# N3644X: 1974 Aero Commander S2R, registration cancelled 2012-05-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 18, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Aero Commander S2R](https://openairdocs.org/model/aero-commander-s2r) (registry code 0143022)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 1881R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: January 10, 1974
- Last registry action: April 29, 1991
- Mode S code: A41E22
- Location: [Xxx, OK](https://openairdocs.org/faa-place/OK/Xxx)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N3644X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3644X
- Page: https://openairdocs.org/deregistered/N3644X-2012-05-18

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Aero Commander S2R: https://openairdocs.org/model/aero-commander-s2r.md

## 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 FTW83LA209](https://openairdocs.org/ntsb/FTW83LA209), Apr 19, 1983: Aero Commander S-2R (N3644X), Cheneyville, LA, substantial damage

## 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 19830419016299A](https://openairdocs.org/incident/19830419016299A), Apr 19, 1983: Ayres S2RRESTD (N3644X), Cheneyville, LA, Substantial damage. When brakes were applied during landing roll, aircraft departed runway causing damage on rough terrain.

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