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Flight Management System (FMS) Subcommittee

Last Update: October 3, 2017

Chairman: Mike Bakker, GE Aviation

APIM 15-005: Advanced Flight Management Computer System (pdf, 60K)

Goal: Flight Management Computer Standards for emerging airspace requirements are being developed to take advantage of advancements in Communication, Navigation and Surveillance (CNS), all with the collective goal to increase the capacity and efficiency of the airspace.

Scope: ARINC Characteristic 702A is being updated to meet OEM requirements for new airplanes. The goal is to prepare Supplement 5 that will be aligned to the applicable RTCA/EUROCAE standards in support of NextGen and SESAR initiatives such as Performance-Based Navigation (PBN) and Trajectory Based Operations (TBO). Many of these evolutions are discussed in ARINC Report 660B and part of the larger CNS/ATM initiatives. These include enhanced datalink, satellite-based approach procedures, airport moving map and guidance, and electronic flight bags. Other evolutions include graphical user interfaces (ARINC 661) and software partitioning (ARINC 653).

Benefit: This project will advance the NextGen and SESAR operational concepts that will, in turn, provide a number of benefits to airlines, airframe manufacturers, and avionics suppliers. This will include user-preferred trajectories, fuel savings, environmental benefits, and capacity improvements. The FMS activity provides a forum for participants to advance and shape CNS initiatives from an airline and supplier perspective.

Work Program:

The AEEC endorsed a FMS work program to develop Supplement 5 to ARINC Characteristic 702A. New material will include:

  • Magnetic variation model recommendations
  • Lateral offset recommendations
  • Lateral path transition containment refinement
  • Fixed Radius Turn refinements
  • Temperature compensation
  • AT and AT OR ABOVE speed constraints
  • Vertical path construction rules
  • ETA min/max computation and RTA performance
  • Crew selection of pre-planned RNP values for precision approach

Current Drafts:

Draft 1 of Supplement 5 to ARINC Characteristic 702A: Advanced Flight Management Computer System

Next Meeting Announcement:

Flight Management System (FMS) Subcommittee (pdf, 480K)
November 28-30, 2017, in Seattle, Washington
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Working Papers:

Last Meeting Report:

Flight Management System (FMS) Subcommittee
June 27-29, 2017, in Montreal, Canada

Staff Contact

Paul Prisaznuk
AEEC Executive Secretary