ASN Wikibase Occurrence # 198772
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| Date: | Sunday 13 March 2016 |
| Time: | 08:00 |
| Type: |  Cessna 180 |
| Owner/operator: | Private |
| Registration: | N4696B |
| MSN: | 31594 |
| Year of manufacture: | 1955 |
| Total airframe hrs: | 8554 hours |
| Engine model: | Continental O-470-R |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Boulder, UT -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Boulder, UT (NA) |
| Boulder, UT (NA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot reported that, during the takeoff run from the 2,100-ft-long soft, unimproved dirt airstrip, he observed that the propeller rpm was 2,600; he did not observe the manifold pressure reading. The pilot reported that the airplane seemed to accelerate slowly, which he thought was likely due to the soft runway surface or vegetation. About halfway to two-thirds down the runway, as the tail was coming off the ground, the pilot added a notch of flaps as the airplane continued to roll on its main landing gear. As the airplane approached the end of the runway, the pilot pulled back on the control yoke, which increased the angle of attack. The airplane then climbed about 2 ft above the ground before settling into sagebrush off the end of the runway. The airplane subsequently impacted a tree and came to rest upright about 50 yards from the tree.
The pilot stated that he thought the engine might not have been producing full power and that he should have aborted the takeoff at that time. However, a postaccident examination of the airframe and engine, which included two engine test runs, did not reveal any anomalies that would have precluded normal operation. If the pilot had chosen to abort the takeoff when he noted that he airplane was accelerating slowly, the accident likely would have not occurred.
Probable Cause: The pilot's failure to abort the takeoff from the soft runway surface, which precluded optimal acceleration during the takeoff sequence.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 15:07 | ASN Update Bot | Added |
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