# Accident 19960428008739A: Cessna 320, Mammoth Lakes, CA, April 28, 1996

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 28, 1996, 13:45 local time
- Place: Mammoth Lakes, CA
- Airport: Mammoth - June Lakes
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 37.5799° N, 118.8390° 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=-118.8390&mi=10
- Aircraft: N5752X, a cancelled registration (https://openairdocs.org/deregistered/N5752X-2012-09-25) (OpenAirDocs)
- Registry model: Cessna 320 (registry code 2074502, https://openairdocs.org/model/cessna-320) (OpenAirDocs)
- Registry engine: Continental TSI0-470-B (registry code 17029, https://openairdocs.org/engine/continental-tsi0-470-b) (OpenAirDocs)
- Reported make and model: CESSNA 320
- Reported engine: CONT TSIO470B
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 964 total, 20 in the last 90 days
- NTSB investigation: [NTSB LAX96LA180](https://openairdocs.org/ntsb/LAX96LA180) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19960428008739A

## Narrative

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

LOST POWER ON INITIAL CLIMB RIGHT ENGINE. FAILED POWER OFF LEFT ENGINE. BELOW VMC. CRASHED. TURBO WASTE GATE JAMMED

## 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 LAX96LA180](https://openairdocs.org/ntsb/LAX96LA180), Apr 28, 1996: Cessna 320 (N5752X), Mammoth Lakes, CA, substantial damage. Probable cause: the partial failure of the right engine turbocharger wastegate butterfly valve to fully close due to mechanical binding and the low setting of its associated absolute pressure controller. A related…

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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