In December 2000 a tower controller in southern Florida received a single radio transmission:
“Mayday mayday mayday Pitts 260DB in an unrecoverable flat spin at 3,500 feet.”
Unrecoverable Spins
Key Takeaways:
- Multiple acrobatic aircraft accidents resulting in unrecoverable flat spins were consistently attributed to the aircraft being overweight and having an aft center of gravity (CG), rather than mechanical failure.
- An aft CG position critically compromises spin recovery by flattening the spin and diminishing the effectiveness of control surfaces, such as the rudder.
- Strict adherence to an aircraft's weight and balance limits, particularly for acrobatic maneuvers, is paramount, as the safe CG range for spin recovery is significantly narrower than for normal flight operations.
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