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© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
PBCS: Operational description on Airbus aircraft
Jean-Francois BOUSQUIE
Flight Test Engineer
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
RCP / RSP indications in the cockpit?
June 2015 PBCS ICAO Paris
Page 2
• CNS / ATM Performance Based context:
• C RCP
• N RNP
• S RSP
• Historically, N came first:
• RNP has been used for many years
• Several means are used in the cockpits to give the
crews information with regards to: Navigation Accuracy,
Navigation Integrity, Navigation Uncertainty,…
• Flight Operations based upon RNP values have
expanded
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
RCP / RSP indications in the cockpit?
June 2015 PBCS ICAO Paris
Page 3
Navigation Display
MCDU Progress Page
RNP indications
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
RCP / RSP indications in the cockpit?
June 2015 PBCS ICAO Paris
Page 4
RNP indications
Primary Flight Display A350 FMS F-PLN Page
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
RCP / RSP indications in the cockpit?
June 2015 PBCS ICAO Paris
Page 5
Manual selection
RNP indications
AUTO FLT FMS 1+2 REJECTED
RNP AR CAPABILITY LOST
□ BACKUP GUIDANCE ACTIVE
□ KEEP NAV ENGAGED FOR BKUP GUIDANCE
ABOVE SAFETY ALTITUDE
□ TO ACCESS FMS FUNCTIONS.....PULL HDG
□
CLEAR
Failure case: Status and check-list
Indications on ECAM
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Aeronautical Telecommunication Network
Designed for CPDLC (performances & reliability).
1st implementation : Maastricht UAC in 2000.
Continental airspaces with high density of traffic.
FANS concept – Ground networks
PBCS ICAO Paris
Page 6
Aircraft Communication and Addressing Reporting System
Initially used for airline communication – AOC (Airline Operations Control).
Used (but not designed) for CPDLC since 1995.
Oceanic and remote airspaces
Oceanic and Remote areas
AIRBUS solutions : FANS A / A+ or (A+B)
Continental areas since end of 2006
AIRBUS solutions : FANS B / B+ or (A+B)
ACARS
ATN
June 2015
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
AIRBUS FANS Solutions
PBCS ICAO Paris
Page 7
FANS A / A+ over ACARS
FANS B / B+ over ATN
FANS A+ applications
COM : CPDLC
SURV : ADS-C
FANS B+ applications
COM : CPDLC
ATS 623 applications
Digital ATIS – D-ATIS
Departure Clearance – DCL
Oceanic Clearance – OCL
ATS 623 applications
Digital ATIS – D-ATIS
Departure Clearance – DCL
Oceanic Clearance – OCL
June 2015
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
AIRBUS FANS in A320/A330/A340 Cockpit
PBCS ICAO Paris
Page 8 DCDU: Datalink Control & Display Unit
June 2015
Crew mailbox
Crew keyboard
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
AIRBUS FANS in A380 Cockpit
PBCS ICAO Paris
Page 9
Commonality with A320/330/340
operating principles
A380 Cockpit interactivity
=
More efficient workflow
June 2015
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
AIRBUS FANS in A350 Cockpit
PBCS ICAO Paris
Page 10
June 2015
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Receiving an Uplink Message
PBCS ICAO Paris
Page 11
June 2015
ATC
MSG
ATC
MSG
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Sending a Downlink Message
PBCS ICAO Paris
Page 12
June 2015
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
RCP / RSP indications in the cockpit ?
June 2015 PBCS ICAO Paris
Page 13
• Contrary to RNP, RCP and RSP depend on other systems
than a/c ones
• Contrary to the RNP, no need nor means for a pilot to select
a given RCP / RSP value
• No dedicated indication with regards to RCP or RSP values
but
• HMI optimised for an as low Pilot Operational Response
Time (PORT) as possible
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
RCP / RSP indications in the cockpit ?
June 2015 PBCS ICAO Paris
Page 14
• Distinction between temporary loss
of communications (i.e. No system
failures)
and
between Faults (i.e. system
failures )
²
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Misbehaviour indications
Page 15 ANSP: Air Navigation Service Provider OEM: Original Equipment Manufacturer
DSP: Datalink Service Provider
Intermittent occurrences of the following ECAM
warnings:
- COM VHF3 DATA FAULT
- DATALINK ATC FAULT
- DATALINK COMPANY FAULT
When a CPDLC connection is established
- DCDU displays ATC DISCONNECTED
When a CPDLC message is present on DCDU
- ABORT (amber) is displayed in the top right
corner and LINK LOST (amber) is displayed in
the information zone
Cockpit information
Provider abort example:
- After 6 minutes of sustained loss of
connectivity: automatic ATN disconnection
June 2015 PBCS ICAO Paris
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
RCP / RSP indications in the cockpit?: Conclusion
June 2015 PBCS ICAO Paris
Page 16
• Until further requirements and/or future types of
operations be developped, Airbus cannot and do not
intend to provide RCP / RSP values in the cockpit.
• However, as already started with the A350, the Airplane
Flight Manuals will reflect the compliance to
reglementation
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