Graveyard spiral

In aviation, a graveyard spiral is a dangerous spiral dive entered into accidentally by a pilot who is not trained or not proficient in instrument flight when flying in instrument meteorological conditions (IMC). Other names for this phenomenon include "suicide spiral", "deadly spiral", "death spiral" and "vicious spiral".

单词	Graveyard spiral
释义	Graveyard spiral 英语百科 Graveyard spiral In aviation, a graveyard spiral is a dangerous spiral dive entered into accidentally by a pilot who is not trained or not proficient in instrument flight when flying in instrument meteorological conditions (IMC). Other names for this phenomenon include "suicide spiral", "deadly spiral", "death spiral" and "vicious spiral".
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