An analytical method of ship resonance dynamic stability countering the helicopter with wheel landing gears is provided.

针对轮式起落架直升机，提供了一种“舰面共振”动力稳定性分析方法。

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The Jet Lock is a device that clamps around a plane's landing wheel, completely immobilizing it.

FORBES: The Jet Lock: 'The Club' For Your Plane

Some passengers saw the wheel fall as the plane's landing gear retracted just after take off, but "they did not inform the cabin crew at this point", the report said.

BBC: Flybe plane passengers 'saw wheel fall off'

Before landing, the flight crew were not aware the nose wheel steering system was not working, as the hydraulic fluid level was low.

BBC: NEWS | Europe | Isle of Man | Air crew criticised for fire risk