accident-free flight

безаварійний політ

accident-free flying / mishap-free flying

mishap-free flying / accident-free flying

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

mishap- / accident-free flying

accident-free flying

accident-free operation

fatal flight accident

flight accident

in-flight accident

anti-aircraft free-flight rocket

free flight rocket

free-flight aerial rocket

free-flight phase

free-flight projectile range

free-rolling flight

free-flight tunnel

free-flight wind tunnel

hypersonic free flight aerodynamic facility

tunnel free-flight model testing

free flight test

free flight wind tunnel

accident report

aircraft accident

nuclear weapons accident

demining accident