above ground level (AGL)

Height Above Ellipsoid (HAE); altitude / elevation above the ellipsoid (ellipsoidal height)

altitude above ground level

wing-in-ground-effect amphibious craft; ground-effect vehicle (GEV); wing-in-ground-effect (WIG); ground-effect craft; wingship; flarecraft; ekranoplan

above field level (AFL)

above aerodrome level (AAA)

above sea level (ASL)

elevation above sea level

above mean sea level (AMSL)

height above ground

above-ground launch

above-ground missile emplacement

above-ground structure

flying altitude above ground

above-ground storage

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

surveyor's level (surveying level, tbc)

above water warfare officer

echelon above corps (EAC)

echelon above brigade (EAB)

hull above fender

data above voice

above-water craft

fly above the weather

above the takeoff altitude (AToA)

Any signal above this point

Current altitude (flashes when above alarm threshold)

Values above X might damage motor and/or ESC

flashes when above alarm threshold

Values above 0 will enable the RC pulse filter

level to / with the ground

ground level (GL)

ground level emission