Cut-away
Encyclopedia
Cut-away is a skydiving term referring to disconnecting the main parachute
Parachute
A parachute is a device used to slow the motion of an object through an atmosphere by creating drag, or in the case of ram-air parachutes, aerodynamic lift. Parachutes are usually made out of light, strong cloth, originally silk, now most commonly nylon...

 from the harness-container in case of a malfunction
Malfunction
A malfunction is when something functions wrongly or does not function at all.Some types of malfunctions are:*Malfunction , malfunction of a parachute*Sexual malfunction, also called "sexual dysfunction"**See also dyspareunia...

 in preparation for opening the reserve parachute. The 3-ring release system
3-ring release system
The 3-ring release system is a parachute component that is widely used by sport skydivers to attach the two risers of a main parachute to the harness that bears the load under the parachute....

 on parachutes allows a rapid cut-away in the event of an emergency.

Cutaway
Cutaway (2000 film)
Cutaway is a 2000 action film about skydiving, directed by Guy Manos and starring Tom Berenger, Stephen Baldwin, Dennis Rodman, Maxine Bahns, Ron Silver, Casper Van Dien, and Thomas Ian Nicholas. The film features numerous aerial stunts and much of the film was shot in Miami. This was Dennis...

is also the title of a 2000
2000 in film
The year 2000 in film involved some significant events.The top grosser worldwide was Mission: Impossible II. Domestically in North America, Gladiator won the Academy Awards for Best Picture and Best Actor ....

 action film
Action film
Action film is a film genre where one or more heroes is thrust into a series of challenges that require physical feats, extended fights and frenetic chases...

 about skydiving.

Modern skydiving harness-containers have two containers; one for the main parachute, and another one for the reserve. These containers are built into a single "backpack", with the reserve container above the main. In case the main parachute malfunctions
Malfunction (parachuting)
A malfunction is a partial or total failure of a parachuting device to operate as intended. Malfunctions may require a skydiver to cut-away his or her main parachute and deploy the reserve parachute.-Pilot chute in tow:...

, it is necessary to jettison the main before deploying the reserve to avoid a main-reserve entanglement. This act of jettisoning the main is called a "cut-away".

Over the years, several different devices have been designed for cutting away the main. Among the most popular were variations of the Capewell release system, until in the 1970s, Bill Booth
Bill Booth
Bill Booth is an engineer, inventor, serious beard aficionado and entrepreneur in the skydiving equipment manufacturing industry. His invention of the 3-ring release safety device greatly enhanced skydiving safety. This device allows the rapid release of the skydiver's main parachute in the event...

 invented the 3-ring release. Variations of the 3-ring release can now be found on practically all sport and military free fall parachutes.

Cutting away with the 3-ring release is done by pulling a handle placed on the main lift web of the harness. In some cases, parts of the malfunctioning main parachute may be tangled with the skydiver, in which case it may be necessary to use a hook knife to more literally cut away the main.
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