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A Petzl Croll is an ascending device [1] used in caving and industrial rope access made by the French company Petzl. Its name comes from the town Crolles where Petzl's company headquarters are located but might also be a reference to the nearby cave system of the Dent de Crolles , the exploration of which triggered a lot of technical effort ...
ASAP itself provides parts for the legacy Birdman Chinook and Spectrum Beaver aircraft fleets. [8] [9] [20] [21] In 2013 the company was sold to John and Kim Couch, moved to Sealy, Texas and renamed the Aeroplane Manufactory LLC. Initially producing just parts, by May 2016 the company had commenced Chinook Plus 2 kit production. [6] [22]
As of 2001, Petzl had approximately 600 products. [4] Later in 2002, the QUARK ERGO was developed and designed to be the first leashless, angled ice axe. [2] In 2004, Petzl's first fall arrest device for work at height was developed. In 2006, the Petzl corporation introduced new general director Pascal Bonino, and the Petzl Foundation was also ...
Petzl released the Grigri+ in 2017, adding new safety features to the original design. However this made the device heavier and many climbers felt the new safety features (specifically the anti panic handle which stopped the device from lowering when the handle was pulled to far back) got in the way of normal operation when lowering. 2019 saw ...
A gas non-return valve (NV), which: prevents dangerous gas mixtures. ensures the gas only flows in the intended direction. and a flame arrestor (FA), which: cools the flame to below the ignition temperature of the gas or gas mixture. prevents flashback. In addition to these two basic safety functions a flashback arrestor can also have a:
A crack arrestor (otherwise known as a rip-stop doubler) is a structural engineering device. Being typically shaped into ring or strip, and composed of a strong material, it serves to contain stress corrosion cracking or fatigue cracking, helping to prevent the catastrophic failure of a device.
Safety net Safety line. Fall arrest is the form of fall protection which involves the safe stopping of a person already falling. It is one of several forms of fall protection, forms which also include fall guarding (general protection that prevents persons from entering a fall hazard area e.g., guard rails) and fall restraint (personal protection which prevents persons who are in a fall hazard ...
The Aviation Safety Action Program (ASAP) starts with all parties, FAA/Certificate holder/Union, signing a memorandum of understanding (MOU). [4] The time frame for ASAP report submission is limited. Reports are reviewed by the Event Review Committee (ERC) normally composed of the FAA, operator, and union representative.