Aviation Ordnanceman Chapter 4 Pyrotechnics

Front 1

Navy pyrotechnic devices contain what type of material?

Back 1

Combustible chemicals.

Front 2

Why are dye-marking devices classified as pyrotechnic devices?

Back 2

They are used for the same purpose as the true pyrotechnic.

Front 3

When used during the day, what color smoke is emitted from the MK 13 Mod 0 marine smoke and illumination signal?

Back 3

Orange smoke.

Front 4

What is the burning time for each end of the MK 13 Mod 0 signal?

Back 4

20 seconds.

Front 5

You can identify the night end of the MK 13 Mod 0 signal by the __________.

Back 5

Three prominent beads across its face.

Front 6

List the components fo the MK 79 Mod0 illumination signal kit.

Back 6

MK 31 Mod 0 signal projector, a plastic bandoleer and an instruction sheet.

Front 7

When you activate the MK 79 Mod 0 signal kit, the star is propelled upward to a height of _____________.

Back 7

250 to 650 feet.

Front 8

What is the burn time of the MK 79 Mod 0 star?

Back 8

A minimum of 4 and a half seconds.

Front 9

What is the approximate weight of the LUU-2B/B aircraaft parachute flare?

Back 9

30 pounds.

Front 10

The components of the LUU-2B/B flare are___________.

Back 10

The mechanical timer assembly, the out-of-line igniter, the parachute suspension system, and the case assembly with tamped candle.

Front 11

What is the minimum drop distance setting of the LUU-2B/B flare?

Back 11

250 feet.

Front 12

What is the diameter of the parachute system?

Back 12

18 feet.

Front 13

At launch, the timer knob is pulled off of the timer by what amount of force on the lanyard?

Back 13

30 pounds of force.

Front 14

What is the burn time of the MK 25 Mods 2 and 3 marine location markers?

Back 14

Between 10 and 20 minutes.

Front 15

The MK 25 Mods 2 and 3 marine location markers function in the same way. Describe the difference between them.

Back 15

Mod 2 contains two saltwater-activated batteries and two related squibs and the Mod 3 only contains one battery and one squib.

Front 16

What is the purpose of the heavy aluminum base assembly crimped to the outer tube?

Back 16

It causes the candle to sit out of the water.

Front 17

List the methods used to launch the MK 25 and Mods marine location markers.

Back 17

By hand or sonobuoy launcher.

Front 18

What adapter kit is used when the MK 25 and Mods marine location marker are launched from sonobuoy launchers?

Back 18

MK 34 adapter kit.

Front 19

List the uses of the MK 58 Mod 1 marine location marker.

Back 19

Antisubmarine warfare, search-and-rescue operations, man-overboard markings, and as a target for practice bombing at sea.

Front 20

The MK 58 Mod 1 marker produces a yellow flame and white smoke for what length of time?

Back 20

40 to 60 minutes.

Front 21

Under normal conditions, the flame and/or smoke of the MK 58 Mod 1 marker is visible for ___________.

Back 21

3 miles.

Front 22

List the methods sed to launch the MK 58 Mod 1 marine marker.

Back 22

Hand launched, externally launched from aircraft bomb racks, or from the sonobuoy launchers.

Front 23

What seawater-activated battery is used with the MK 58 Mod 1 marker?

Back 23

MK 72 Mod 1.

Front 24

Describe the primary purpose of decoy flares.

Back 24

Provide evasion tactics for naval aircraft when enemy heat-seeking missiles threaten them.

Front 25

What means are used to launch MK 46 Mod 1C decoy flare?

Back 25

Launched from the AN/ALE-29A, AN/ALE-37A or AN/ALE 39 dispensing set.

Front 26

What cartridges are used to fire the decoy flares from chaff dispensers?

Back 26

MK 131 or CCU-63/B impulse cartridges.

Front 27

What practice bomb signal cartridge is used primarly for night operations?

Back 27

MK 4 Mod 3.

Front 28

What practice bomb signal produces white smoke for day missions?

Back 28

CXU-3A/B

Front 29

Pyrotechnics are dangerous to handle because they are composed of ___________.

Back 29

Chemicals that are intended to burn with intense heat.

Front 30

Combustion requires oxygen. By what method is oxygen supplied to pyrotechnic devices?

Back 30

Generally, pyrotechnic devices contain their own oxygen supply; they don't depend on the atmosphere for it.

Front 31

What means should you use if there is a fire involving parachute flares?

Back 31

Water, in flooding quantities and at low pressure should be used.