Last Updated：2025/11/26

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(aviation, military) Pertaining to the ejection of the occupant of an aircraft from a grounded stationary position (i.e. zero altitude and zero airspeed).

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zero-zero

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Source Word

zero-zero

Adjective

not-comparable

Japanese Meaning

航空・軍事の文脈で、航空機が地上に停車している状態（すなわち高度0、速度0）から乗員を排出する、またはそれに関する技術・手法を指す。

What is this buttons?

The ground crew verified the aircraft's zero-zero ejection system during preflight checks.

Google Translation / DeepL Translation

整備員は離陸前点検で、機体の地上（高度ゼロ・対気速度ゼロ）での脱出に対応した射出システムを確認した。

Details

Sense（1）

Test vehicles used during this extensive programme were a launching stand for the zero-zero ejections...

Google Translation / DeepL Translation

Details

Sense（2）

(aviation) Pertaining to weather conditions of zero ceiling and zero visibility (i.e., opaque cloud all the way down to ground level), or to aircraft operations in such conditions.

Category IIIc ILS would enable landings in true zero-zero conditions (where the pilots can see nothing, not even the surface of the runway they're on), but the problem of blind taxiing - a necessary capability in order to make use of ILS-IIIc - remains unsolved.

Google Translation / DeepL Translation