Thursday, March 26, 2009

Initial Climb - Soft-Rough-Field Takeoff And Climb

After a positive rate of climb is established, and the airplane has accelerated to VY, retract the landing gear and flaps, if equipped. If departing from an airstrip with wet snow or slush on the takeoff surface, the gear should not be retracted immediately. This allows for any wet snow or slush to be air-dried. In the event an obstacle must be cleared after a soft-field takeoff, the climb-out is performed at VX until the obstacle has been cleared. After reaching this point, the pitch attitude is adjusted to VY and the gear and flaps are retracted. The power may then be reduced to the normal climb setting.

Common errors in the performance of soft/rough field takeoff and climbs are:

Failure to adequately clear the area.

Insufficient back-elevator pressure during initial takeoff roll resulting in inadequate angle of attack.

Failure to cross-check engine instruments for indications of proper operation after applying power.

Poor directional control.

Climbing too steeply after lift-off.

Abrupt and/or excessive elevator control while attempting to level off and accelerate after liftoff.

Allowing the airplane to "mush" or settle resulting in an inadvertent touchdown after lift-off.

Attempting to climb out of ground effect area before attaining sufficient climb speed.

Failure to anticipate an increase in pitch attitude as the airplane climbs out of ground effect.

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