# N4187X: 1974 Rockwell International S-2R, registration cancelled 2013-04-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 17, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 1949R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: April 11, 1974
- Certificate issued: October 17, 1983
- Last registry action: August 9, 2001
- Mode S code: A4F53B
- Owners when cancelled: [Henderson Jack](https://openairdocs.org/faa-owner/HENDERSON%20JACK), [Henderson Barbara](https://openairdocs.org/faa-owner/HENDERSON%20BARBARA)
- Location: [Coalinga, CA](https://openairdocs.org/faa-place/CA/Coalinga)
- Owner type: Co-owned
- Owner's area on the map: 36.1820° N, 120.4611° W: Placed by OpenAirDocs at the center of ZIP code 93210, within about 16 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4187X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4187X
- Page: https://openairdocs.org/deregistered/N4187X-2013-04-17

From the FAA registry file of November 5, 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 Rockwell International S-2R: https://openairdocs.org/model/rockwell-international-s-2r.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 LAX83LA146](https://openairdocs.org/ntsb/LAX83LA146), Mar 17, 1983: Rockwell S-2R (N4187X), Corcoran, CA, substantial damage

## 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 19830316010249A](https://openairdocs.org/incident/19830316010249A), Mar 16, 1983: Ayres S2RRESTD (N4187X), Corcoran, CA, Substantial damage. During premature lift off right gear was damaged after hitting levee. Gear collapsed during landing.

---
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.