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Transcript of Statistics Portugal Economic Statistics Department Domestic Trade, Tourism and Transport Statistics...
Statistics Portugal Economic Statistics Department Domestic Trade, Tourism and Transport Statistics Unit
«Belgrade, November 27, 2012 «
TKEY CHALLENGES IN AIR TRANSPORT STATISTICS
«THE PORTUGUESE EXPERIENCE
Portugal: - member of the EU since 1986
- population: 10,6 million
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REGULATION (EC) No 437/2003 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL
of 27 February 2003
on statistical returns in respect of the carriage of passengers, freight and mail by air
Information requirements
«
4
COMMISSION REGULATION (EC) No 1358/2003
implementing Regulation (EC) No 437/2003 of the European Parliament and of the Council on statistical returns in respect of the carriage of passengers,
freight and mail by air and amending Annexes I and II thereto
Information requirements
«
5
COMMISSION REGULATION (EC) No 546/2005
of 8 April 2005
adapting Regulation (EC) No 437/2003 of the European Parliament and of the Council as regards the allocation of reporting-country codes and amending Commission Regulation (EC) No 1358/2003 as regards the updating of the list of Community airports
COMMISSION REGULATION (EC) No 158/2007
of 16 February 2007
amending Commission Regulation (EC) No 1358/2003 as regards the list of Community airports
Information requirements
«
6
National data sources
7
Airport central
administration
National authority for
aviation
Collects data from the Airport Central Administration but also from the smaller airports, especially in some Islands (Azores) where the Regional Government is the administrator
Manages the main airports in the Mainland and Islands
Data supply chain
8
Airline 1 Airline n
Airport 1 Airport n
Statistics
Portugal
Airports central
administration
National authority for
aviation
Press releases
Publications
On line indicators
National data sources – the early days
9
Statistics Portugal promoted close contact with:
Airports central administration
and
National authority for aviation
- In order to achieve high involvement and determination to adapt their computer systems and harmonize nomenclatures
- So that all movements are registered (some flaws were detected)
ICAO country identifier code
Passengers
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Direct transit passengers
Source: Eurostat
ICAO - The International Civil Aviation Organization
ICAO country code – document 7910
2-letter code
Concatenation of:
First digit - the ICAO Aeronautical fixed service area codes
Second digit - ICAO country identifier codes
Classifications «
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ICAO airport code
4-letter ICAO codes (alphanumeric
Concatenation of:
First digit - the ICAO Aeronautical fixed service area codes
Second digit - ICAO country identifier codes
Third and fourth digit - national telecommunication centre identifier codes
Classifications «
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Air transport operator code
1EU Airlines licensed in the European Union
1NE Airlines not licensed in the European Union
ZZZ Unknown airlines
888 "confidential" (tables A1 and B1 if an "information on the airline" is not allowed for confidentiality reasons)
999 “all airlines” (in table C1 only)
Classifications
«
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ICAO aircraft type4-letter of the ICAO aircraft type designators - Document 8643
Classifications
«
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Source: http://www.icao.int/publications/DOC8643/Pages/default.aspx
Table A1 - Flight stage dataset
Scope: commercial aviation
Periodicity: monthly basis
Variables: flight stage data registered for airport-to-airport routes broken down by
arrivals/departures,
scheduled/non scheduled,
passenger service/ all-freight and mail service,
airline information and
aircraft type
Values: passengers, freight and mail on board, commercial air flights and passenger seats available
Information requirements
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Table A1 - Flight stage datasetInformation requirements
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Variables Dim Type Coding nomenclature Unit
Table 2 alpha “A1”
Reporting country 2 alpha Main ICAO nationality letters
Reference year 2 numeric 2 last positions of the year
Reference period 2 alpha Explicit (or Statra)
Reporting airport 4 alpha ICAO
Next/previous airport 4 alpha ICAO
Arrival/departure 1 numeric
1 = arrival, 2 = departure
Scheduled / non-scheduled service
1 numeric1 = scheduled, 2 = non-scheduled
Passenger service / allfreight and mail service
1 numeric 1 = passenger service, 2 = all-freight and mail service
Airline information 3 alpha Information on the airline
Aircraft type 4 alpha ICAO
Passengers on board 12 numeric passenger
Freight and mail on board 12 numeric tonne
Commercial air fights 12 numeric Number of flights
Passenger seats available 12 numeric Passenger seat
Table B1 - On flight origin / destination dataset
Scope: commercial aviation
Periodicity: monthly basis
Variables: flight origin/destination data registered for airport-to-airport routes, and broken down by
arrivals/departures,
scheduled/non scheduled,
passenger service/all-freight and mail service and
airline information.
Values: passengers carried and freight and mail loaded or unloaded
Information requirements
«
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Table B1 - On flight origin / destination dataset
Information requirements
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Variables Dim Type Coding nomenclature UnitTable 2 alpha “B1”Reporting country 2 alpha Main ICAO nationality lettersReference year 2 numeric 2 last positions of the yearReference period 2 alpha Explicit (or Statra)Reporting airport 4 alpha ICAOOn flight origin/ destination airport 4 alpha ICAO
Arrival/departure 1 numeric
1 = arrival, 2 = departure
Scheduled / non-scheduled service
1 numeric1 = scheduled, 2 = non-scheduled
Passenger service / allfreight and mail service
1 numeric1 = passenger service, 2 = all-freight and mail service
Airline information 3 alpha Information on the airlinePassengers carried 12 numeric passengerFreight and mail loaded / unloaded 12 numeric tonne
Table C1 - Airport dataset
Scope: commercial aviation + General aviation
Periodicity: annual (at least)
Variables: airport data registered for declaring airports, and broken down by
airline information
Values: total passengers carried, total direct transit passengers , total freight and mail loaded or unloaded, total commercial aircraft movements and aircraft movements
Information requirements
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Table C1 - Airport dataset (1)
Information requirements
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20
Variables Dim Type Coding nomenclature UnitTable 2 alpha “C1”
Reporting country 2 alpha Main ICAO nationality letters
Reference year 2 numeric 2 last positions of the year
Reference period 2 alpha Explicit (or Statra)
Reporting airport 4 alpha ICAO
Airline information 3 alpha Information on the airline
Total passengers carried 12 numeric passenger
Total direct transit passengers 12 numeric passenger
Total freight and mail loaded / unloaded 12 numeric tonne
Total commercial aircraft movements 12 numeric movement
Total aircraft movements 12 numeric movement
Table C1 - Airport dataset (2), if available
Information requirements
«
21
Variables Dim Type Coding nomenclature UnitTable 2 alpha “C1”
Reporting country 2 alpha Main ICAO nationality letters
Reference year 2 numeric 2 last positions of the year
Reference period 2 alpha Explicit (or Statra)
Reporting airport 4 alpha ICAO
Airline information 3 alpha Information on the airline
Total passengers carried 12 numeric passenger
Total direct transit passengers 12 numeric passenger
Total tranfer passengers 12 numeric passenger
Total freight and mail loaded / unloaded 12 numeric tonne
Total commercial aircraft movements 12 numeric movement
Total aircraft movements 12 numeric movement
Exclusions
Exclusion of A1 and B1: Airports handling more than 15 000 and less than 150 000 passengers per year – report only C1 (airport dataset) (category 1)
Total exclusion: Airports handling less than 15 000 passengers units annually(category 0)
Information requirements
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Categories and exclusions in Portugal
Information requirements
«
23
ICAO airport code
Name of airport
Category 2012
Category 2012
Category 2012
LPPT Lisboa 3 Lousã 0 Évora 0LPPR Porto 3 Espinho 0 Mirandela 0LPFR Faro 3 Ferreira do Alentejo 0 Portimão 0LPMA Madeira 3 Montargil 0 Santa Cruz 0LPHR Horta 2 Ponte Sôr 0 Vila Real 0LPPD Ponta Delgada 2 Proença-a-Nova 0 Viseu 0LPFL Flores 1 Santarém 0 Mogadouro 0LPPO Santa Maria 1 Seia 0 Vilar Luz 0LPPS Porto Santo 1 Figueira dos Cavaleiros 0
Beja 0 José Férrinho 0Lajes 0 Bissaya Barreto 0Graciosa 0 Braga 0Pico 0 Bragança 0São Jorge 0 Cascais 0Corvo 0 Chaves 0
Regional aerodromes excluded
Regional aerodromes excluded
Some of the checks produced by Eurostat:
Consistency over time/Passengers
Consistency over time/Freight and mail
Consistency over time/Commercial air flights
Comparison between arrivals and departures
Interdataset checks/Passengers
Interdataset checks/Freight and mail
Seats available check
Mirror checks
Missing routes check
Data quality checks
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Consistency over time - Passengers
Consistency over time - Freight and mail
Consistency over time - Commercial air flights
Applied on A1 and B1
Different thresholds for different magnitudes
- Checks not problematic
Data quality checks
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Comparison between arrivals and departures
Applied on A1 and B1 – only to passengers
Thresholds are tight
- Checks are a problem, due to population flows and alternative means of transport (ferry) between islands
Data quality checks
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26
Data quality checks
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27
Data quality checks
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28
Interdataset checks/Passengers
Interdataset checks/Freight and mail
Applied on
A1 C1
B1 C1
Thresholds are adequate
- Efficient codification good coherence!
Data quality checks
«
29
Seats available check /passengers
Aircraft profile tables - have the average capacity (seats available) and (often) the maximum capacity;
Problems:
- In some short/medium distance flights with large demand, the real capacity of the aircraft can be adjusted: less fuel and cargo capacity provide more offer (these cases must be identified in the database and corrected)
- Aircrafts adapted with more seats
Commercial aircraft movement
-An aircraft movement performed for remuneration or for hire.
-Includes:
- commercial air service movements
- commercial general aviation operations.
Common use of same definitions «
30
Source: Transport glossary (Eurostat/ITF/UNECE)
Commercial air service
An air transport flight or series of flights for the public transport of passengers and/or freight and mail, for remuneration or for hire.
The air service may be either scheduled or non-scheduled.
Common use of same definitions
31
Source: Transport glossary (Eurostat/ITF/UNECE)
General aviation operations – commercialAll commercial civil aviation operations other than scheduled air services and non-scheduled air transport operations for remuneration or hire. The main categories of commercial general aviation are as follows:a) Air taxib) Photographicc) Sightseeing tripsd) Advertisinge) Agricultural/crop sprayingf) Medical/air ambulance tripsg) Other commercial.
Common use of same definitions «
32
Source: Transport glossary (Eurostat/ITF/UNECE)
General aviation operations – non-commercialAll non-commercial civil aviation operations other than scheduled air services and non-scheduled air transport operations for remuneration or hire. The main categories of non-commercial general aviation are as follows:a)State Flightb) Instructional flyingc) Private flyingd) Business flyinge) Parachute and glider launch flightsf) Technical stopsg) Test flighth) Positioning flighti) Other non-commercial.
Common use of same definitions «
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Source: Transport glossary (Eurostat/ITF/UNECE)
Transformation of OD data to flight stage data
Airports
Aircrafts
Transport operators
Need to ensure that airport database is understandable and convertible
Major difficulties
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Systematic data codification
Airports
Aircrafts
Transport operators
Requires IT support, computer programming
Major difficulties
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Assess the seats offered
Tables available have average capacity
Aircrafts often have higher capacity (seats added to the initial construction layout) which may lead to distorted occupancy rates
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Major difficulties
Aircraft seats available, example of reference table
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ICAO Code Aircraft label Seats Min Seats Max Typical capacityA30B Airbus Industrie A300 196 361A310 Airbus Industrie A310 172 280 280A318 AIRBUS--A-318 130 107A319 Airbus Industrie A319 112 145 124A320 Airbus Industrie A320 0 180 150A321 Airbus Industrie A321 146 220 199A330 Airbus Industrie A330 211 440 335A340 Airbus Industrie A340 212 485 380
Major difficulties
Keeping high involvement from airport administrations in order to:
- respect datelines
- have mutual trust and eliminate any doubts about safety procedures with confidential data
For the future
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Keeping high involvement from national authority in order to:
- have help understanding the air transport sector dynamic (companies,, ...)
- get support on validation whenever may be necessary (effects of the bad weather, ...)
For the future
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New information needs, Commission and AESA:
Data with breakdown by type of aircraft (aircraft-km, number of cycles)
True origin / destination, number of transfers, ...
But... One step at a time!
For the future
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