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Rate Turn — Bank Angle and Radius calculator

True Air Speed: kts
Turn Rate:
 
Bank Angle: °
Load factor: G
Turn Radius (ft): ft
Turn Radius (NM): NM


Rate of Turn calculator

True Airspeed: kts
Bank Angle: °
 
Rate of Turn: °/sec
Turn Radius: ft

How Bank Angle and Turn Radius for Rate turns is computed


Turn Radius (R) is a function of the Bank Angle and is proportional to the square of the True Air Speed (TAS). That is, when the True Air Speed doubles, the Turn Radius is four times greater, and when the True Air Speed is tripled, the turn radius becomes 9 times greater, etc.

The Bank Angle required for such a turn can be calculated by solving for Bank Angle i.e. re-arranging the equation given above.

A standard rate turn or Rate 1 turn is 3°/sec (180°/min) and allows for a reversal of course within 1 minute. A Rate 2 turn is 6°/sec, 360°/min) and allows a full 360 orbit in 1 minute. A Rate 1-half turn is that that of a Rate 1 turn at 1.5°/sec (90°/min) and is a turn through 90 degrees in one minute.

How Turn Radius is computed


Rate of Turn (ω) is defined as degrees of heading change per second. The Bank Angle (θ) used in the turn is directly proportional to True Air Speed (TAS).


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