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Crash attenuating seats: Effects on helicopter underwater escape performance

机译:防撞座椅:对直升机水下逃生性能的影响

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Surviving a helicopter ditching at sea involves a number of factors; however, none have as great an influence as impact forces. To minimize this influence, crash attenuating seat systems have recently been integrated into offshore transport helicopters. Unfortunately, no research has investigated the system's effect on underwater egress. This study outlines the first known examination of the crash attenuating seats from the perspective of passenger egress. Results indicate that egressing from an inverted and flooded helicopter requires significantly more time, and is rated as being more difficult when the seat is fully attenuated (stroked). Results also indicate that egress is significantly influenced by environmental conditions and the position of a helicopter simulator. Based on these findings, it is recommended that all offshore personnel be trained to overcome the influence of attenuating seats, environmental conditions, and position of the helicopter during their occupationally required egress training course.
机译:幸存的直升机在海上开沟涉及许多因素。但是,没有任何一种影响力比冲击力大。为了最大程度地减少这种影响,近距离防撞座椅系统已集成到海上运输直升机中。不幸的是,没有研究调查该系统对水下排放的影响。这项研究概述了从乘客出站的角度对防撞座椅进行的首次已知检查。结果表明,从倒置和淹没的直升飞机驶出需要大量的时间,并且在座椅完全衰减(撞击)时被认为更加困难。结果还表明,出口受到环境条件和直升机模拟器位置的显着影响。基于这些发现,建议对所有离岸人员进行培训,以克服其职业所需的出口培训过程中衰减座位,环境条件和直升机位置的影响。

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