system in the world

• The FAA approach is much more basic:National traffic model based on econometric analysisPlus separate forecasts for some individual airports(Terminal Area Forecasts)

• Could model in a complex way the implication of changes to the airline network

• E.g., O/D – Edmonton to Europe• Starts connecting through Toronto (and other hubs)

• Direct start-ups which impacts on traffic flows through Toronto

• Similarly, the gateway impacts on Vancouver:E.g., YOW-YVR-HK now moves YOW-YYZ-HKG

• no zonal system or integrated approach to forecasting

Page 44: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Pros and Cons

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• Negatives• Data!

• O/D Passenger and Air Fare Basis data generally not available due to confidentiality concerns

• Used for national accounts requirements and other purposes

• Raw data needs processing – Transport Canada had a bespoke data pulls to suit forecasting requirements

• More restrictive than U.S. equivalents (available to U.S. citizens)

• Alternative commercial sources are available – MIDT, DIIO, etc.

• But costs are high:• Tens of thousands of dollars per airport

• Prohibitive for individual airports but might still be useful for system-wide purposes (e.g., Nav Canada, CATSA)

• no zonal system or integrated approach to forecasting

Page 45: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Pros and Cons

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• Negatives

• Complexity

• Resources

• Required a small full-time team to maintain

• Costs of model maintenance, calibration and result production

development beyond the capabilities of individual airports and most

other organisations

Page 46: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Alternative Approaches

Page 47: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Single Airport Forecasts

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• Range of methodologies available:

• Time series / trend analysis

• Bottom-up / schedule based

• Econometric models

• Market share models

• A combination of these approaches can be used

Page 48: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Single Airport Forecasts

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• Time series / trend• Based on historical traffic growth rates

• Statistical techniques (ARIMA)

• “Historically has grown at 3.5% per annum so will grow at similar rates in the future”

• Can also reference global forecasts by Boeing, Airbus, FAA, IATA, etc.

Page 49: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Single Airport Forecasts

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• Bottom-up• Tend to be supply-side:

• Development of new routes

• Increase in frequencies and changes in gauge

• Route-by-route forecasts of air service and passenger volumes

• Can be based on announced schedules in the short term

• Guided by fleet acquisitions in the medium term

• Harder for long term forecasts

Page 50: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Single Airport Forecasts

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• Econometric models• Traffic as a function of:

• GDP (or GDP per capita)

• Personal income

• Population

• Air fare

• One-off factors: SARS, air failure, 9/11 (historical events)

• Separate models can sometime be developed for individual markets (Domestic, transborder, international)

• Can be seen as simplified version of the Transport Canada model:• One zone (airport) to small number of destination zones

• Dependent on the data available for airport

Page 51: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Single Airport Forecasts

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• Econometric models• Requires forecasts of explanatory variables

• Generally good sources available for GDP, population, etc.

• Inclusion of air fare can be problematic:• Hard to obtain historical data especially for a long time series

(need 10 years at least)

• Technical issues – fares are an endogenous variable, affected by demand and supply conditions

• Requires use of advanced statistical techniques(Two stage least squared regressions)

• Air fares also need to be forecast, e.g., using a airline cost model

• As a result, air fares are often not included in the analysis

Page 52: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Single Airport Forecasts

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• Yield Trend (U.S.)

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Page 53: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Single Airport Forecasts

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• Market Share Model• Generally involves forecasting the airport’s share of some aggregate

measure of air traffic (national traffic, regional traffic)

• Generally used where there are a number of airports realistically competing for the same traffic

• E.g., UK – five airports compete for the same traffic in London alone(Heathrow, Gatwick, Luton, Stansted, London City)

• New York market

• San Francisco / Oakland

• Few examples in Canada

Page 54: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Concluding Comments - Uncertainty

Page 55: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Addressing Uncertainty

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• Standard approach to uncertainty in both the Transport Canada forecasts and single airport forecasts

• Base case with low and high forecasts

Page 56: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Addressing Uncertainty

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Page 57: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Addressing Uncertainty

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• High-Base-Low:• Everything is bad or everything is good all at once• Variation tends to be arbitrary – why are these the

outer bounds?• No information or assessment of likelihood• Often the range is not that large (+/- 25%) –

history has shown us that bigger deviations are possible

• Has little input into the planning process• Low can be of interest for financing

Page 58: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Addressing Uncertainty

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• Other approaches:• “What-ifs”• Sensitivity tests

• These provide some information on the impact of specific factors or the outcome of certain events

• Again, can be arbitrary without reference to the likelihood of such an outcome

• More on advanced approaches to uncertaintythis afternoon…

Page 59: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Thank You!www.intervistas.com

Page 60: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Addressing Uncertainty in Air Traffic forecasting

InterVISTAS Consulting Group

10 April 2013

Page 61: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Realizing the vision together

Outline

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• Consequences of uncertainty

• Causes of uncertainty• Identifying and evaluating

risk• Incorporating risk into

forecasting

Page 62: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Consequences of Uncertainty

Page 63: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Washington Dulles International Airport

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Page 64: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Lambert-St. Louis International Airport

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Actual Traffic

TAF 1998

TAF 2001

TAF 2002

TAF 2003

TAF 2009

TWA declaresbankruptcy

TWA declaresbankruptcy for

the second time

TWA declaresbankruptcy for

the third time andAA buys TWA.Construction of

new runway beginsAA reduces

services at STL

AA terminates itsfocus city at STL

Page 65: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Louis Armstrong New Orleans International Airport

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Hurricane Katrina

Page 66: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Bellingham International Airport

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Actual Traffic

TAF 2000

TAF 2003

Master Plan Forecast

United Express / SkyWest exits in 2001

Allegiant enters in August 2004 and rapidly develops service

Allegiant opens base at BLI in January 2008

Page 67: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Baltimore/Washington International Thurgood Marshall Airport

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1987 Master Plan Forecast (Baseline)

Piedmont announces hub

First Gulf Warand recession

Southwest Airlines launches services

9/11 andrecession

Recession

U.S. Airways "de-hubs"

Page 68: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Causes of Uncertainty

Page 69: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Causes of Uncertainty

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• Economics• Recessions and booms• Regional conditions (closure of a local business)• Fuel prices

• Airline Strategy• Start, expand, contract or shut service• Transit traffic is fungible

• Airline failure/collapse• Canadian, TWA, Swiss, Sabena

• Regulatory / policy• Deregulation contributed to hubbing, changes in aircraft size, LCCs• Also taxes, security, bilaterals

Page 70: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Causes of Uncertainty

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• Technology• More economical aircraft make new routes possible• Implications for cargo – smaller aircraft reduce bellyhold;

A380 has relatively small cargo space

• Airport Competition• New airports emerge as competitors, e.g., on the U.S. border

• Social / cultural • Concerns about environmental impacts• Use of new communications media (+ve or –ve impact?)

• Shock events• 9/11• SARS

Page 71: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Identifying and Evaluating Risk

Page 72: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Identifying and Evaluating Risk

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• Develop a risk register• Identify and evaluate various risks affecting the airport• What is the particular risk?• What is its likelihood?• What is the impact if it occurs (short and long term)

• Information can be elicited from the airport team• Strategy• Marketing• Facilities• Finance

• Can also examine historical examples• What was the impact of SAR on Toronto; how long was the recovery?

Page 73: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Identifying and Evaluating Risk

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• Presenting the results – Heat diagramLi

kelih

ood

Very High

High

Moderate

Low

Very Low

Very Low Low Moderate High Very

High

Impact on Activity

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Identifying and Evaluating Risk

74

Economic recession

Fuel price spikes

New FAA taxes

Terrorist attack

Loss/failure of Carrier X

Entry of new carrier(e.g., LCC)

Pandemic

Open Skies Liberalization

High Speed Rail Competition

Major tourism event

Increased security requirements

New aircraft technology

Economic boom

5%

10%

15%

20%

25%

30%

35%

-5 -4 -3 -2 -1 0 1 2 3 4 5

Prob

abilt

y

Impact Opportunity >< Threat

Macroeconomic

Market

Regulatory/Policy

Technology

Social/Cultural

Key:

Shock Event

Use of internet for meetings

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76

• Risk analysis augments not replaces traditional forecasting

Time

Enpl

aned

Pas

seng

ers

Original Forecast

Traffic impact of carrier exit and partial recovery

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77

• A simple approach:• Scenario analysis based on the risk register• Development scenarios based on the high probability and

high impact events (both positive and negative)• Similar to high/low approach, but:

• Based on comprehensive assessment of risk• Scenario can be produced to examine extreme events – stress testing• Should be a focus of planning decisions

• However, the approach still lacks information on likelihood or probability

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78

68

242

280

329

401

110

123

152

114151

255

354

162

136150

195

25

2840

61

0

50

100

150

200

250

300

350

400

45019

85

1987

1989

1991

1993

1995

1997

1999

2001

2003

2005

2007

2009

2011

2013

2015

2017

2019

2021

Pass

enge

rs E

npla

nem

ents

(Tho

usan

ds)

Actual Traffic 1980-2000

Post-Masterplan Traffic (2000-2010)

Masterplan Forecast

Extreme Upside Scenario

Extreme Upside with New Carrier Exit

Extreme Downside Scenario

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79

• A more advanced approach:• Monte Carlo simulations• Uses randomisation / probabilities to explore uncertainty• Model inputs are probability distributions rather than fixed numbers• Using computers, the models can be run multiple times, each time with the

inputs randomly generated• With enough iterations, the range of outcomes can be determined and

probabilities applied to them• Historical note: first used at Los Alamos in design of shiled for nuclear reactors• Has also been used in finance, project planning,

telecoms design, medicine,…

Page 80: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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• Normal distribution

-8% -7% -6% -5% -4% -3% -2% -1% 0% 1% 2% 3% 4% 5% 6% 7% 8%

Deviation from Long-Term Economic Growth Rate

10% to 90% Range

Pro

babi

lity

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81

• Pert Distribution

0 500 1,000 1,500 2,000 2,500

Loss of Enplaned Passengers (Thousands)

10% to 90% Range

Pro

babi

lity

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82

Density Function Description

UNIFORM – a distribution where all values within a range of potential outcomes have the same probability. For example, a uniform distribution should be used to characterize the impacts of a threat that may lead to a 10 percent reduction in airport activity, a 20 percent reduction, or any value in between, with the same probability. The uniform distribution is fully specified with a minimum value and a maximum value.

DISCRETE – a distribution where each potential outcome is represented by a single value and a corresponding probability. A discrete distribution is defined by a list of possible, discrete values and corresponding probabilities, where the sum of all probabilities is equal to 1.

GENERALIZED TRIANGULAR – a distribution that uses the median, lower percentile (such as 10%), and upper percentile (such as 90%) as input parameters. Based on these parameters, a triangular distribution is fitted to the data, and the absolute minimum and maximum are calculated as a function of the distribution. This distribution is often used for event risks, where there is equal probability of an input parameter being lower or higher than the median.

Page 83: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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• Determining the distribution (data based):

0

10

20

30

40

50

60

70

-1.5% -0.5% 0.5% 1.5% 2.5% 3.5% 4.5% 5.5% 6.5% 7.0%

Freq

uenc

y

GDP Growth Rate (Mid-Point)

Histogram of GDP Growth Data

Fitted Distribution

Page 84: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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84

• Other events based on judgement (or combination of judgement and data)

• Can involve a complex set of connected inputs

• E.g., exit of a carrier:• Probability of exit• Impact of exit – loss of traffic (can be randomised)• Extent of recovery (also can be randomised)• Time to recover (also can be randomised)

Page 85: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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• Running the Monte Carlo (Sample)

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86

0

5

10

15

20

25

30

35

Year 0 Year 5 Year 10 Year 15 Year 20

Annu

al E

npla

ned

Pass

enge

rs (M

illio

ns)

Most Likely Forecast

25th / 75th Percentile Range

10th / 90th Percentile Range

5th / 95th Percentile Range

Page 87: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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87

0%

20%

40%

60%

80%

100%

0%

2%

4%

6%

8%

10%

12%

14%2,

500

2,75

0

3,00

0

3,25

0

3,50

0

3,75

0

4,00

0

4,25

0

4,50

0

4,75

0

5,00

0

5,25

0

5,50

0

5,75

0

6,00

0

6,25

0

6,50

0

6,75

0

7,00

0

7,25

0

7,50

0

7,75

0

Cum

ulat

ive

Prob

abili

ty

Prob

abili

ty

Passenger Enplanements (Thousands)

Probability Density (Left Hand Scale)

Cumulative Probability (Right Hand Scale)

Page 88: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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• Can answer questions like:• What is the probability that passenger traffic growth will exceed 4%

per annum over the next 20 years? • What is the probability that passenger traffic will be greater than 20

million in five years time? • What is the probability that passenger traffic in 2020 will be less

than 25 million?

• Obvious applications for financial analysis

• But can also be incorporated into planning…

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89

Page 90: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Thank You!www.intervistas.com

Page 91: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Canadian Forecasting WorkshopSession 5:

Current Outlook

Dr. Mike TrethewayInterVISTAS Consulting Chief Economist

Page 92: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Economic Update

Page 93: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Econo-geek VocabularyIf there is a recovery, will it be? • V-shaped

• A rapid recovery back to previous level• Most recessions are V-shaped

• U-shaped• A period of stagnation, with a slow recovery

• L-shaped• An extended period of stagnation

• Japan 1990s. Great Depression

• W-shaped• A V-shaped recovery, followed by another recession

• US, 1970s93

Page 94: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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US Real GDP Growth (Historical)

94

Sources: Historical – Bureau of Economic Analysis; Recessions as defined by the National Bureau of Economic Research

Page 95: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Sources: Historical – Bureau of Economic Analysis; Recessions as defined by the National Bureau of Economic Research

W WW

US Real GDP Growth (Historical)

Page 96: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Realizing the vision together96

Sources: Historical – Bureau of Economic Analysis; Recessions as defined by the National Bureau of Economic Research

W W W V VV

US Real GDP Growth (Historical)

Page 97: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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US Real GDP- recent

97

Source: NBER 27May2010, BEA 23Mar2013

Recession begins

Recession has ended

Page 98: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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US Real GDP Growth - Forecast

Source: 2007-2012 U.S. Department of Commerce, Bureau of Economic Analysis 2013-2017 International Monetary Fund, World Economic Outlook Database, April 2011

Forecast DataA

nnua

lized

Y-O

-Y G

row

th R

ate

Page 99: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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US Real GDP - Risk

• The recent recession had V-shaped recovery

• But there is still risk in the recovery • Managing contraction of Fed Assets

• Without 2nd recession• Without inflation

• will be a challenge• Risk: less than 50%, more than 25%

99

Page 100: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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US Real GDP (Historical)

100Sources: Historical (1946 to 2012) – Bureau of Economic Analysis;

Recessions are wiggles in a steadily growing economy

Page 102: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Canada Real GDP Growth

102

Sources: Historical and Forecast Data from International Monetary Fund, World Economic Database, October 2012.

Ann

ualiz

ed Y

-O-Y

Gro

wth

Rat

e

Historical Data

Forecast Data

Page 103: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Real GDP Growth - Mexico

Sources:

Historical Data: Mexico: International Monetary FundForecast Data: Mexico: International Monetary Fund

2 Recessions

Page 104: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Fuel Prices

Page 105: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Fuel Cost per Litre for Canadian Air Carriers

Source: 1980-1990- Statistics Canada, Aviation in Canada 2006-2011- Statistics Canada, 51-004-X

105

Page 106: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Source: 1980-1990- Statistics Canada, Aviation in Canada 2006-2011- Statistics Canada, 51-004-X

Fuel Cost Percentage of Operating Expense Canadian Air Carriers

106

Page 107: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Fuel Litres per RPK

Source: 1970-1990- Statistics Canada, Aviation in Canada 2006-2011- Statistics Canada, 51-004-X. Transport Canada

107

Page 108: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Fuel Prices - historical

108

Page 109: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Fuel Prices

109

2 year dramatic swingPrices rose by 250%Then crashed to 66%of original price

Page 110: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Crude Oil Price Futures

110

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Oil Price Forecast

111

Page 112: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Oil Price Consensus Forecast

112

•Its not down•Its not back to $145

Page 113: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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2 Sigma Range of Forecasts

Forecast 95% ranges

$-

$20

$40

$60

$80

$100

$120

2010 2011 2012 2013 2014 2015 2016

upper 2 sigma

average

low er 2 sigma

113

Page 114: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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2 Sigma Range of ForecastsForecast 95% ranges

$-

$20

$40

$60

$80

$100

$120

2010 2011 2012 2013 2014 2015 2016

upper 2 sigma

average

low er 2 sigma

114

•Everyone seems to agree

Page 115: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Forecast 95% ranges

$-

$20

$40

$60

$80

$100

$120

2010 2011 2012 2013 2014 2015 2016

upper 2 sigma

average

low er 2 sigma

2 Sigma Range of Forecasts

115

•Everyone seems to agree

Note the scale

Page 116: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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If History Repeats the Swing….Oil Price with Full Historical Range

$-

$50

$100

$150

$200

$250

$300

2010 2011 2012 2013 2014 2015 2016

Upper range

Base price forecast

Lower range

116

Note the scale

Page 117: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

Forecast Components

Page 118: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Source: Statistics Canada Average Fare data, Cat. 51 -004-Xp = preliminaryMajor Air Carriers include Air Canada (mainline & AC Jazz), WestJet, Air Transat and Canada 3000

Average Fare: CanadaNominal: Not Adjusted for Inflation

118

Page 119: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Sources: Statistics Canada Average Fare data, Cat. 51 -004-XStatistics Canada Consumer Price Index

p = preliminary air fare dataMajor Air Carriers include Air Canada (mainline & AC Jazz), WestJet, Air Transat and Canada 3000

Real Average Fare: Canada

119

Page 120: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Source: Transport Canada Registered Commercial Aircraft database

Commercial Aircraft: Canada

120

Page 121: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Passengers per Aircraft- Canada1980-2011

121

Source: InterVISTAS Calculations with data from: Aviation in Canada (1980-1990) and Table 401-0009, Statistics Canadaand Air Carrier Traffic at Canadian Airports. Statistics Canada

Page 122: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Seats per Aircraft- Canada1980-2011

122

Source: InterVISTAS Calculations with data from: Aviation in Canada (1980-1990) and Table 401-0009, Statistics Canadaand Air Carrier Traffic at Canadian Airports. Statistics Canada and Transport Canada.

Page 123: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Total GA Movements for Canada

123

Source: Statistics Canada, Table 401-007, 401-0015 and 401-0021.

Page 124: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Cargo Tonnes Reporting: Statistics Canada vs. Actual Site Statistics

124

Airport

Statistics Canada (Tonnes)

Actual Airport Statistics (Tonnes)

Site to Stats Can Ratio

Calgary Intl, Alta.

83,524

116,000 1.39

Edmonton Intl, Alta.

22,955

36,112 1.57

Montréal/Mirabel Intl, Que.

66,899

95,518 1.43

Montréal/Pierre Elliott Trudeau Intl, Que.

76,623

105,113 1.37

Toronto/Lester B Pearson Intl, Ont.

339,065

492,171 1.45

Vancouver Intl, B.C.

186,385

223,878 1.20

Winnipeg/James Armstrong Richardson Intl, Man.

65,254

175,000 2.68

Source: Statistics Canada, 51-203-X. Individual Airport reports.

Page 125: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Cargo Tons Gap: Site Stats to Stats Can

125

Source: InterVISTAS calculations with data from: Statistics Canada, 51-203-X. Individual Airport reports.

Page 126: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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US vs Canada Pax Traffic1990-2012

126

Source: InterVISTAS Calculations with data from: Canada-Air Carrier Traffic at Canadian Airports. Statistics Canada US- 1960-2006 ATA , 2007-2012 BTS .

Page 127: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Load Factor- Canada

Source: Aviation in Canada, Statistics Canada. Transport Canada

127

Page 128: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Commercial Aircraft Movements

Source: Aviation in Canada (1980-1990) and Table 401-0009, Statistics Canada.

128

Page 129: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Annual Turboprop + Regional Jet Percentages

79% 72% 74% 75%

Scheduled Flight Frequency: Domestic Canada

129

Source: Official Airline Guide Schedule Data, full year data for 1998, 2002, 2007, and 2012.

Page 130: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Annual Turboprop + Regional Jet Percentages

49% 37% 42% 50%

Scheduled Seat Capacity: Domestic Canada

130

Source: Official Airline Guide Schedule Data, full year data for 1998, 2002, 2007, and 2012.

Page 131: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Domestic Canada Scheduled Flight Frequency by Aircraft Body Type

Widebody Regional Jets TurbopropsLegend:

Domestic Canada Scheduled Seat Capacity by Aircraft Body Type

Narrowbody

131Source: Official Airline Guide Schedule Data, full year data for 1998, 2002, 2007, and 2012.

Page 132: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Canadian Air Carrier Total Revenue and Expenses

Source: Statistics Canada, 51-004-X

132

Page 133: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Return on Assets for Canadian Air Carriers

Source: Statistics Canada, 1980-1985- Aviation in Canada. 2005-2011, 51-004-X.

133

Page 134: InterVISTAS Airport Traffic Forecasting Workshop - Presentations, 10April2013

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Accidents for Canadian Commercial Aircraft

Source: 2001-2011 Statistics Canada, 51-004-X. Transportation Safety Board of Canada 1970-1990 Statistics Canada, Aviation in Canada

134

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Thank You

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