2013年10月22日星期二

North Face Girl's Denali Jacket BLACK

Reserve parachutes are typically worn on the back above the main parachute, as opposed to the older front-mount assembly, and parachute fabrics today are more North Face Denali Jacket durable. Parachute canopies are usually made of zero-porosity nylon fabric that lasts for thousands of jumps. No parachute is 100-percent reliable. However, most malfunctions result from human error, not mechanical failure. Main parachute malfunctions can usually be traced to improper packing, poor technique at the time of deployment, or inadequate pre-jump inspection.
North Face Girl's Denali Jacket BLACK
These errors make it necessary to carry a reserve as well as a main parachute. The Federal Aviation Administration (FAA) requires that the reserve parachute be inspected and repacked every 180 days (whether it's used or not) by an FAA-certified parachute rigger. In the event of a malfunction, the Elegent Mens North Face Apex Bionic Jacket Grey clearance sale jumper jettisons the main parachute by pulling the cutaway handle. A second handle activates the reserve parachute. The Automatic Activation Device (AAD)

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