ASN Wikibase Occurrence # 265355
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| Date: | Saturday 10 July 2021 |
| Time: | 08:45 LT |
| Type: |  Cessna 421C Golden Eagle II |
| Owner/operator: | Registration Pending |
| Registration: | N66NC |
| MSN: | 421C0519 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 5476 hours |
| Engine model: | Continental GTSIO-520 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Vance Brand Airport (LMO/KLMO), Longmont, CO -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Longmont-Vance Brand Airport, CO (KLMO) |
| Aspen-Pitkin County Airport, CO (ASE/KASE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that he performed the “before starting engine' and “starting engine' checklists and everything was normal before taking off in the twin-engine airplane. He performed an engine runup and then started his takeoff roll. The pilot reported that about halfway down the runway the airplane was not accelerating as fast as it should. He attempted to rotate the airplane; however, “the airplane mushed off the runway.' The airplane settled back onto the runway, then exited the departure end of the runway, where it sustained substantial damage to the wings and fuselage.
The airplane engine monitor data indicated the airplane's engines were operating consistent with each other at takeoff power at the time of the accident.
Density altitude at the time of the accident was 7,170 ft and according to performance charts, there was adequate runway for takeoff. The reason for the loss of performance could not be determined.
Probable Cause: The loss of performance for reasons that could not be determined.
Accident investigation:
 |
|
Sources:
NTSB CEN21LA315
FAA register: https://registry.faa.gov/aircraftinquiry/Search/NNumberResult?nNumberTxt=66NC
https://flightaware.com/live/flight/N66NC
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Jul-2021 21:54 | Geno | Added |
| 11-Jul-2021 22:48 | RobertMB | Updated [Aircraft type, Total occupants, Source, Narrative] |
| 12-Jul-2021 02:22 | RobertMB | Updated [Source] |
| 12-Jul-2021 18:40 | Anon. | Updated [Time, Operator, Source, Category] |
| 12-Jul-2021 21:03 | Captain Adam | Updated [Operator] |
| 13-Jul-2021 07:09 | Anon. | Updated [Operator] |
| 14-Jul-2021 16:28 | Captain Adam | Updated [Operator, Narrative] |
| 21-Jul-2021 07:57 | aaronwk | Updated [Narrative] |
| 22-Jul-2021 19:52 | aaronwk | Updated [Time, Source, Narrative, Category] |
| 21-Sep-2023 12:47 | ASN Update Bot | Updated [[Time, Source, Narrative, Category]] |
| 21-Sep-2023 12:49 | harro | Updated [[[Time, Source, Narrative, Category]]] |
Corrections or additions? ... Edit this accident description
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