What does TAS stand for in aircraft speed terminology?

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Multiple Choice

What does TAS stand for in aircraft speed terminology?

Explanation:
True Air Speed is the speed of the airplane relative to the air around it—the actual velocity through the air mass. The airspeed indicator gives you indicated airspeed based on dynamic pressure, but that value changes with altitude and temperature because air density changes. Correcting for those density effects gives you TAS, which is higher at altitude for the same indicated or calibrated speed. This is important for performance, navigation, and fuel planning, since charts and calculations use true speed rather than the raw instrument reading. Ground speed, by contrast, is TAS adjusted for wind. TAS stands for True Air Speed.

True Air Speed is the speed of the airplane relative to the air around it—the actual velocity through the air mass. The airspeed indicator gives you indicated airspeed based on dynamic pressure, but that value changes with altitude and temperature because air density changes. Correcting for those density effects gives you TAS, which is higher at altitude for the same indicated or calibrated speed. This is important for performance, navigation, and fuel planning, since charts and calculations use true speed rather than the raw instrument reading. Ground speed, by contrast, is TAS adjusted for wind. TAS stands for True Air Speed.

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