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V 4 > Parachute's and Environmental control > Flashcards

Parachute's and Environmental control Flashcards

1
Q

Name the styles of personnel parachute systems.

A

Seat, chest, back, and recovery.

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2
Q

Which parachute style is preferred for general use and why?

A

BA it hugs the body and takes up less space.

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3
Q

What is the difference between a personnel parachute and a recovery system?

A 
Personnel = self contained
Recovery =  integrated component system
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4
Q

How is zero-zero defined for the ACES II?

A

Can be operated with zero speed/altitude.

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5
Q

Name the major components of the automatic back parachute.

A

Canopy, pack harness, automatic ripcord release.

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6
Q

When does the type of parachute assembly change?

A

Only when a major component other than the release is changed.

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7
Q

Describe the C-9 canopy.

A

Multi-colored, 28 ft diameter, flat circular, nylon, lifting drag surface of a parachute.

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8
Q

Where is the thong located on the C-9 canopy?

A

Line 14, 19in above canopy locking loop or 59in above the lower lateral band.

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9
Q

What type of canopy release is installed on the BA parachute pack and harness?

A

PCU-4/P

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10
Q

What action does a pilot take to aid in untwisting suspension lines and/or risers?

A

Reach behind head, grab lines, and vigorously kick.

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11
Q

What is the difference between a full and partial inversion?

A 
Full= canopy inside out
Partial= figure 8
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12
Q

What is the last resort for clearing a line over?

A

Cut offending lines.

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13
Q

What is the ideal climet when working with parachutes.

A

75 degrees 60%

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14
Q

Why is relative humidity and temp. important?

A

Prevent static, and condensation.

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15
Q

What is used to record measurements on a hydro-thermograph?

A

circular graph paper in front.

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16
Q

What device is being used to replace the older style hydro-thermograph?

A

Hydro-thermometer.

17
Q

Describe inspection criteria for the hygro-thermometer.

A

Cracks/damage to display, and batteries for corrosion/proper installation.

18
Q

What is the expected service life of the hygro-thermometer batteries?

A

300 days of constant use.

19
Q

How often do you check and record the readings when properly using the hygrothermometer?

A

3 times a day.

20
Q

What are electric hoists used for in aircraft flight equipment shops?

A

Raise and lower chutes in drying tower.

21
Q

How many parachutes may be lifted with a single hoist?

A

1 at a time.

22
Q

What type of PPE is used inside the drying tower?

A

Helmet, goggles, and gloves.

23
Q

Where do you attach the apex of the chute when using a hoist?

A

In the saddle of the hook?

24
Q

When do you visually inspect hoists?

A

Daily and prior to use.

25
Q

What do you inspect the wire rope for?

A

Fraying, cuts, cursed, kinks, broken strand, worn areas, corrosion, and broken wire,

26
Q

When must you perform operational and load tests on lifting devices?

A

Initial installation, after repairs, or 12 months of inactivity.

27
Q

What can you tell if you cant see the aneroid edge through the inspection view port when performing the 30 day inspection of the Scot release?

A

Your either above 6500ft or the aneroid is leaking/defective after being compared to other units.

28
Q

How often do you perform a routine inspection of personnel parachutes?

A

30days

29
Q

What happens when canopy materials are rubbed together during washing?

A

Threads shift leaving holes.

30
Q

What action do you take when nylon harnesses come in contact with salt water.

A

Rinse with in 24 hours and dry.

31
Q

What cleaning solvents are preferred for use in spot cleaning?

A

Tetrachloroethylene and perchloroethylene.

32
Q

What are three approved methods for temporarily storing packed parachutes?

A

Hang on metal racks, wooden pegs, or placed in wooden bins.

33
Q

What is the recommended climate for parachute storage areas?

A

50-95 degrees F , and 25-80%

34
Q

In general how are parachutes shipped from base to base?

A

As separate components.

35
Q

What action is taken with metal parts prior to shipping parachutes?

A

Wrap in grease proof, acid free barrier.

36
Q

How many DD forms 1574 do you initiate and where do you place them when shipping a packed and serviceable parachute?

A

2, 1 attached to the chute, and the other attached to the outside of the box.

V 4 (17 decks)

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