Pyro (PG 310) Flashcards
What powers the distress strobe marker?
AA batteries.
What is the peak lumen output per flash for the distress strobe?
150,000 peak lumens.
What is the flash rate of the distress strobe?
60 ±10 flashes per minute.
How far is the distress strobe visible?
2 miles.
How long will the distress strobe operate at 32°F?
8 continuous hours.
How waterproof is the distress strobe?
Waterproof to 33 feet (1 atmosphere).
What does the MK-79 MOD 2 flare kit consist of?
One MK-31 projector and seven MK-80 cartridges.
What is the candlepower of the MK-79 MOD 2 signal flare?
12,000 candlepower.
How high can the MK-79 MOD 2 flare reach?
250 to 650 feet.
How long does the MK-79 MOD 2 flare burn?
4.5 seconds.
How far is the MK-79 MOD 2 visible during daylight?
Up to ¾ mile.
How far is it visible at night?
10 miles.
What must be done before installing the flare cartridge in the projector?
Ensure the firing lever is pulled back and locked.
What distinguishes the night end of the MK-124 MOD 0?
Two raised ridges and white ignition lever with red inscription.
What does the night end of the MK-124 produce?
3,600 candlepower red flame.
How long does the night flare burn?
20 seconds.
How far is the night flare visible?
Up to 8 miles.
What color is the day end ignition lever?
Red with orange inscription.
What does the day end produce?
Orange smoke.
How far is the day smoke visible?
Up to ½ mile, depending on wind.
What does the MK-25 marker produce?
Yellow flame and white smoke.
How long does the MK-25 burn?
13.5 to 18.5 minutes.
What is written on the MK-25 arming cap?
SAFE (green) and ARM (red).
When does the MK-25 scuttle after ignition?
1 to 3 hours.
When does it scuttle if not ignited?
3 to 12 hours after water impact.
How long does the MK-58 MOD 1 burn?
40 to 60 minutes.
What does the MK-58 MOD 1 produce?
Yellow flame and white smoke.
How far is the MK-58 visible?
At least 3 miles.
Why should aircraft avoid low altitudes over MK-58?
Flame from second candle can eject up to 50 feet.
What is the brightness of the emergency signal mirror?
Approximately 8 million candlepower.
How far is the mirror visible?
Up to 40 miles.
What protects the mirror surface?
A thin black plastic film.
What size is the emergency signal mirror?
2 x 3 inches.
What is printed on the back of the mirror?
Step-by-step operating instructions.
What is a common use for Chemlights during hoisting?
RS reference and hoist hook visibility.
How do you activate a Chemlight?
Remove from foil, bend until it snaps, shake.
What is the duration of a 4-inch Chemlight?
6 hours.
What is the duration of a 6-inch Chemlight?
12 hours.
What color dye does the marker produce?
Fluorescent green.
How long does the dye remain visible?
Up to 30 minutes; ceases to be effective after 1 hour.
What is the effective visibility altitude for the dye marker?
2 miles at 3,000 feet.
In what sea conditions should the dye be used?
Calm to moderate.
How is the dye marker opened?
Tear the pull tab at the top of the packet.
What is the whistle used for?
Audible signaling to attract rescue resources.
What is its effective audible range?
Approximately 1,000 yards.
When is the whistle most effective?
In limited visibility or darkness.
Where are signaling devices like strobes and mirrors commonly stored?
In survival vests and survival kits.
How are items in survival kits inspected?
In accordance with the phase cycle of the kit.
What manual covers pyrotechnic device handling and safety?
NAVSEA SW050-AB-MMA-010.
What inspection manual governs survival vests?
MSR MPC.
