1-5
LB: pounds
LED: light emitting diode
LON: longitude
LONG: longitude
LRU: line replaceable unit
m: meters
mA: milliamperes
MATZ: Military air traffic zone
MAHP: missed approach holding point
MAP: missed approach point
mB: millibars
MF: mandatory frequency
MHz: megahertz
mi: statute miles
min: minutes
MOA: military operation area
MSA: minimum safe altitude
msec: milliseconds
NDB: non-directional beacon
N.M.: nautical miles
NPA: non-precision approach
OBI: Omni-directional bearing indicator
OBS: Omni-directional bearing selector
PETE: pointer ETE
RAD: radial
REF: reference
RMI: radio magnetic indicator
RTCA: Radio Technical Commission for Aeronautics
SA: Selective Availability (intentional errors introduced by the DoD)
SAT: static air temperature
sec: seconds
SID: Standard Instrument Departure
SNR: signal to noise ratio
STAR: Standard Terminal Arrival Route
SUP: supplemental user waypoint
TAS: true airspeed
TAT: total air temperature
TD: time difference
TMA: terminal control area
TSO: technical standard order
UTC: universal co-ordinated time (same as Greenwich Mean Time)
V: volts
VHF: very high frequency
VNV: vertical navigation
VOR: very high frequency Omni-directional radio range
W: watts
wpt: user waypoint
Φ
ΦΦ
Φ
sec: microsecond
Φ
ΦΦ
Φ
V: microvolts
Ω: ohms
°
°°
°
C: degrees Celsius
°
°°
°
F: degrees Fahrenheit