accident
нещасний випадок (небажана подія, що спричинила шкоду); аварія; подія; пригода; катастрофа
aircraft accident (flight accident; aircraft mishap)
aircraft accident / flight accident, aircraft mishap
aircraft mishap / flight accident, aircraft accident
flight accident / aircraft accident, aircraft mishap
demining accident response plan
follow-up action on accident reports
accident-free flying / mishap-free flying