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43 Cards in this Set
- Front
- Back
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How many canopy sizes are there and what are their sizes?
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5 sizes: 35ft, 28ft, 26ft, 24ft and 17ft
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What type of cloth is the canopies made out of?
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Nylon cloth
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How many yards of nylon thread makes up all canopies on a parachute
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2400 yards of nylon thread
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What is the stitch per inch on a canopy?
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8 - 10 SPI
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Ripstop Requirements are...?
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Tensile Strength - 42 pounds per inch
Tear Strength- 5 pounds Air Permeability -80 - 100 cubic feet per min |
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What is the attachment requirements for a suspension line to be attached to a connector link
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a clover hitch and a one- half hitch with bitter end sewn with double throw zig zag stitching.
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Define selvage edge.
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Is a finish edge on two sides of a piece of fabric to prevent raveling.
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Define warp thread
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Runs parallel to the selvage edge of cloth and runs lengthwise down a roll of fabric
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Define filling thread
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Runs prependicular to the selvage edge or crosswise across the width of the cloth
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Define Bias Construction
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Sections used in a parachute canopy are cut at a 45 degree angle to the centerline of the gore
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The tag on Gore 28 includes what?
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Navairfac order #, Manufacture Date, serial # and Manufacturer's Mark or Trademark.
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The tag on Gore 14 includes what?
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Just MFG Date and Serial #
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What are the skirt and vent hem of a parachute reinforced with and what is the tensile strength of that webbing?
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1 inch tubular nylon webbing w/ tensile strength of 4000 pounds
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What type stitching do we use for all machine type stitching?
(Except Zig Zag stitching) |
type 301 Federal Standard 751, 8 - 10 SPI
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28 suspension lines counted at the connector links are actually counted as how many lines all together?
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14 suspension lines all together.
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Suspension Lines are made up of what?
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Type III nylon
tensile strength of 550 pounds |
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Suspension Lines are anchored by what type of stiching to prevent slipping within the canopy?
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Zig Zag stitching
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What is a Parachute Container?
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designed to house and protect the pilot chute, main canopy and suspension lines.
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The ripcord pins can be removed by:
a) manually b) automatically c) both |
C) both manually and automatically
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What is the Parachute Harness made up of?
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1 3/4 inch wide nylon webbing
Tensile strength 6000 - 8700 |
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How many types of parachute harness' are there?
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2 types:
quick-fit and integrated torso harness |
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What does the quick-fit harness consist of?
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3 configurations: seat type, back type and chest type
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What does the Integrated torso harness consist of?
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this combines the harness lap belt and shoulder harness into one.
(reduces # of exposed straps and over weight) |
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What is the Ripcord made up of?
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Consists of locking pins securely attached to a length of 3/32 in diameter corrosion resistant steel cable
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Ripcord Pull Test is?
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300 pounds
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What kind of hardware does the parachute harness consist of?
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Adapters, Snaps, Connector Links and Koch Release Adapters.
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Adapters help with what?
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Used to adjust the harness to the wearer.
(used w/ quick-fit) |
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How many type of Snaps are there?
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3 types:
Plain harness snap Quick-fit Snap Quick- Connector snap |
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What is the Connector Link designed for..?
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Designed to join the parachute to the harness.
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Where are the Koch Release Adapters on the parachute harness and how many types are there?
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Two types: Male and Female
Male: attached to torso suit harness Female: attahed to riser assembly |
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What type of parachute harness do you use the Koch Release Adapters on?
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used on integrated torso harness
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When shipping containers what kind of construction do you ship them in?
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Cardboard or metal construction
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All inflatable survival equipment will be
subjected to what kind of maintenance and under whose control? |
periodic maintenance under the direction and control of the maintenance/material
control officer |
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The periodic inspection cycles should coincide with the
specific aircraft inspection cycles specified in what instruction manual? |
OPNAVINST 4790.2 (series), or personal issue
equipment cycle, as applicable. |
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To meet unusual situations and aid workload
scheduling, a period of how many weeks may be applied to the calendar maintenance interval? |
plus or minus 1 week,
or portion thereof, may be applied to the authorized inflatable survival equipment calendar maintenance interval. |
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A period of plus or minus percent can be applied to equipment in phased maintenance aircraft?
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10% may be applied to equipment in phased
maintenance aircraft. |
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How many types of life rafts are there?
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5 types of life rafts:
LR-1 and LRU-7/p, LRU-12/A, LRU-13/A, LRU-14 and the LRU-15/A |
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how many people can the LR-1 and the LRU-7/P hold?
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one man life raft
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how many people can the LRU-12/A hold?
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4 man life raft
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how many people can the LRU-13/A hold?
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7 man life raft
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how many people can the LRU-14 hold?
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12 man life raft
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how many people can the LRU-15/A hold?
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20 man life raft
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All Life Rafts require what kind of maintenance inspections?
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Preflight, Special and Calendar/Phase
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