летюча лабораторія
dynamometer engine test bed
bed test
test bed
accident-free flying / mishap-free flying
mishap-free flying / accident-free flying
low flying aircraft / low-flying aircraft
test flying
test-flying accident
hot-bed of tension
traveling trunnion bed
trunnion bed
axle bed
balloon bed
bed
bed die
bed of sight
engine bed
flat-bed company
fuel bed
synthetic foam bed
loading bed
camp bed
shear test / shearing test
stall test / stalling test
anti-low-flying aircraft missile
flying boat
flying bomb
flying control officer
flying properties
flying squadron
flying wing
non-flying squadron