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A main assisted reserve deployment (MARD) system is a skydiving safety device for parachute systems. While there are many variations, the operation and intended outcome for each is the same: open the reserve parachute container and extract the reserve parachute's deployment bag (and parachute) using the jettisoned main canopy.
A parachute is a device used to slow the motion of an object through an atmosphere by creating drag or aerodynamic lift. A major application is to support people, for recreation or as a safety device for aviators, who can exit from an aircraft at height and descend safely to earth. A parachute is usually made of a light, strong fabric.
The reserve parachute must be periodically inspected and repacked (whether used or not) by a certified parachute rigger (in the US, an FAA certificated parachute rigger every 180 days). Many skydivers use an automatic activation device (AAD) that opens the reserve parachute at a predetermined altitude if it detects that the skydiver is still in ...
Invented in its original large ring form by Bill Booth, [1] and subsequently scaled down for thinner Type 17 webbing risers [2] the three-ring system allows a skydiver to quickly cut-away a malfunctioning main parachute with a single motion. Skydivers usually need to do this quickly during emergencies in which they need to deploy a reserve ...
For example, a reserve parachute must be packed by a certified specialist and be used within a specific number of days, based on its material. That said, federal officials don’t track or license ...
The T-11 harness is designed to displace opening shock forces of the reserve parachute equally along the long axis of the jumper’s body. The main canopy and harness weighs 38 pounds (17 kg), and the reserve assembly 15 pounds (6.8 kg), for a total of 53 pounds (24 kg). The main canopy is 30.6 feet (9.3 m) inflated diameters at the hem.
RSL - Reserve Static Line RSL Shackle, held, and part of RSL shown installed in the container and attached to the main canopy riser RSL ring. A reserve static line, occasionally called a Stevens Lanyard or Stevens Release, is a device that automatically opens the reserve parachute container when the main parachute is cut-away.
However, 14 CFR Part 105, [1] "Parachute Operations" regulates when and where jumps may be made and designates the requirements for parachute equipment and packing. For example, 14 CFR Part 105 (subpart C) requires the person packing either the main chute or the reserve parachute to be a certificated rigger , which means he or she has taken an ...