order aircraft off ground

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

off-route (off route)

off-design / off design

lift-off / lift off

on-off keying; on/off keying (OOK)

ground forces order of battle

ground order of battle

ground order of battle system

get off the ground

conventional take-off and landing (CTOL) aircraft

short take-off and landing (STOL) aircraft

vertical take-off and landing (VTOL) aircraft

battle-ground / battle ground / battleground

Ground Observer 12 (GO 12 Ground Surveillance Radar, нім. Bodenüberwachungsradar)

vantage ground / vantage-ground

ground-to-ground guided missile

ground-to-ground rocket

ground/air communications / ground-air communication

ground-attack aircraft (gnd atk acft, A)

aircraft ground mishap

aircraft noise received on the ground

aircraft ground and turnaround time

aircraft ground wreck rate

ground-to-air pilotless aircraft

training aircraft (tng acft) / trainer aircraft

aircraft accident (flight accident; aircraft mishap)

aircraft armaments / aircraft weapons

aircraft accident / flight accident, aircraft mishap

aircraft mishap / flight accident, aircraft accident

aircraft modernization / aircraft upgrade

aircraft track and balance (adjusting balance of aircraft)

aircraft upgrade / aircraft modernization