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NOTE:  The abbreviations and acronyms listed below may be used throughout this guide.

ADF - automatic direction finding
AGL - above ground level
AME - aircraft maintenance engineer
ASL - above sea level
ATC - Air Traffic Control
ATS - Air Traffic Services

C - Celsius
CARs - Canadian Aviation Regulations
CAS - calibrated airspeed
CDI - course deviation indicator
C of A - Certificate of Airworthiness

DF - direction finding

ELT - emergency locator transmitter
ETA - estimated time of arrival

GFA          –   graphical area forecast
gph           –   gallons per hour

IAS - indicated airspeed
IFR - instrument flight rules
in. Hg - inches of mercury

kHz - kilohertz
kt. - knot(s)

lb. - pound(s)

M - magnetic
mb - millibar(s)
METAR - aviation routine weather report
MHz - megahertz

NM - nautical mile(s)

OAT - outside air temperature
OBS - omnibearing selector

SM - statute mile(s)
SVFR - special VFR flight

TAF - terminal aerodrome forecast
TAS - true airspeed
TCA - terminal control area

UTC - co-ordinated universal time (Z)

VFR - visual flight rules
VHF - very high frequency
VNC - VFR Navigation Chart
VOR - VHF Omnidirectional Range
VORTAC - combination of VOR and TACAN