USCG DISTRESS SIGNALS QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) | ALREADY SCORED A+ | NEW
UPDATE 2025
MK-127 - ANSWERS Parachute flare
Height: 650-700 feet
Descends: 10-15 fps
Lasts 36 seconds
Firefly - ANSWERS 100,000 candle power
50-70 flashes per minute
Can be seen for 5 nm
9 hours continuous use
18 hours intermittent use
MK-79 - ANSWERS 7 MK-80 and 1 MK-31
Height: 250-650 feet
Lasts 4.5 seconds
12,000 candle power
Whistle - ANSWERS Heard for 1100 yards
Signaling mirror - ANSWERS Reflects sunlight
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) | ALREADY SCORED A+ | NEW
UPDATE 2025
MK-127 - ANSWERS Parachute flare
Height: 650-700 feet
Descends: 10-15 fps
Lasts 36 seconds
Firefly - ANSWERS 100,000 candle power
50-70 flashes per minute
Can be seen for 5 nm
9 hours continuous use
18 hours intermittent use
MK-79 - ANSWERS 7 MK-80 and 1 MK-31
Height: 250-650 feet
Lasts 4.5 seconds
12,000 candle power
Whistle - ANSWERS Heard for 1100 yards
Signaling mirror - ANSWERS Reflects sunlight