# Accident 19810906055579A: Mtsbsi MU2B10, Riverton, WY, September 6, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 6, 1981, 08:57 local time
- Place: Riverton, WY
- Damage: Destroyed
- Phase of flight: Climb
- Operating rules: General operating rules (Part 91)
- Location: 43.0263° N, 108.3813° W: Placed by OpenAirDocs: center of Riverton, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0263&lon=-108.3813&mi=10
- Aircraft: N3ED, a cancelled registration (https://openairdocs.org/deregistered/N3ED-2012-09-25) (OpenAirDocs)
- Registry model: Mitsubishi MU-2B-10 (registry code 5780406, https://openairdocs.org/model/mitsubishi-mu-2b-10) (OpenAirDocs)
- Registry engine: AiResearch TPE331 series (registry code 01514, https://openairdocs.org/engine/airesearch-tpe331-series) (OpenAirDocs)
- Reported make and model: MTSBSI MU2B10
- Reported engine: ARSRCH TPE33125AA
- People aboard: 4
- Fatal injuries: 4
- Pilot flight hours: 1,500 total, 15 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB DEN81AA064](https://openairdocs.org/ntsb/DEN81AA064) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19810906055579A

## Narrative

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

NEAR VERTICAL IMPACT FROM A 9000 FOOT DIVE. ICING IN AREA. AIRCRAFT DEICING SYSTEM INOPERATIVE AT DEPARTURE.

## 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 DEN81AA064](https://openairdocs.org/ntsb/DEN81AA064), Sep 6, 1981: Mitsubishi MU-2B (N3ED), Riverton, WY, destroyed, 5 fatal

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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