Cypres

CYPRES is an acronym for Cybernetic Parachute Release System. It refers to a specific make and model of an automatic activation device (AAD), a device that automatically activates a parachute (typically as a reserve system for a skydiver) under certain circumstances. A CYPRES is designed to activate the reserve parachute at a preset altitude if the rate of descent is over a certain threshold. The manufacturer of the CYPRES is Airtec.

This page is about the Automatic Activation Device for parachutes. For the tree family, see Cupressaceae. For the Mediterranean island, see Cyprus. For the law doctrine, see Cy-près doctrine.
CYPRES 2 Student panel

The CYPRES works by using a cutter to cut the reserve container closing loop. A spring-loaded pilot chute then leaves the container and breaks through the skydiver's slipstream to begin reserve deployment.[1]

The CYPRES comes in five different models: Expert, Student, Tandem, Speed and Wingsuit. The basic operation of the units is the same; only the activation parameters are different, having been optimized for different types of skydiving.

References
  1. "United States Parachute Association" by USPA


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