Page 94 - Aeronautical Engineer Data Book

Aeronautical definitions 73
Table 4.4 Continued
ACARS Aircraft Communication Addressing and
Reporting System
AD Airworthiness Directive
ADF Automatic Direction Finder
AFIS Airborne Flight Info System
AFTT Air Frame Total Time (in hours)
AP Autopilot
APU Auxiliary Power Unit
ASI Air Speed Indicator
ATIS Automatic Terminal Information Service
(a continuous broadcast of recorded non-
control information in selected high
activity terminal areas)
AWOS Automatic Weather Observation Service
C of A Certificate of Airworthiness
C/R Counter Rotation (propellers)
CAS Calibrated Air Speed
CHT Cylinder Head Temperature Gauge
COM Com Radio
CONV/MOD Conversion/Modification (to aircraft)
DG Directional Gyro
DME Distance Measuring Equipment
EFIS Electronic Flight Instrument System
EGT Exhaust Gas Temperature Gauge
ELT Emergency Locator Transmitter
ENC Air Traffic Control Encoder
F/D Flight Director
FADEC Full Authority Digital Engine Control
FBO Fixed Base Operation
FMS Flight Management System
G/S Glideslope
G/W Gross Weight
GPS Global Positioning System
GPWS Ground Proximity Warning System
GS Ground Speed
HF High Frequency Radio
HSI Horizontal Situation Indicator
HUD Head Up Display
IAS Indicated Air Speed
ICE Has Anti-Icing Equipment
IFR Instrument Flight Rules
ILS Instrument Landing System
KCAS Calibrated air speed (Knots)
KIAS Indicated air speed (Knots)
KNOWN ICE Certified to fly in known icing conditions
LOC Localizer
LRF Long Range Fuel
LRN Loran
MLS Microwave Landing System
N/C Navigation and Communication Radios
NAV Nav Radio