accident of the ground (terrain)

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

aircraft accident (flight accident; aircraft mishap)

aircraft accident / flight accident, aircraft mishap

aircraft mishap / flight accident, aircraft accident

flight accident / aircraft accident, aircraft mishap

aircraft accident; flight accident

accident of the terrain

nap-of-the-earth (NOE) (ground-hugging / terrain masking / flying under the radar / hedgehopping)

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

accident report

aircraft accident

nuclear weapons accident

demining accident

demining accident response plan

mine accident

follow-up action on accident reports

accident-free flying / mishap-free flying

mishap- / accident-free flying

post-accident check

accident condition

accident conditions

accident data report

accident data reporting

accident data reporting study group

accident data reporting system

accident environment

accident inquiry