ASN Wikibase Occurrence # 43685
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| Date: | Saturday 8 September 2007 |
| Time: | 10:30 |
| Type: |  Cessna 172M |
| Owner/operator: | Twin Cities Air Services LLC |
| Registration: | N19952 |
| MSN: | 17260882 |
| Year of manufacture: | 1972 |
| Total airframe hrs: | 4952 hours |
| Fatalities: | Fatalities: 2 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mansfield, MA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Mansfield, MA (1B9) |
| Mansfield, MA (1B9) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A review of a video recording of the accident showed the airplane wavering during climb out, in a nose-high attitude, and beginning a turn to the left. The airplane reached an approximate altitude of 100 feet before increasing the turn to approximately 60 degrees. The airplane then appears to pitch nose down to a sharp roll to the left and impacts the ground. The National Transportation Safety Board's Vehicle Recorder Division Audio Laboratory conducted a sound spectrum study on video recording, which revealed that the fixed pitch propeller was spinning at approximately 2,340 RPM. During examination of wreckage it was discovered that the flaps were deployed at 10 degrees, and the airplane was about 64 lbs over the gross weight limit. The pilot's miscalculation of the gross weight limit would have resulted in a higher stall speed.
Probable Cause: The pilot's improper use of wing flaps during takeoff, which resulted in reduced climb performance and a subsequent stall. Contributing to the accident was the exceedance of the airplane's maximum gross weight.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20070917X01402&key=1
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] |
| 04-Dec-2017 18:52 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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