ASN Wikibase Occurrence # 288873
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| Date: | Monday 5 September 2011 |
| Time: | 17:15 LT |
| Type: |  Piper PA-28-180 |
| Owner/operator: | Private |
| Registration: | N9430J |
| MSN: | 28-3541 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 4324 hours |
| Engine model: | Lycoming O&VO-360 SER |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Buena Vista, Colorado -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Buena Vista-Central Colorado Regional Airport, CO (KAEJ) |
| Buena Vista, CO | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the airplane took off at a little over 60 knots. He stated that, just after liftoff, the airplane was initially sluggish to climb, so he lowered the nose to gain more speed in ground effect (to about 70 knots). The airplane started to gain some altitude, so the pilot continued the departure. He stated that, shortly after clearing the end of the runway, there was a loss of power and climb performance. With trees and houses ahead and insufficient altitude to clear them, the pilot decided to land in a field with deep grass just north of the airport. Upon landing in the field, the nose landing gear collapsed, resulting in substantial damage to the front of the fuselage.
After the accident, the pilot reported that he believed that he may not have leaned the engine enough during run-up, resulting in less than 100 percent available power to climb. He also reported that the spark plugs may have been fouled due to the mixture setting, resulting in the loss of available power immediately after takeoff. The pilot stated that the airplane was loaded to within 65 pounds of its maximum gross weight and with a calculated density altitude of 10,400 feet, the anticipated climb rate of 300 feet per minute required full power as outlined in the Pilot's Operating Handbook. He stated that, if there were not deep grass in the landing field, he could have landed the airplane without incident.
Probable Cause: The airplane's diminished climb performance due to the pilot not leaning the engine mixture enough prior to takeoff in high density altitude conditions and at nearly maximum gross takeoff weight.
Accident investigation:
 |
|
Sources:
NTSB CEN11CA678
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2022 07:09 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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