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AADs

This category is for use by Skydiving Parachute AADs, it displays all currently manufactured AADs available on the market. From manufacturers such as Cypress and Vigil.

Cypres – The brilliance of the CYPRES is in its simplicity. As skydivers enjoy a day of jumping, the device innocuously does real-time calculations of the jumper’s altitude and rate of descent by way of measuring barometric pressure. If a set of predetermined thresholds are exceeded, CYPRES recognizes there is a problem, cuts the reserve loop deploying the reserve parachute. It sounds simple, but the technicality that goes into such a small device is an amazing feat of engineering.

Vigil -Once the door opens and you leave the plane, the Vigil® will calculate the time left over before reaching the activation altitude (for example: 1100 ft in PRO mode), by continuously measuring your falling speed and your altitude. The Vigil® takes in consideration the speed variation during the free fall and recalculates every 1/8 of a second the time left to reach the activation altitude. When you reach the activation altitude (time = 0) and if you are still falling at a speed above the preset value (for example:35m/sec in PRO mode), the Vigil® will  instantaneously activate the cutter to allow your reserve parachute to deploy. This patented method ensures a very accurate activation altitude (+/- 60 feet).

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