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Data communications management for the Boeing 777 airplane

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1 Author(s)
Kerr, R.B. ; Air Transp. Syst. Div., Honeywell Inc., Phoenix, AZ, USA

The integrated avionics architecture of the Boeing 777 airplane, where several functions normally housed in separate computer units are implemented within a single avionics cabinet, presented some unique opportunities and challenges for the implementation of the data link functionality. The Data Communications Management Function (DCMF) is responsible for the communications routing protocols, both for the ACARS air-ground communications and the onboard, fiber optic avionics network. The Flight Deck Communications Function (FDCF) implements the crew interface to the data Link function using a Cursor Control Device (CCD) and Multi-Function Display (MFD) in addition to the conventional Control and Display Unit (CDU) and printer. FDCF is also responsible for the implementation of the customer unique Aeronautical Operational Control (AOC) applications which may be tailor-made and loaded into the system by the airline customer using a ground-based tool. This paper discusses the architectural and operational characteristics of the data link function on the Boeing 777 airplane, and consider how future data link applications and protocols may be accommodated

Published in:

Digital Avionics Systems Conference, 1995., 14th DASC

Date of Conference:

5-9 Nov 1995

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