# Accident 19910507014331A: Mtsbsi MU2B20, Kneifer, OK, May 7, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 7, 1991, 05:10 local time
- Place: Kneifer, OK
- Damage: Destroyed
- Collision: Midair collision, first aircraft
- Phase of flight: Formation Flying
- Operating rules: General operating rules (Part 91)
- Location: 34.1509° N, 96.3994° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.1509&lon=-96.3994&mi=10
- Aircraft: N106MA, a cancelled registration (https://openairdocs.org/deregistered/N106MA-1996-09-03) (OpenAirDocs)
- Registry model: Mitsubishi MU-2B-20 (registry code 5780407, https://openairdocs.org/model/mitsubishi-mu-2b-20) (OpenAirDocs)
- Reported make and model: MTSBSI MU2B20
- Reported engine: GARRTT TPE33111U
- People aboard: 1
- Fatal injuries: 1
- Pilot flight hours: 3,850 total, 1,400 in this make and model, 312 in the last 90 days
- NTSB investigation: [NTSB FTW91FA074](https://openairdocs.org/ntsb/FTW91FA074) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910507014331A

## Narrative

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

STRUCK TAIL OF 310C WHILE CHANGING  POSITION DURING NIGHT FORMATION FLYING. UNREGISTERED 310 TAIL LIGHT INOPERATIVE

## Other aircraft in the event

- N1849H, Cessna 310C: [Accident 19910507014332A](https://openairdocs.org/incident/19910507014332A)

## 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 FTW91FA074](https://openairdocs.org/ntsb/FTW91FA074), May 7, 1991: Mitsubishi MU-2B-20 (N106MA), Kenefic, OK, destroyed, 1 fatal. Probable cause: IMPROPER PLANNING/DECISION BY THE PILOTS OF BOTH AIRCRAFT, AND THE MITSUBISHI PILOT'S MISJUDGMENT OF HIS POSITION, WHILE ATTEMPTING TO FLY FORMATION AT NIGHT WITH AN AIRCRAFT THAT DID NOT HAVE ALL…

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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