ILS = = = = INSTRUMENT LANDING SYSTEM
IM = = = = INNER MARKER
IMC = = = = INSTRUMENT METEOROLOGICAL CONDITIONS
ITO = = = = INSTRUMENT TAKEOFF
KHZ = = = = KILOHERTZ
KTS = = = = KNOTS
= = = =
= = = =
LOC = = = = LOCALIZER
= = = =
= = = =
MAP = = = = MISSED APPROACH POINT
MCA = = = = MINIMUM CROSSING ALTITUDE
MDA = = = = MINIMUM DESCENT ALTITUDE
MEA = = = = MINIMUM ENROUTE ALTITUDE
mhz = = = = MILLIHERTZ
Mhz = = = = MEGAHERTZ
MM = = = = MIDDLE MARKER
MSL = = = = MEAN SEA LEVEL
MVA = = = = MINIMUM VECTORING ALTITUDE
= = = =
= = = =
NDB = = = = NON-DIRECTIONAL BEACON
NM = = = = NAUTICAL MILES
NOTAM = = = = NOTICE TO AIRMEN
= = = =
= = = =
OM = = = = OUTER MARKER
= = = =
= = = =
PAC = = = = PILOT AT CONTROL
PAR = = = = PRECISION APPROACH RADAR
PNAC = = = =PILOT NOT AT CONTROL
PT = = = = PROCEDURE TURN
= = = =
= = = =
RADAR = = = = RADIO DETECTING AND RANGING
R/C = = = = RATE OF CLIMB
RDF = = = = RADIO DIRECTION FINDING
REIL = = = = RUNWAY END IDENTIFIER LIGHTS
RMI = = = = RADIO MAGNETIC INDICATOR
ROC = = = = REQUIRED OBSTACLE CLEARANCE
RPI = = = = RUNWAY POINT OF INTERCEPT
RPM = = = = REVOLUTIONS PER MINUTE
RVR = = = = RUNWAY VISUAL RANGE
RWR = = = = RADAR WARNING RECEIVER
= = = =
= = = =
SID = = = = STANDARD INSTRUMENT DEPARTURE
SIF = = = = SELECTED IDENTIFICATION FEATURE
= = = =
= = = =
TACAN = = = = TACTICAL AIR NAVIGATION
TAS = = = = TRUE AIRSPEED
TERPS = = = = TERMINAL INSTRUMENT PROCEDURES
TMN = = = = TRUE MACH NUMBER
= = = =
= = = =
UHF = = = = ULTRA HIGH FREQUENCY
= = = =
= = = =
VASI = = = = VISUAL APPROACH SLOPE INDICATOR
VDP = = = = VISUAL DESCENT POINT
VFR = = = = VISUAL FLIGHT RULES
VHF = = = = VERY HIGH FREQUENCY
VMC = = = = VISUAL METEOROLOGICAL CONDITIONS
VOR = = = = VHF OMNIDIRECTIONAL RANGE
VORTAC = = = = VHF OMNIDIRECTION RANGE/TACTICAL AIR NAVIGATION
VSI = = = = VERTICAL SPEED INDICATOR
= = = =
= = = =
WX = = = = WEATHER