# Accident 19931205045959A: Amtrbb MUSTANG2, Guthrie, OK, December 5, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 5, 1993, 10:40 local time
- Place: Guthrie, OK
- Damage: Destroyed
- Phase of flight: Unknown/Not Reported
- Operating rules: General operating rules (Part 91)
- Location: 35.8404° N, 97.4206° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=35.8404&lon=-97.4206&mi=10
- Aircraft: N4YP, a cancelled registration (https://openairdocs.org/deregistered/N4YP-1994-02-23) (OpenAirDocs)
- Registry model: Upton MUSTANG M-II (registry code 1690425, https://openairdocs.org/model/upton-mustang-m-ii) (OpenAirDocs)
- Reported make and model: AMTRBB MUSTANG2
- Reported engine: LYC O360A1A
- People aboard: 1
- Fatal injuries: 1
- Pilot flight hours: 806 total, 269 in this make and model, 34 in the last 90 days
- NTSB investigation: [NTSB FTW94FA044](https://openairdocs.org/ntsb/FTW94FA044) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19931205045959A

## Narrative

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

CAME APART IN AIR NO WITNESSES. POP RIVETS NOT REPLACED FOR BETTER TYPE ON AILERON COUNTERWEIGHTS PER MANUFACTERER.

## 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 FTW94FA044](https://openairdocs.org/ntsb/FTW94FA044), Dec 5, 1993: Upton Mustang M-II (N4YP), Guthrie, OK, destroyed, 1 fatal. Probable cause: WAS THE IN FLIGHT FAILURE OF THE LEFT AILERON FOR REASONS UNDETERMINED.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.