# N3669X: 1974 Aero Commander S2R

- Status: Valid registration
- Airframe: [Aero Commander S2R](https://openairdocs.org/model/aero-commander-s2r) (registry code 0143022, 1 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 1893R
- Year built: 1974
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: February 1, 1974
- Certificate issued: June 20, 2013
- Expires: June 30, 2029
- Mode S code: A4263F
- Registered owner: [Hofer Perry L](https://openairdocs.org/faa-owner/HOFER%20PERRY%20L)
- Location: [Doland, SD](https://openairdocs.org/faa-place/SD/Doland)
- Owner type: Individual
- Owner's area on the map: 44.8355° N, 98.0770° W: Placed by OpenAirDocs at the center of ZIP code 57436, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3669X
- Page: https://openairdocs.org/aircraft/N3669X

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Pratt & Whitney R1340 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Aero Commander S2R)

None in force.

### Matched by engine (Pratt & Whitney R1340 series)

None in force.

## Information bulletins (advisory)

None matched.

## 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 MKC84LA231](https://openairdocs.org/ntsb/MKC84LA231), Jul 24, 1984: Aero Commander S2R (N3669X), Garden City, KS, substantial damage

## 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 19980709030669I](https://openairdocs.org/incident/19980709030669I), Jul 9, 1998: Ayres S2R (N3669X), Glyndon, MN. At 1830 CDT on July 9, 1998, deputy sheriff dion bredman, of the clay county sheriffs department, noticed a spray plane come to rest in the middle of a bean…
- [Accident 19840724034599A](https://openairdocs.org/incident/19840724034599A), Jul 24, 1984: Ayres S2RRESTD (N3669X), Garden City, KS, Substantial damage. Crash occurred during emergency landing after engine quit from fuel exhaustion. Pilot did not pre flight fuel.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Aero Commander S2R aircraft: https://openairdocs.org/model/aero-commander-s2r/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

---
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.