# Accident 19930311004999A: Cessna 421C, Eagle Mountain, CA, March 11, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 11, 1993, 20:20 local time
- Place: Eagle Mountain, CA
- Damage: Destroyed
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Operator: IBUA
- Location: 33.8298° N, 116.2893° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.8298&lon=-116.2893&mi=10
- Aircraft: N2656N, a cancelled registration (https://openairdocs.org/deregistered/N2656N-1993-10-07) (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: 3
- Fatal injuries: 3
- Pilot flight hours: 3,250 total, 500 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB LAX93FA149](https://openairdocs.org/ntsb/LAX93FA149) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930311004999A

## Narrative

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

ELEVATOR HINGE FAILED. ENSUING FLUTTER DESTROYED AND SEPARATED EMPANNEGE. IMPACTED HILLS.POSSIBLE AUTO PILOT DEFECT

## 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 LAX93FA149](https://openairdocs.org/ntsb/LAX93FA149), Mar 12, 1993: Cessna 421C (N2656N), Eagle Mountain, CA, destroyed, 3 fatal. Probable cause: FAILURE OF THE LEFT ELEVATOR FOR UNDETERMINED REASON(S), WHICH RESULTED IN FLUTTER AND FAILURE OF THE EMPENNAGE, AND SUBSEQUENT UNCONTROLLED COLLISION WITH THE TERRAIN.

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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