Wednesday, February 18, 2009

Spin Procedures

The flight instructor should demonstrate spins in those
airplanes that are approved for spins. Special spin
procedures or techniques required for a particular
airplane are not presented here. Before beginning any
spin operations, the following items should be

  • The airplane's AFM/POH limitations section,
    placards, or type certification data, to determine if
    the airplane is approved for spins.

  • Weight and balance limitations.

  • Recommended entry and recovery procedures.

  • The requirements for parachutes. It would be
    appropriate to review a current Title 14 of the
    Code of Federal Regulations (14 CFR) part 91 for
    the latest parachute requirements.

A thorough airplane preflight should be accomplished
with special emphasis on excess or loose items that
may affect the weight, center of gravity, and controllability of the airplane. Slack or loose control cables
(particularly rudder and elevator) could prevent full
anti-spin control deflections and delay or preclude
recovery in some airplanes.

Prior to beginning spin training, the flight area, above
and below the airplane, must be clear of other air
traffic. This may be accomplished while slowing the
airplane for the spin entry. All spin training should be
initiated at an altitude high enough for a completed
recovery at or above 1,500 feet AGL.

It may be appropriate to introduce spin training by first
practicing both power-on and power-off stalls, in a
clean configuration. This practice would be used to
familiarize the student with the airplane's specific stall
and recovery characteristics. Care should be taken with
the handling of the power (throttle) in entries and
during spins. Carburetor heat should be applied
according to the manufacturer's recommendations.

There are four phases of a spin: entry, incipient,
developed, and recovery. Spin entry and recovery.

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