# N18JS: Sharp J-4, registration cancelled 1989-07-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 15, 1989
- Status when cancelled: Triennial form not returned
- Airframe: [Sharp J-4](https://openairdocs.org/model/sharp-j-4) (registry code 0570105)
- Serial number: 36
- Type of aircraft: Rotorcraft
- Mode S code: A13F2C
- The mark today: https://openairdocs.org/aircraft/N18JS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=18JS
- Page: https://openairdocs.org/deregistered/N18JS-1989-07-15

From the FAA registry file of October 28, 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 Sharp J-4: https://openairdocs.org/model/sharp-j-4.md

## Other aircraft with N18JS

- [Registered now](https://openairdocs.org/aircraft/N18JS): Piper PA 46-350P, S/N 4636702, built 2016
- [Cancelled 2012-08-30](https://openairdocs.org/deregistered/N18JS-2012-08-30): Sharp Jon M SHARP DR90, S/N 1, built 1991. Sale reported, canceled. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

---
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.