Jeppesen FliteDeck 3 - Manual (Page 240)

Quick Reference Guide
243
FTS — Flexible Track System
G
G — Guards only (radio frequencies)
GA — General Aviation
GBAS — Ground-Based Augmentation System
GCA — Ground Controlled Approach (radar)
GCO — Ground Communication Outlet
GEN — General
GLONASS — Global Orbiting Navigation Satellite System
GLS — Global Navigation Satellite System [GNSS] Landing System
GMT — Greenwich Mean Time
GND — Ground Control
GND — Surface of the Earth (either land or water)
GNSS — Global Navigation Satellite System
GP — Glidepath
GPS — Global Positioning System
GPWS — Ground Proximity Warning System
GS — Glide Slope
G/S — Ground Speed
GWT — Gross Weight
H
H — Non-Directional Radio Beacon or High Altitude
H24 — 24 Hour Service
HAA — Height Above Airport
HALS — High Approach Landing System
HAS — Height Above Site
HAT — Height Above Touchdown
HC — Critical Height
HDG — Heading
HDTA — High Density Traffic Airports
HF — High Frequency (3-30 MHz)
HGS — Head-up Guidance System