# N5643X: 1973 Aero Commander S2R, registration cancelled 2018-01-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 10, 2018
- Status when cancelled: Registration expired, 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: 1843R
- Year built: 1973
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: November 9, 1973
- Certificate issued: May 3, 2010
- Last registry action: January 5, 2012
- Mode S code: A7389D
- Owner when cancelled: [Wateroak Aviation LLC](https://openairdocs.org/faa-owner/WATEROAK%20AVIATION%20LLC)
- Location: [Texarkana, TX](https://openairdocs.org/faa-place/TX/Texarkana)
- Owner type: Corporation
- Owner's area on the map: 33.3718° N, 94.1398° W: Placed by OpenAirDocs at the center of ZIP code 75501, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5643X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5643X
- Page: https://openairdocs.org/deregistered/N5643X-2018-01-10

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 FTW79DPG58](https://openairdocs.org/ntsb/FTW79DPG58), Jun 23, 1979: Snow S-2R (N5643X), Light, AR, destroyed

## FAA accident and incident reports (2)

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.

- [Incident 19870706043729I](https://openairdocs.org/incident/19870706043729I), Jul 6, 1987: Ayres S2RR1340REST (N5643X), Delaplaine, AR, Minor damage. Unable to maintain altitude after power deteriorated. Landed, fire put out. Exhaust clamp bolts were missing.
- [Accident 19790623014339A](https://openairdocs.org/incident/19790623014339A), Jun 23, 1979: Ayres S2R (N5643X), Light, AR, Destroyed. Engine lost power on initial climb out. Hit dike.

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