# Accident 19920105000149A: Cessna 421C, Mammoth Lakes, CA, January 5, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 5, 1992, 18:55 local time
- Place: Mammoth Lakes, CA
- Damage: Destroyed
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: General operating rules (Part 91)
- Location: 37.5799° N, 118.8401° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.5799&lon=-118.8401&mi=10
- Aircraft: N2654M, a cancelled registration (https://openairdocs.org/deregistered/N2654M-2013-10-25) (OpenAirDocs)
- Registry model: Cessna 421C (registry code 2076016, https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Reported make and model: CESSNA 421C
- Reported engine: CONT GTSIO520L
- People aboard: 4
- Fatal injuries: 4
- NTSB investigation: [NTSB LAX92FA082](https://openairdocs.org/ntsb/LAX92FA082) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920105000149A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

DEPARTED EARLY TO AVOID SNOWSTORM. WHILE OBTAINING IFR CLEARANCE FAILED CLIMB. STRUCK TREES. OFF PROPPER HEADING.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX92FA082](https://openairdocs.org/ntsb/LAX92FA082), Jan 5, 1992: Cessna 421C (N2654M), Mammoth Lakes, CA, destroyed, 4 fatal. Probable cause: THE FAILURE OF THE PILOT TO PLAN AND CONDUCT HIS DEPARTURE FLIGHT TO AVOID HIGH MOUNTAINOUS TERRAIN, DURING WHICH THE PILOT BECAME LOST/DISORIENTED. CONTRIBUTING TO THE ACCIDENT WAS SELF INDUCED…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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