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thread used for sewing.
NICOPRESS—A copper sleeve
used to join cables to form loops or
splices.
NYLON, RIPSTOP—A type of
weave designed to prevent tears from
spreading. Extra numbers of yarns
are closely woven into the cloth intermittently
across the width and across
the length.
NYLON, TUBULAR—Sleevelike
weave, seamless, and pressed
flat, similar in appearance to tape, but
stronger and hollow in the center.
NYLON—A synthetic material of
protein-like structure derived from
coal, air, and water, which is adapted
for fashioning into filaments of
extreme toughness, strength, and
elasticity, and used in the manufacture
of parachutes.
O
OPENING SHOCK—The
decelerating force exerted on the load
following that of the snatch force.
Caused by the acceleration of the
canopy and the air mass associated
with it.
OPENING TIME—The time
elapsing between the opening of a
parachute pack and the opening of
the canopy to its fullest extent.
OPENING, PREMATURE—
Any accidental opening of the parachute
prior to the intended time.
OSCILLATION—Pendulumlike
swinging of the suspended load
beneath the inflated canopy. Usually
the result of trapped air escaping
under the lower lateral band.
G-8
OUTBOARD—Meaning facing
to the outside such as a ripcord facing
to the side of the jumper rather
than toward the breastbone.
OVERHAND KNOT—A simple
knot tied separately in each end
of a piece of cord above a square, surgeon’s,
or other knot to prevent the
end from slipping through the lower
knot.
P
PACK—A synonymous term for
the parachute container.
PACK OPENING BAND—A
cloth covered steel spring assembly
with hooks at each end, used to expedite
the opening of the pack by rapidly
pulling the flaps away from the
canopy.
PACK STIFFENER—
Generally, metal stiffeners used in
military assemblies to give shape and
form to the pack.
PACK TRAY—The portion of the
container or deployment device
where the lines are stowed.
PACKING BAR—A long, flat
bar of metal or wood used in the folding
of the canopy of a parachute during
the packing process and to aid in
closing the container. Also known as
a long bar, paddle, or fid.
PACKING HOOK—A special
hook-like tool used to draw the suspension
lines into place in the hesitator
loops. Pull-up cords are
sometimes used for this purpose.
PACKING PADDLE—A flat,
narrow piece of metal or wood used
to form the packed container. Also
known as a packing bar, or fid.
PACKING TABLE—A table
used in packing parachutes, normally
3 feet wide by 40 feet long with a
smooth top surface.
PACKING—The operation of
folding the canopy and enclosing it in
the container.
PANEL—A subdivision of a gore.
Also known as a section.
PARACHUTE INDUSTRY
ASSOCIATION (PIA)—An
international trade organization composed
of parachute manufacturers,
dealers, riggers and others involved
in the parachute industry.
PARACHUTE PACK—Such
as a back pack or chest pack, means
the parachute assembly less the harness.
That is, it means the container,
canopy, suspension lines, pilot chute
risers and connector links. The terms
“pack” and “container” are not synonymous
in the terminology of this
part.
PARACHUTE RECORD
CARD—A card kept in the record
pocket, which records the packing
intervals of the parachute and other
important information as required
under 14 CFR subsection 65.131(c).
Also known as the “packing data
card.”
PARACHUTE RIGGER—A
person certified by the Federal
Aviation Administration who is
authorized to perform packing and
maintenance on parachutes.
PARACHUTE STANDARD
(PS)—PIA Specification for parachute
materials.
PARACHUTE, STATIC
LINE OPERATED—
A parachute operated by a length of
webbing after a jumper has fallen the
length of the static line. The ripcord
pins are pulled from the pack, the
parachute opens, and a “break tie”
breaks, freeing the parachute.
PARACHUTE—An umbrellalike
device designed to trap a large
volume of air in order to slow the
descent of a falling load attached to
the parachute. The word “parachute”
is formed from the French words
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Parachute Rigger Handbook(109)
