# N1734S: 1970 Aero Commander S2R, registration cancelled 2009-08-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 5, 2009
- Status when cancelled: Valid registration
- 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: 1437R
- Year built: 1970
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: May 4, 1970
- Certificate issued: June 30, 2009
- Last registry action: June 30, 2009
- Mode S code: A12747
- Owner when cancelled: [Ousley Frank A S](https://openairdocs.org/faa-owner/OUSLEY%20FRANK%20A%20S)
- Location: [Morrison, IL](https://openairdocs.org/faa-place/IL/Morrison)
- Owner type: Individual
- Owner's area on the map: 41.8342° N, 89.9518° W: Placed by OpenAirDocs at the center of ZIP code 61270, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1734S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1734S
- Page: https://openairdocs.org/deregistered/N1734S-2009-08-05

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 CEN09LA355](https://openairdocs.org/ntsb/CEN09LA355), Jun 12, 2009: Aero Commander S2R (N1734S), Cordova, IL, destroyed, 1 fatal. Probable cause: The pilot’s failure to maintain clearance with terrain after clearing an obstacle during an agricultural application pass.

## 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.

- [Incident 19940706029779I](https://openairdocs.org/incident/19940706029779I), Jul 6, 1994: Ayres S2RRESTD (N1734S), Park Rapids, MN, Minor damage. Landing gear collapsed on taxi to takeoff. Fuselage attach fitting failed.

## Other aircraft with N1734S

- [Registered now](https://openairdocs.org/aircraft/N1734S): Textron 172S, S/N 172S12285, built 2019

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