Descriptionary

pack tray the container part that holds the lines when stowed.

paraboots special shock-absorbent boots worn by jumpers.

pilot chute a small parachute used to help deploy the main parachute.

PLF parachute landing fall; a method of landing in which impact is distributed across several points of the body instead of to the feet and ankles alone.

poised exit an exit made from an airplane wing or strut.

relative work working with others in midair to cre­ate formations or to conduct stunts.

reserve the auxiliary chute.

running directing the parachute to fly with the wind to increase ground speed.

smoke flares used to make the jumper easier to spot from spectators on the ground.

spotting choosing the airplane course and a ground landmark over which to jump in order to land at a desired location.

stall the loss of lift.

static line a line attached from the aircraft to the parachute; it automatically deploys the parachute as soon as the jumper exits the plane.

steering lines short lines connected to the suspen­sion lines, used to steer the canopy. Also known as toggle lines.

streamer a deployment malfunction in which part of the canopy clings together and fails to unfurl.

suspension lines the cords connected to the harness from the canopy.

terminal velocity the fastest speed a body can reach while dropping through the air, approximately 120 miles per hour, reached about 12 seconds after exiting an airplane, depending on body position.

toggle lines see steering lines.

tracking assuming the best body position for hori­zontal movement.

wind drift indicator a weighted strip of crepe paper, usually about 20 feet long, dropped out of an airplane to determine the amount of drift a jumper can expect during descent.

snowboarding

air a reference to being or getting airborne, often called catching air.

alley-oop a 180° rotation.

backside where the heels are planted on a snowboard. bail

to crash or fall.

boarder cross competition a race in which compet­itors run a gated course composed of various jumps and turns.

bone to ride with one or both legs straightened. bonk to strike a rock or log.

boosting getting up in the air off a jump. caballerial a rotation of 360°. carve to make a turn. catching air boosting.

chatter board vibrations produced at high speeds and through turns, reducing control.

corduroy a surface of finely ridged snow, like cor­duroy pants, created by the grooming of a snowcat.

crater to crash, especially when one leaves a hole in the snow afterward.

crippler air a stunt composed of a 90° rotation, fol­lowed by a flip, and another 90° rotation.

cruise an easy, straightforward run without tricks or stunts.

dampening a method of reducing chatter or vibra­tions by laminating rubber into the board.

double-handed grab a stunt in which the snow­board is grabbed with both hands while in midair.

dragon a machine used to groom half-pipes.

duckfoot a stance in which the toes are pointed outward.

effective edge running the length of the board, the metal edge that comes in contact with the snow.

fakie, ride to ride backward, with the foot that is normally planted in back in the front.

540 air a 540° rotation in which the boarder ends up riding backwards or fakie.

flail to ride wildly out of control, especially with windmilling arms.

flying squirrel air bending at the knees and grab­bing the back of the board with both hands while in midair.

freeriding riding freely downhill without halfpipe stunts or jumps.

freestyle riding halfpipes, and performing stunts and jumps, as opposed to freeriding.

goofy

goofy-footed.

goofy-footed riding a board with the right foot in the front position, as opposed to regular-footed.

half-pipe a U-shaped ramp of snow.

handplant a planting of one or two hands in the snow to facilitate a rotation stunt.

hucker one who hurls him- or herself wildly over jumps and crash-lands.

invert any stunt in which the rider's head is tempo­rarily below the snowboard, as a simple flip.

inverted aerial a stunt in which a boarder turns upside down in midair.

inverted 720 an inverted aerial with a 720° rota­tional flip.

Japan air a stunt in which the front of the board is grabbed and pulled up to the level of the head.

jib to ride a snowboard on a surface other than snow.

kink a bump, notch, or uneven patch of snow in a halfpipe, causing difficulty.

leash a line attaching from the front foot to the board, used to prevent the board from running down the mountain on its own.

lip the top edge of a halfpipe wall.