літак-спостерігач
spotter reconnaissance plane
plane of rotation / tip path plane
plane-to-plane communication
tip path plane / plane of rotation
forward observer (FO), forward observation officer; (artillery) observer / spotter
gun spotter
gunnery spotter
atom spotter
flash-spotter
spotter helicopter
spotter-director helicopter
spotter-drone
air gun spotter
air gunnery spotter
spotter-tracer round
spotter
artillery spotter
attack plane
diving plane
float-type plane
ground plane antenna
lifting plane (lifting surface area)
pilotless reconnaissance plane
plane survey
plane table
vertical datum plane
vertical plane
doomsday plane / doomsday aircraft
adaptive focal plane array
ditch a plane
focal-plane array sensor
infrared focal plane array