стадія аварійної ситуації / біди (в польоті)
distress alert; distress call
single-phase and triple-phase convertor switcher
distress signal (=SOS)
Global Maritime Distress Safety System (GMDSS)
ship in distress
suffer distress
distress
distress call
distress landing
distress message
distress signal
distress traffic
in distress
international distress frequency
distress beacon
distress signals
Space System for Tracking Ships and Aircraft in Distress – Search and Rescue Satellite (COSPAS-SARSAT)
radio distress call
acquisition phase
air movement phase
aircraft en route phase
aircraft over the objective area phase
assault phase
boost phase
conduct phase
consolidation and reorganization phase
de-escalation phase
deployment phase
designation phase
escalation phase
intelligence acquisition phase
launch phase