This is an overview of the Initial 4D flight trial from Toulouse France to Stockholm Sweden and return, performed by Air France under EuroControl/SESAR research project for TBO in ATM..

1. Page 1
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
Presented by
Philippe PELLERIN Experimental Test Pilot – Airbus
SESAR JU– Initial 4D “On time !”
Initial 4D Operation
Once the A/C enters the ATC arrival horizon, at least 40' before landing:
1. ATC uplinks to A/C the route clearance to follow down to runway - (via CPDLC).
2. Crew loads the route clearance into the FMS and updates FMS winds and temperatures data (via
AOC datalink function) A/C downlink of 4D predicted trajectory (ADS-C)
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
AOC datalink function). A/C downlink of 4D predicted trajectory (ADS-C).
3. ATC requests Reliable RTA interval for merge point (via ADS-C). A/C downlinks Reliable RTA
interval (via ADS-C).
4. ATC uplinks feasible RTA.
5. Crew inserts RTA in FMS as active data. A/C downlinks A/C 4D predicted trajectory (via ADS-C).
6. 4D trajectory agreed by crew and ATC Descent can be flown in full managed.
ATC Arrival HORIZON
4DT RTA interval
13:52:53
13:50:56
13:48:56
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
FAF
IAF
MP
FAF
IAF
MP
4DT RTA interval
RTA WPT
14:03:56
13:47:36
13:57:21
14:02:43
14:08:35
14:13:53
13:55:25
14:00:49
14:06:40
14:11:58
13:55:10
13:53:49
14:01:32
14:06:45
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2. Page 2
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
Main contributors to the success of the flight
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
Page 3
Main contributors to the success of the flight
Aircraft : A 320 MSN 001 fitted with :
- test installation (recorders)
- prototype FANS B
- development FMS
ATCOs : NORACON and MUAC
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
Board System Providers :
Thales (FMS + FANS B)
Honeywell (FMS)
Airbus (FANS B)
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Ground System Providers :
Indra (Maastricht)
Thales (Malmö)

3. Page 3
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Necessary evolutions of the FMS for I4D
 Improved RTA in descent:
 Accuracy +/- 10s with 95% reliability.
I d th d li
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
 Improved weather modeling:
 10 winds in descent.
 10 temperatures in descent.
 Reliable RTA interval function:
 Available onboard for any waypoint (RTA page).
 Reliable RTA interval reported through ADS-C.
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
 Datalink:
 CPDLC: new RTA messages (1 sec resolution + tolerance value).
 ADS-C: downlink of the 4D trajectory.
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Page 5
FMS evolutions (HMI)

D E S C E N T T EM P
S A T / A L T
4 0 ° / F L 3 2 0

D E S C E N T W I N D
T R U W I N D / A L T A L T N W I N D
SESAR – Initial 4D On time ! Amsterdam 6 March 2012

- 4 0 ° / F L 3 2 0
- 3 5 ° / F L 2 7 0
- 3 3 ° / F L 2 3 0
- 3 5 ° / F L 2 0 0
- 2 5 ° / F L 1 5 0
< R E T U R N

0 6 0 ° / 0 6 0 / F L 3 2 0 0 1 0 ° / 0 6 5
F L 3 3 0
0 5 5 ° / 0 5 8 / F L 3 0 0
W I N D
0 4 0 ° / 0 5 5 / F L 2 7 0 R E QU E S T *
P R E V
0 2 0 ° / 0 5 0 / F L 2 5 0 P H A S E >
0 1 5 ° / 0 4 5 / F L 2 0 0
< R E T U R N
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
Extended descent wind levels New descent temperature page
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4. Page 4
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FMS evolutions (HMI)
R T A
A T W P T D I S T R T A
RTA in descent phase
R T A
A T W P T D I S T R T A
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
D E V R O 4 2 [ ]
M A N A G E D E T A
2 8 0 1 5 : 3 8 : 1 5
A C T M O D E
M A N A G E D
V M A X U T C
3 1 0 / 0 . 7 9 1 4 : 5 0 : 0 0
R E L I A B L E R T A
1 5 : 3 7 : 0 5 / 1 5 : 5 1 : 5 1
< R E T U R N
D E V R O 4 2 1 5 : 4 0 : 0 0
M A N A G E D E T A
2 8 0 1 5 : 4 0 : 0 2
A C T M O D E
M A N A G E D
V M A X U T C
3 1 0 / 0 . 7 9 1 4 : 5 0 : 0 0
A C C U R
+ / - 1 0
< R E T U R N
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
MAX RTA speed
(tuned manually)
Display of 95% RTA
reliability interval
Display of RTA
tolerance
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FMS evolutions (HMI)
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
« R » for RTA managed speed RTA displayed with a 1 second
resolution
Page 8

5. Page 5
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Flight Trial
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
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Page 9
Flight Trial
• Legs 1-3: Honeywell FMS
• Leg 1 : Take off at 06h30 UTC on Feb 10th from Toulouse
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
• Leg 2 : Flight within MUAC airspace (1 metering point en-route)
• Leg 3 : Transfer MUAC to NORACON
Approach to Copenhaguen (1 metering point around FL80)
Approach to Stockholm (1 metering point around FL80)
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Landing in Stockholm
Page 10

6. Page 6
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Flight Trial
• Legs 4-6: Thales FMS
• Leg 4 : Take off from Stockholm
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
Approach to Stockholm (1 metering point around FL80)
• Leg 5 : Approach to Copenhaguen (1 metering point around FL80)
• Leg 6 : Transfer NORACON to MUAC
Flight back to Toulouse (1 metering point en-route)
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
Flight back to Toulouse (1 metering point en route)
Landing in Toulouse at 16h15
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Achieved times
Position Time of Insertion RTA entered Achieved Delta
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
REVLA 07.54 08.27.00 08.27.06 +6
KUBIS 08.38 09.00.00 09.00.02 +2
SA620 09.27 09.56.15 19.56.14 -1
SA489 12.39 13.03.36 13.03.39 +3
CH446 13.24 13.50.03 13.50.04 +1
WOODY 14 07 14 37 32 14 37 34 2
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WOODY 14.07 14.37.32 14.37.34 +2
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7. Page 7
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Main observations
• RTA
• All 6 RTAs were met within the required 10 seconds.
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
• CPDLC
• Uplinked routes and time constraints processed correctly.
• ADS-C
• Provision of airborne data (trajectory predictions and ETA
window) to the ground worked all ok.
• Worth noting that for the first time, ADSC was routed via
ATN i t d f ACARS
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ATN instead of ACARS
• Weather
• Meteo updates consistently processed by crew.
Page 13
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
Expected benefits
• Thanks to management through RTA, CTOT could be
discarded
• Less delays on ground
• More flexibility for airlines
• Better management of the arrivals
• No more holdings
• Less fuel burn
• Less delays
• Possibility to fly close-to-CDA descents
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
Page 14
• Less noise

8. Page 8
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
2010 2011 2012 2013 2014
Overall I4D validation plan
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
Previous studies:
BASIC 4D
Evaluations on
EPOPEE
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
i4D Step A
Flight Trial
Coupled
simulators
Initial developments air
+ ground
Page 15
2010 2011 2012 2013 2014
Overall I4D validation plan
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
Coupled
simulators
i4D Step B
Flight Trial TBC
Previous studies:
BASIC 4D
Evaluations on
EPOPEE
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
i4D Step A
Flight Trial
Coupled
simulators
p
Initial developments air
+ ground
Ground systems
2nd generation
(Step A outputs)
Page 16

9. Page 9
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
2010 2011 2012 2013
Flight Trial
Coupled
2014
Overall I4D validation plan
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
i4D Step C
p
simulators
Coupled
simulators
i4D Step B
Ground systems 3rd generation Airborne
systems 2nd generation
(Step A + B outputs)
Flight Trial TBC
Previous studies:
BASIC 4D
Evaluations on
EPOPEE
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
i4D Step A
Flight Trial
Coupled
simulators
p
Initial developments air
+ ground
Ground systems
2nd generation
(Step A outputs)
Page 17
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
Conclusions
• The I4D flight contributed to demonstrate the technical
and operational feasibility of the concept by
and operational feasibility of the concept by
• Maturing the technical definition and the system design
• Providing a first exposure to operational community
• The I4D flight is the result of a successful enhanced
collaborative work (ground industry, airborne industry,
ANSPs)
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Page 18

10. Page 10
© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
RTA : 00:20:00 Time : 00:19:57
RTA : 00:20:00 Time : 00:19:58
RTA : 00:20:00 Time : 00:19:59
RTA : 00:20:00 Time : 00:20:00
RTA : 00:20:00 Time : 00:19:57
RTA : 00:20:00 Time : 00:19:58
RTA : 00:20:00 Time : 00:19:59
RTA : 00:20:00 Time : 00:20:00
On Time !
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Thank you for your attention
SESAR – Initial 4D On time ! Amsterdam 6 March 2012
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