# N5539X: Aero Commander S2R, registration cancelled 1992-01-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 23, 1992
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Aero Commander S2R](https://openairdocs.org/model/aero-commander-s2r) (registry code 0143022)
- Serial number: 1739R
- Type of aircraft: Fixed wing single engine
- Certificate issued: October 7, 1987
- Last registry action: March 23, 1991
- Mode S code: A70E39
- Owner when cancelled: [Kelsey Steve W](https://openairdocs.org/faa-owner/KELSEY%20STEVE%20W)
- Location: [Rigby, ID](https://openairdocs.org/faa-place/ID/Rigby)
- Owner type: Individual
- Owner's area on the map: 43.6287° N, 111.8340° W: Placed by OpenAirDocs at the center of ZIP code 83442, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5539X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5539X
- Page: https://openairdocs.org/deregistered/N5539X-1992-01-23

From the FAA registry file of November 3, 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 SEA91LA260](https://openairdocs.org/ntsb/SEA91LA260), Apr 15, 1991: Aero Commander S-2R (N5539X), Grangeville, ID, destroyed, 1 fatal. Probable cause: THE IMPROPER DECISION BY THE PILOT TO CONTINUE VFR FLIGHT IN IMC WEATHER CONDITIONS IN MOUNTAINOUS TERRAIN, RESULTING IN PILOT DISORIENTATION AND INADVERTENT FLIGHT INTO A BOX CANYON. FACTORS…

## 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.

- [Accident 19910414019749A](https://openairdocs.org/incident/19910414019749A), Apr 14, 1991: Ayres S2RNORMAL (N5539X), Grangeville, ID, Damage unknown, 1 fatal. Became missing on ferry flight to Grangeville,ID. Last seen near elk city,ID. Below 800 ft overcast in rain showers
- [Incident 19810606039359I](https://openairdocs.org/incident/19810606039359I), Jun 6, 1981: Ayres S2R (N5539X), Bakersfield, CA, Minor damage. Overturned in plowed field during forced landing due to engine failure.

---
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.
