сигналізація несправності або відмови
malfunction detection
avionics malfunction
braking malfunction
electrical malfunction
equipment malfunction
landing gear malfunction
mechanical malfunction
stability malfunction
trim malfunction
malfunction
malfunction diagnosing
malfunction(ing)
alarm button
alarm placement
alarm system
alarm unit
audible alarm
automatic chemical agent alarm
Doppler effect alarm
gas alarm / warning
radio alarm signal
WMD alarm (weapon of mass destruction)
air raid siren / alarm
fire extinguishing system sprinkler system and fire alarm system
antitank alarm
assembly formation after an alarm
fire alarm bell
fire alarm light
overflow alarm
visual alarm
circuit alarm
automatic-alarm receiver