ASN Wikibase Occurrence # 268399
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| Date: | Thursday 7 October 2021 |
| Time: | 05:54 LT |
| Type: |  Piper PA-24-180 Comanche |
| Owner/operator: | Private |
| Registration: | N5585P |
| MSN: | 24-649 |
| Year of manufacture: | 1958 |
| Engine model: | Lycoming O-360-A1A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fort Collins/Loveland-Northern Colorado Regional Airport, CO (FNL/KFNL -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Fort Collins/Loveland-Northern Colorado Regional Airport, CO (FNL/KFNL) |
| Casper/Natrona County International Airport, WY (CPR/KCPR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot stated the airplane accelerated slowly during the takeoff roll and did not climb normally during the initial takeoff. The pilot reported the engine oversped and he heard a loud noise that came from the engine during the takeoff climb. A review of flight data showed the takeoff roll was about 1,300 ft longer than normal and immediately after takeoff, the airplane decelerated about 10 knots. The pilot executed a forced landing on a road and the airplane struck a pole, which substantially damaged the left wing.
Postaccident examination revealed no evidence of a mechanical failure or malfunction that would have precluded normal operation. No reason for the reported overspeed or noise heard by the pilot was discovered during the postaccident examination.
The pilot reported the engine “ran a little rough' when the carburetor heat lever was pulled out for a few seconds during the engine run-up. The weather conditions at the time of the accident were conducive to serious carburetor icing at cruise power. The pilot recalled setting the mixture lever “about a finger width' toward the lean position during the takeoff.
The airplane's extended takeoff roll and deceleration after liftoff were consistent with degraded engine power, which was most likely due to carburetor icing and/or a lean mixture setting. Following the accident, the pilot stated that he should have aborted the takeoff due to the airplane's slow acceleration.
Probable Cause: The pilot's failure to recognize the degraded engine power and abort the takeoff in a timely manner.
Accident investigation:
 |
|
Sources:
NTSB CEN22LA010
FAA register: FAA register: https://registry.faa.gov/aircraftinquiry/Search/NNumberResult?nNumberTxt=5585P
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Oct-2021 15:32 | Geno | Added |
| 07-Oct-2021 16:24 | RobertMB | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Nature, Departure airport, Source, Narrative] |
| 07-Oct-2021 17:25 | Captain Adam | Updated [Location, Narrative] |
| 07-Oct-2021 18:13 | RobertMB | Updated [Location, Narrative] |
| 07-Oct-2021 19:06 | Captain Adam | Updated [Location, Narrative] |
| 07-Oct-2021 21:13 | RobertMB | Updated [Location, Narrative] |
| 08-Oct-2021 17:09 | johnwg | Updated [Time, Phase, Source, Narrative, Category] |
Corrections or additions? ... Edit this accident description
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