# Upton MUSTANG M-II

- Type: Aircraft model (FAA registry)
- Registry code: 1690425
- Manufacturer (registry): UPTON
- Model: MUSTANG M-II
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/upton-mustang-m-ii

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (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.

## FAA accident and incident reports (1)

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.

- [Accident 19931205045959A](https://openairdocs.org/incident/19931205045959A), Dec 5, 1993: Amtrbb MUSTANG2 (N4YP), Guthrie, OK, Destroyed, 1 fatal. Came apart in air no witnesses. Pop rivets not replaced for better type on aileron counterweights per manufacterer.

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Deyoung John MUSTANG MII](https://openairdocs.org/model/deyoung-john-mustang-mii): 1 registered aircraft, registry code 05623EZ
- [Dieter Suhr MUSTANG MII](https://openairdocs.org/model/dieter-suhr-mustang-mii): 1 registered aircraft, registry code 05641NF
- [Harrington Albert A MUSTANG M II](https://openairdocs.org/model/harrington-albert-a-mustang-m-ii): 1 registered aircraft, registry code 1690482
- [Masko MUSTANG M II](https://openairdocs.org/model/masko-mustang-m-ii): 0 registered aircraft, registry code 056279L
- [Dooley James H MUSTANG M II](https://openairdocs.org/model/dooley-james-h-mustang-m-ii): 0 registered aircraft, registry code 1690477

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