ASN Wikibase Occurrence # 356709
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| Date: | Wednesday 11 September 1996 |
| Time: | 12:37 LT |
| Type: |  Cessna 177RG |
| Owner/operator: | Peterson Afb Aero Club |
| Registration: | N2797V |
| MSN: | 177RG0697 |
| Total airframe hrs: | 6387 hours |
| Engine model: | Lycoming IO-360-A1B6D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Colorado Sprngs, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | (KCOS) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A factory overhauled engine had been installed in the airplane and the pilot took off on a maintenance test flight. Eleven minutes later, the pilot reported a 'runaway prop.' The engine seized shortly thereafter. The pilot attempted to return to the airport, but was too far away. He selected a soccer field on which to make a forced landing, but misjudged his airspeed and altitude and overshot. The pilot landed on a street and collided with two vehicles. Removal of the propeller governor disclosed maintenance personnel had failed to install one of two required gaskets and a governor pad as required by Textron Lycoming Service Instruction No. 1438, dated July 9, 1987. This allowed engine oil to be depleted.
Probable Cause: The improper installation of the propeller governor by company maintenance personnel, resulting in the total loss of oil and engine seizure. Factors were the pilot's misjudgment of altitude and airspeed, causing him to make a forced landing on unsuitable terrain and collide with a tree and motor vehicles.
Accident investigation:
 |
|
Sources:
NTSB FTW96LA384
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 10:04 | ASN Update Bot | Added |
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