# N3660X: 1974 Aero Commander S2R, registration cancelled 2012-10-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 9, 2012
- 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: 1889R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: January 24, 1974
- Certificate issued: May 10, 2007
- Last registry action: April 20, 2010
- Mode S code: A42504
- Owner when cancelled: [Alj Engines Supply Inc](https://openairdocs.org/faa-owner/ALJ%20ENGINES%20SUPPLY%20INC)
- Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- Owner type: Corporation
- Owner's area on the map: 25.6544° N, 80.4122° W: Placed by OpenAirDocs at the center of ZIP code 33186, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3660X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3660X
- Page: https://openairdocs.org/deregistered/N3660X-2012-10-09

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 MKC88DPG02](https://openairdocs.org/ntsb/MKC88DPG02), Jul 30, 1988: Rockwell S2R-600 (N3660X), Almyra, AR, destroyed, 2 fatal

## 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 19880729053462A](https://openairdocs.org/incident/19880729053462A), Jul 29, 1988: Ayres S2RRESTD (N3660X), Almyra, AR, Destroyed, 1 fatal. Was struck by other spray plane,N1671S,that climbed under the aircraft and cut off its tail. Both aircraft destroyed

---
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.