ASN Wikibase Occurrence # 75589
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| Date: | Sunday 11 July 2010 |
| Time: | 20:10 |
| Type: |  Cessna 177B Cardinal |
| Owner/operator: | N345MT LLC |
| Registration: | N345MT |
| MSN: | 17702031 |
| Total airframe hrs: | 3439 hours |
| Engine model: | Lycoming O-360 |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near 76th Street North and 177th East Avenue, Owasso, OK -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Goldsby, OK (1K4) |
| Owasso, OK (O38) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot and passengers were on the return leg of a cross-country flight. Witnesses reported seeing the airplane approach the airfield in a left turn before losing altitude in a spin. The airplane impacted the ground in a left-wing and nose-low attitude just north and slightly east of the runway. Two witnesses added that the airplane was quiet as it approached the airport; a third witness thought the airplane’s engine was “cutting in-and-out”.
A postaccident examination revealed that both wing tanks were intact and contained no fuel. The grass area underneath each fuel tank did not indicate fuel contamination or fuelblight. The firewall fuel strainer, which sustained impact damage, was absent debris and fuel. The carburetor received impact damage and two of its front attachment bolts were broken. The carburetor’s fuel bowl drain plug was removed and contained only a few drops of fuel. Inspection of the engine and propeller revealed the absence of power signatures. Examination of the engine and airframe revealed no evidence of a mechanical malfunction prior to the accident.
The accident is consistent with the airplane entering a stall/spin as a result of the pilot allowing the airspeed to decay in an attempt to reach the runway in an engine-out situation.
Probable Cause: The pilot’s failure to maintain adequate airspeed during an engine-out approach to the runway, resulting in an aerodynamic stall and spin. Contributing to the accident was the pilot’s inadequate preflight planning, which resulted in a loss of engine power due to fuel exhaustion.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Jul-2010 06:34 | RobertMB | Added |
| 12-Jul-2010 06:35 | RobertMB | Updated [Time, Aircraft type, Total fatalities, Total occupants, Other fatalities, Destination airport] |
| 12-Jul-2010 08:41 | RobertMB | Updated [Time, Registration, Cn, Operator, Destination airport, Narrative] |
| 12-Jul-2010 21:01 | gwog | Updated [Operator, Destination airport] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 18:01 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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