A method of
gathering the suspension lines when
field packing a parachute so as to
reduce the possibility of their becoming
representation of a canopy used to
identify and mark damaged areas for
A short, tapered seam.
pockets sewed to the inside and outside
surfaces of a parachute container
for carrying the parachute record
To slow down.
A free-falling body will decrease its
rate of descent due to pressure of the
atmosphere against its frontal area.
This resistance will gradually
increase as the falling body nears the
earth due to increasing atmospheric
A unit of measurement
of silk in which the size of yarn is
quoted as its weight per length. This
is determined by weighing 9,000
meters and quoting the size of the
yarn in grams. Thus, if 9,000 meters
weigh 30 grams, the size of the yarn
is then known as 30 denier.
A sleeve or bag.
of a parachute’s operation occurring
from the moment of pack opening to
the instant the suspension lines are
fully stretched but prior to the inflation
of the canopy. Also known as
parachute rigger appointed by the
Administrator to conduct oral and
practical tests required for the certification
of parachute riggers.
fell seam of the canopy which joins
two sections of a gore. Diagonal
seams meet the centerline of the gore
at angles of 45 degrees and 135
The greatest distance
across a flat canopy, from skirt
to skirt, measured when the canopy is
lying flat. This measurement designates
the size of the parachute in feet.
Generally, a fabric
panel secured by the suspension lines
which is sewn to and wrapped around
the canopy. Used to control and
reduce opening forces. Found mostly
on round reserves.
The lower part of the tool
used in a press to install snap fasteners
DIRECT BAG STATIC
A static line
deployment system where the bag is
attached to the static line and the
canopy deploys free into the
DOUBLE THROW ZIGZAG
Stitching in which
the needle makes a center stitch
between each left and right stitch.
Also known as a No. 308 stitch.
A metal fitting shaped
like a D into which snap connectors
dummy or other load from an aircraft
in flight or otherwise simulating a
live jump to prove serviceability of a
DROP ZONE (DZ)
area upon which personnel or
equipment are dropped by parachute.
where parachutes are suspended for
airing and drying.
A sport assembly consisting
of a main and a reserve parachute.
Torso-shaped dummy of variable
weight used for testing parachutes;
may be of fixed or articulated construction.
test using a dummy as the suspended
DURABLE DOT FASTENER
The common snap fastener
used for closing flaps, etc.