ASN Wikibase Occurrence # 43993
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| Date: | Monday 9 October 2006 |
| Time: | 15:17 |
| Type: |  Mooney M20F |
| Owner/operator: | Private |
| Registration: | N3447N |
| MSN: | 680056 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 5748 hours |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Brownsville, PA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Training |
| Departure airport: | Monongahela, PA (FWQ) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor and private pilot/owner departed from their home airport, for the purpose of conducting a biennial flight review. Radar data indicated the airplane climbed to an altitude of 3,400 feet mean sea level (msl), and began maneuvering between the altitudes of 3,500 feet to 3,800 feet, at groundspeeds ranging between 109-131 knots. The airplane continued to maneuver, and the speed gradually decreased from 101 knots to 65 knots, as the altitude decreased from 3,700 to 2,800 feet. At some point during the descent, the airplane entered a spin which continued until it impacted the ground. The private pilot had approximately 1,207 hours of total flight experience at the time of the accident. All of his flight time during the previous 6 years was accumulated in the accident airplane. The flight instructor reported over 10,800 hours of total flight experience. Examination of the airplane and engine revealed no preimpact mechanical anomalies. The private pilot experienced a heart attack 3 years prior to the accident, and the FAA issued him Special Issuance Medical Certificates on three occasions preceding the accident. The pilot had developed an intermittent abnormal heart rhythm (atrial fibrillation) approximately 10 months prior to the accident, and began taking a blood thinner (warfarin) to reduce his risk for stroke. The pilot's FAA medical records did not note whether the pilot had any symptoms with the atrial fibrillation or how frequently he experienced it, and information submitted to the FAA by the pilot indicated that he was on an inadequate dose of warfarin to effectively reduce his stroke risk; nonetheless, the FAA most recently authorized Special Issuance of a medical certificate two months prior to the accident.
Probable Cause: A loss of aircraft control, for unknown reasons, while maneuvering.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20061027X01567&key=1
History of this aircraft
Other occurrences involving this aircraft
| 5 December 2021 | C-GDQE | Private | 0 | Duncan Airport (DUQ/CAM3), Duncan, BC |  |
sub |
| Bounced on landing | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 05-Dec-2017 09:26 | ASN Update Bot | Updated [Other fatalities, Destination airport, Source, Narrative] |
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