true horizon

artificial horizon (gyro horizon/ attitude indicator)

artificial horizon / attitude indicator, gyro-horizon

attitude indicator / artificial horizon, gyro-horizon

gyro-horizon / artificial horizon, attitude indicator

true azimuth / bearing

true north (TN)

bearing, true

true wind angle

true wind computer

true wind velocity

true heat capacity

knots true airspeed (KTAS)

runway true bearing

true air speed

true airspeed (TAS) indicator

true altitude

true east

true freezing point

true heading (TH)

true radio bearing

true vertical

true airspeed (TAS)

true Mach number (TMN)

true airspeed

true wind direction

true course display

true course

true wind

true up

high frequency over-the-horizon (HF OTH) radar

horizon

horizon distance