Day3 12 Airbus APV

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Airbus aircraft capacities to support APV

Edith PABON-ALQUIERAirbus Flight Operations Support & Services

Presented by:

ICAO LVP&APV workshop 9-11 June 2009


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June 09ICAO LVP&APV workshop Page 2AIR

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ument.

Content

LNAV/VNAV Baro VNAV

RNP AR APCH

Airbus FMS Landing System - FLS

SBAS Satellite Landing System

Conclusion


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Confidentialandproprietarydoc

ument.

LNAV/VNAV Baro-VNAV

During LNAV/VNAV, Baro-VNAV, the aircraft system usesbarometric altitude to compare the vertical position of theaircraft with vertical flight path computed by the FMS, also

using baro-referenced altitudes.

The fly-by-wire Airbus aircraft are equipped with integratedLNAV/VNAV systems with accurate source of barometric

altitude.

Airbus fly-by-wire aircraft systems have been certified byEASA to conduct Baro-VNAV approaches down to a

MDA/H of minimum 250ft.


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Content

LNAV/VNAV RNP APCH

RNP AR APCH



Conclusion


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Airbus Basic RNP Capabilities RNP APCH

Basic certification was demonstrated by reference to theMASPS DO-236 / ED-75

Achieved with AP or FD ON in GPS PRIMARY mode

Approach Terminal En-route

Airbus Certified Capability RNP 0.3 RNP 0.51 RNP 1(2)

Required Capability RNP 0.3 RNP 1 RNP 2(4)

RNP 0.3 applicable to straight in approaches designed under ICAOPANS OPS or FAA TERPS criteria.

All Airbus equipped with FMS and GPS are capable to fly RNP APCH as

per ICAO PBN manual.

DH as low as 250 ft with FINAL APP mode (LNAV/VNAV ) guidance.

Note: This certification was not intended for RNP AR (or SAAAR) operations,

including RNP AR APCH of ICAO PBN manual.


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A procedure is RNP AR if one of the followingcharacteristic is present:

2 x RNP2 x RNPVEBVEB

RNP AR Concept

RNP values lower than 0.3 in approach

RNP AR Concept

RNP AR Concept

Curved flight path below FAF (RF legs)

Reduced obstacle protections, at 2xRNP, without buffers


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RNP AR Certification standards

In some cases, obstacle may be as close as 2xRNP.

Need to demonstrate a

Target Level of Safety of 10-7/approach

Including the effect ofsystem failures

Existing airborne systems are not capable

to meet this objective alone

Operational mitigations are required to achieve

the overall safety objectives (FOSA)


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RNP AR Certification standards

FAA:Rely on Flight Operational Safety Assessment (FOSA)

Engine failure evaluation in ops context

A/C to be maintained within 2xRNP

EASA certification requirements: Engine failure or probable system failures (>10-5/procedure):


Remote system failures (10-5 to 10-7/procedure) :


Safe extraction for failures below 10-7


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RNP AR below 0.3 Certification

RNP AR

EASA

Certification

Requirements

Lateral Deviation scale

Automatic NAV re-engagement

at GA initiation

Triple click upon loss of

FINAL APP or NAV

EGPWS with GPS position

and peaks mode


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cument.

New Lateral Deviation Indication:

L/DEV displayed on PFD Position of the computed flight plan

Full scale: 2 dots = +/- 0.2 NM

Same symbol as the V/DEV

Improved XTK Error resolution on ND:

2 digits after the dot When 0.02 XTK 0.29

RNP AR below 0.3 CertificationLateral Deviation & Improved XTRK error resolution

V/DEV

SPEED FINAL APP

MDA 250

AP1

1FD2A/THR

L/DEV

RNP

ON

RNP Push Button enables the LATDEVdisplay.

With latest standards of equipment, the P/Bis no more required:

The L/DEV is automatically displayed when

needed


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cument.

Certification for RNP AR below 0.3

A318/A319/A320/A321 aircraftA318/A319/A320/A321 aircraft

RNP 0.1 (normal) and RNP 0.2 (non normal)

Departure

(AP on)

Missed Approach

(AP on)

Approach

(AP on)

!"#

Availability planned Q4 2009

Departure

(AP on)

Missed Approach

(AP on)

Approach

(AP on)

RNP 0.24 (non normal)

RNP 0.17 (normal)RNP 0.17 (normal)RNP 0.1 (normal)

Currently

Requires Specific Set of Equipment Package


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cument.


A330-200/-300 aircraftA330-200/-300 aircraft

Departure

(AP on)

Missed Approach

(AP on)

Approach

(AP on)

RNP 0.3 (non normal)RNP 0.1 (normal)RNP 0.3 (normal)RNP 0.1 (normal)

Currently


RNP 0.1 (Normal) and RNP 0.2y (non normal)

Departure

(AP on)

Missed Approach

(AP on)

Approach

(AP on)!"#



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cument.


A340-500/-600 aircraftA340-500/-600 aircraft

RNP 0.1 (normal)RNP 0.3 (normal)RNP 0.1 (normal)

Departure

(AP on)

Missed Approach

(AP on)

Approach

(AP on)

RNP 0.2(non normal)

RNP 0.3(non normal)

RNP 0.2(non normal)




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cument.

The RNP AR limited to 0.3.

Flight around obstaclesNoise abatement,

Track miles saving,

Traffic management,

.

RNP AR procedures are not all equivalent in terms of

exposure:


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cument.

The RNP AR limited to 0.3.

On A318/A319/A320/A321 & A330/A340-600/A340-500On A318/A319/A320/A321 & A330/A340-600/A340-500

RNP 0.3 (normal & non norm)

Departure

(AP on)

Missed Approach

(AP on)

Approach

(AP on)

New

Availability end of the year 2009, or early 2010,

No LAT DEV required.

reduced set of equipment


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cument.

Content

LNAV/VNAV RNP APCH

RNP AR APCH



Conclusion


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June 09ICAO LVP&APV workshop Page 17AIRBUSS.A.S.

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cument.

FMS Landing System (FLS)

FLS is a new way to fly NPA not a new type ofapproach

Airbus has decided to modify the current cockpit design for NonPrecision Approach operational procedures to provide similarinterface for Non Precision Approach as for Precision Approach (ILSLook alike)

This new design allows conducting existing non precision

approaches (VOR, VOR/DME, NDB, NDB/DME, GPS) in the samemanner as Precision Approach (ILS/GLS) with similar display,guidance & warnings.

This function is autonomous and does not require any additionalinformation from the ground.

Applies to straight in approach flight path.


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cument.

FLS Principle

Based on database stored data, an FLS

approach beam is defined. Then, lateraland vertical deviations between theFLS beam and the computed aircraftposition are computed by the MMR andused for guidance and display to thepilot.

Anchor point

FAF

FLS beam

Slope

Anchor Point

FLS beam FAF

Anchor Point

Course

The FLS virtualThe FLS virtual

beam is defined by:beam is defined by:

Anchor PointAnchor Point CourseCourse

SlopeSlope


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cument.

FLS display

1) Pseudo LOC scale & index

1

2

3

56

4

2) Pseudo G/S scale & index

3) Course pointer

4) FLS beam definitionAnchor Point identification

Slope

Distance to RWY threshold

5) Approach capability

6) AP/FD guidance modes


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FLS Benefits

Stabilized approachEnhanced safety operation:

80% of approach accidents occur on non stabilized approaches

FLS available all over the world:

non precision approaches published on any airport in the world

ILS Look alikeHMI close to precision approaches

Reuse of ILS pilot skills , reduction in training needs.

Use of ILS guidance laws in Flight Guidance: same behavioras precision approaches

Temperature compensated


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FLS policy and schedule

FLS is a Multi Programme Project Will be certified on allcurrent Airbus fly-by-wire aircraft

Basic on A380 and A350

Optional on SA and LR programs

Certification schedule:A380: At Entry into service

A320 family: end 09A330/A340 family: from 2010


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Content

LNAV/VNAV RNP APCH

RNP AR APCH



Conclusion


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June 09ICAO LVP&APV workshop Page 23AI

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Future steps:

Technical enablers: all new

GNSS means capable of LPV200

Coverage: worldwide

First step: A350XWB

Targeted procedures: RNAV GNSS

with LPV minima (down to 200)

Technical enabler: GPS+SBAS

Coverage: multi regional

Cockpit integration (HMI, NDB, ..)

Satellite Landing System

Allows to fly RNAV (GNSS) approaches with verticalguidance down to 200ft without any xLS ground station

2003 20232009 2013 2018

GPS L1WAAS L1

GPS L1WAAS/

EGNOS L1

GPS L1

SBAS L1GALILEO L1/E5

GPS L1/L5SBAS L1/L5

GALILEO SOL L1/L5

GPS L1/L1C/L5SBAS L1/L5

GALILEO SOL L1/L5

A350XWB

2011

GPS L1

W. / E. L1

GAGAN/

MSAS L1


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Main benefits

No need forlocal ground station

Provide geometrical vertical guidance

Give access to RNAV GNSS with LPV

minima down to 200

SBAS


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Experimental flight tests

SBAS flight tests performed on A380With a modified MMR,

In an experimental configuration with SBAS on one side and

GBAS on the other side

To mature function for A350 and collect SBAS data

Project launched for A350 to provide SBAS LandingSystem (SLS) with capability to perform LPV-200

approaches (where available)

Currently no plans to introduce SLS for existingprogrammes


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Confidentialandproprietaryd

ocument.

Content

LNAV/VNAV RNP APCH

RNP AR APCH



Conclusion


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ocument.

Conclusion

Satellite based systems and RNP operations foreseen asthe final successor to ground based aids.

Airbus supports the development of new landing systems

in line with operator requirements.

MLS, FLS, SBAS (SLS)

MMR is the key to enable all approaches (precision and non

precision) to be flown the same way.

RNP AR : most of the fly by wire a/c are RNP AR capable.

Airbus has already met more stringent EASA requirements

Reduced operational demonstration for airlines

Higher confidence from national authorities


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Day3 12 Airbus APV

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