Pyro Flashcards
Installed Life(CAD’s)
period of time a CAD is allowed to be used after its hermetically sealed container is open.
Shelf Life(CAD’s)
based off date of manufacturer.
DD 1348-1A
transfer of CAD’s from one unit to another requires the receiving unit to fill in this form.
operating CAD’s will be ordered by __________ and ________ before the date they are needed.
tail number & 14 days.
- units are authorized to maintain a small number of spare CAD’s for emergency replacement.
- all military CAD’s will be accounted for and reported via Ammunition Transaction Reports(ATR)
MK-79 (MOD 0 & 2)
- 7 x MK80’s (aggregate weight = 4 1/2g)
- 1 x MK31(bandoleer)
- duration: 4.5 sec
- distance: 250-650 ft.
- candlepower: 12,000
- 48in. long cord attached to bandoleer.
**the cartridge may be removed only after waiting AT LEAST 30 seconds after the last attempt at firing to eliminate the possibility of a misfire.**
MK-124 (MOD 0)
- 45 degree angle when firing
- duration: 20 sec.
- candlepower: 3,600(NIGHT END)
- visibility: 8 miles(NIGHT END) 1/2 miles(DAY END)
(TQ): apprx. weight: 7.60 ounces (NAVSEA SW050) P.57
MK-25 (MOD 4)
- yellow flame w/ white smoke
- contains 744g of pyrotechnic candle(red phosphorous)
- (TQ) aggregate weight: 28 ounces
- duration: 13.5 - 18.5 min.
- TO ARM: fully depress 0.3 in. using 18lbs of force
- MK’er container: 3 x 0.013in. diameter flood holes to ensure MK’er will sink within 3-12 hours after water impact OR 1-3 hours after ignition.
MK-58 (MOD 0)
- yellow flame w/ white smoke
- aggregate weight: 4lbs and 13 1/2 ounces
- (TQ) duration: 40-60 min.
**once armed, MK 58 must be used**
(TQ) Polystyrene container, two(2) MK58’s to the contrainer. A filled container weighs apprx. 28 lbs (NAVSEA SW050) P.265
(PYRO) to prevent false sighting reports….
unit’s OPCON shall send a Notice To Mariners(NTM) within 24 hours in advance stating the:
- time
- place
- pyro device being used.
(PYRO) monthly visual inspection
- two persons
- the Periodic Lot Report(PLR) may be completed.
(PYRO) weekly visual inspection
- one person
- MK 124: protective caps in place. Flares free of dents, bulging, and corrosion(light surface corrosion shall be cleaned with a dry soft cloth)
- MK 79: verify integrity of threads with an expended MK 80. one drop of light lubrication oil shall be applied to the MK 31(bandoleer) firing pin spring assemble as req’d.
(ORDNANCE TTP):
- Wipe non-water activated pyro with a moist clean cloth to remove salt & sand residues
- Wipe water-activated pyro with dry, clean cloth.
pyrotechnic storage
- vegitation within 50ft. of any PES(potential explosive site) shall be maintained at a height of no more than 18in. to create a firebreak, except where topography or other physical characteristics make this impossible.
- front wall clearance of 2ft. shall be maintained
- keep stacks 6in. off the walls and ceiling.
- where possible, pyro should be separated by:
1. Type
2. Color
3. Lot #
When transferring pyro what should not be used?
plastic bed liners because it can produce static electricity.
pyro logbooks
- kept in bound books
- start & end dates on outside of book
- black or blue ink
- hand written in ink - shall be retained aboard for a minimum of 3 years
(ORDNANCE TTP): Ensure the log’s front cover has the following informations:
- Type of log
- Unit name
- “FOUO”
- Log start and end dates
monthly inventory of pyro
- taken as close to the first day of the month as practical
- interval between monthly inventories shall be not less than 23 nor more than 35 calendar days.
(PYRO) authorized unaccompanied access
- designated in writing by the CO/OIC
- list shall be posted inside the small arms storage facility/space.