V2

uncountable

(aviation) The airspeed at which an aircraft leaves the runway on takeoff.

Japanese Meaning

（航空）離陸時に、航空機が滑走路を離れるための速度。

The first officer checked that V2 had been reached before the aircraft lifted off.

副操縦士は、機体が離陸する前に離陸安全速度が達していることを確認した。

Sense（1）

(aviation) The airspeed at which an aircraft leaves the runway on takeoff.