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List of Abbreviations & Definitions
6-3
GNS-XL Flight Management System
Rev. 0
Oct/96
DEFINITION
FCF Final Course (Alignment) Fix.
FL Flight Level
FAF Final Approach Fix
FDE Fault Detection and Exclusion. Detection mean-
ing the capability of the system to detect a satel-
lite failure that will affect navigation. Exclusion
meaning the capability of the system to exclude
one or more failed satellites from the prediction
solution, thus, preventing a satellite failure from
affecting navigation.
FMS Flight Management System - includes CDU and
optional RPU
FPA Flight Path Angle
FPL Flight Plan
FPM Feet per minute
FR From Waypoint
FREQ Frequency
FT feet
G Glide path (Ref. to VNAV Altitude Constraint)
GMT Greenwich Mean Time
GPS Global Positioning System
GS Groundspeed
HDG Heading
HDOP Horizontal Dilution of Precision
HLTH Satellite Health (Good or Bad)
HP Holding Pattern