ASN Wikibase Occurrence # 36120
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| Date: | Sunday 2 May 1999 |
| Time: | 17:40 LT |
| Type: | Stock S-1S |
| Owner/operator: | Kathleen Jaffe |
| Registration: | N29GS |
| MSN: | 001 |
| Total airframe hrs: | 701 hours |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Westtown, NY -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Montgomery, NY |
| Lincoln Park, NJ (N07 | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While practicing her sportsman competition sequence, the pilot deliberately entered a spin to the left. According to a witness, the pilot had been having trouble with her spin entries in the past, and that this entry was the cleanest he'd seen her perform. After 1 1/4 turns, the airplane's rotation slowed, but approximately two turns later, the rotation accelerated, and the airplane transitioned to an inverted spin. The pilot radioed that she could not recover from the spin and was advised to left go of the controls. Fifty feet prior to impact, the descent rate, and rate of rotation of the airplane slowed. Also, the nose of the airplane was recovering from a vertical down position. The day of the accident, the pilot purchased 12 pounds of weight to be installed on her airplane to move the center of gravity aft. According to the FAA's Flight Training Handbook, 'The recovery from a stall in any airplane becomes progressively more difficult as its center of gravity moves aft. This is particularly important in spin recovery....'
Probable Cause: The pilot's inability to recover from an intentional stall spin maneuver. A factor in the accident was the change in the airplane's center of gravity which made the airplane more difficult to recover from a spin.
Accident investigation:
 |
|
Sources:
NTSB NYC99FA100
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 15:13 | ASN Update Bot | Updated [Source, Narrative] |
| 08-Apr-2024 06:18 | ASN Update Bot | Updated [Time, Aircraft type, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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