# Accident 19880817034099A: Cessna 402B, Mt Torbert, AK, August 17, 1988

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 17, 1988, 20:03 local time
- Place: Mt Torbert, AK
- Damage: Substantial damage
- Phase of flight: Unauth Low Level Opns
- Operating rules: Air taxi and commuter (Part 135)
- Operator: EMSA
- Aircraft: N5718M, a cancelled registration (https://openairdocs.org/deregistered/N5718M-2013-04-23) (OpenAirDocs)
- Registry model: Cessna 402B (registry code 207590P, https://openairdocs.org/model/cessna-402b) (OpenAirDocs)
- Registry engine: Continental TSIO-520 series (registry code 17040, https://openairdocs.org/engine/continental-tsio-520-series) (OpenAirDocs)
- Reported make and model: CESSNA 402B
- Reported engine: CONT TSIO520E
- People aboard: 2
- Fatal injuries: 2
- Pilot flight hours: 3,452 total, 1,248 in this make and model, 202 in the last 90 days
- NTSB investigation: [NTSB ANC88FA111](https://openairdocs.org/ntsb/ANC88FA111) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19880817034099A

## Narrative

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

FLEW INTO SNOW COVERED SIDE OF A MOUNTAIN. WAS OPERATING VFR UNDER AN OVERCAST THAT MAY HAVE BLENDED WITH SNOW AREA

## 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 ANC88FA111](https://openairdocs.org/ntsb/ANC88FA111), Aug 18, 1988: Cessna 402B (N5718M), Mt. Torbet, AK, substantial damage, 2 fatal

## Other reports on N5718M (3)

Matched to the same aircraft by N-number and date.

- [Incident 19871026073559I](https://openairdocs.org/incident/19871026073559I), Oct 26, 1987: Cessna 402B (N5718M), Cordova, AK, Substantial damage. Left main landing gear collapsed on landing. Shaft which holds lower arm of main gear failed. Incorrect part used.
- [Accident 19820609071089A](https://openairdocs.org/incident/19820609071089A), Jun 9, 1982: Cessna 402B (N5718M), Grayling, AK, Substantial damage. Left main landing gear collapsed on landing roll. Bell crank assembly failed from overstress. Time stress unknown.
- [Accident 19750228004429A](https://openairdocs.org/incident/19750228004429A), Feb 28, 1975: Cessna 402B (N5718M), Barrow, AK, Substantial damage. Un locate gci site,low lvl flt. Dscnd into tundra while looking at map.

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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