CAP 413 Radiotelephony Manual
Chapter 1 Page 7
DME Distance Measuring Equipment
DR Dead Reckoning
E
EAT Expected Approach Time
ETA Estimated Time of Arrival
ETD Estimated Time of Departure
EGNOS* European geostationary navigation overlay service
F
FAF Final Approach Fix
FIR Flight Information Region
FTU Flying Training Unit (M)
FISO* Flight Information Service Officer
FL Flight Level
Ft Foot (feet)
G
GAT General Air Traffic
GBAS* Ground-based augmentation system (pronounced GEE-BAS)
GS Gliding School (M)
GLONASS* Global Orbiting Navigation Satellite System (pronounced Glo-NAS)
GMC Ground Movement Control
GNSS Global Navigation Satellite System
GPS Global Positioning System
GRAS* Ground-based regional augmentation system (pronounced GRASS)
H
H24 Continuous day and night service (H24 pronounced Aitch Twenty Fower)
HF High Frequency
HJ Sunrise to Sunset
HN Sunset to Sunrise
hPa Hectopascal
17 November 2011