A high Density Altitude, or operating with a heavy payload causes hovering out of ground effect, hence a normal takeoff is impossible. Under these conditions, a STOL (short takeoff and landing) is necessary in which the pilot manipulates the small amount of excess available power furnished by ground effect to accelerate to sufficient translational velocity where climbing flight can be maintained. This picture shows a maximum performance takeoff that is not using the specially developed method for clearing obstacles.

From Vertiflite, March/April 1975

Coordinated Climb (Arrow Indicates Stand of Trees)

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A high Density Altitude, or operating with a heavy payload causes hovering out of ground effect, hence a normal takeoff is impossible. Under these conditions, a STOL (short takeoff and landing) is necessary in which the pilot manipulates the small amount of excess available power furnished by ground effect to accelerate to sufficient translational velocity where climbing flight can be maintained. This picture shows a maximum performance takeoff that is not using the specially developed method for clearing obstacles.

From Vertiflite, March/April 1975

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Added to Vertiflite Images and categorized in 2 years ago

 

License: Creative Commons Attribution-ShareAlike

 

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