# N144US: 1985 Black Kefton O RV-4, registration cancelled 2006-01-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 25, 2006
- Exported to: South Africa
- Status when cancelled: Valid registration
- Airframe: [Black Kefton O RV-4](https://openairdocs.org/model/black-kefton-o-rv-4) (registry code 056081W)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 742
- Year built: 1985
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 18, 1986
- Certificate issued: July 25, 2005
- Last registry action: July 25, 2005
- Mode S code: A0B35F
- Owner when cancelled: [Sharman Enterprises Inc](https://openairdocs.org/faa-owner/SHARMAN%20ENTERPRISES%20INC)
- Location: [Vacaville, CA](https://openairdocs.org/faa-place/CA/Vacaville)
- Owner type: Corporation
- Owner's area on the map: 38.4213° N, 122.0316° W: Placed by OpenAirDocs at the center of ZIP code 95688, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N144US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=144US
- Page: https://openairdocs.org/deregistered/N144US-2006-01-25

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 Black Kefton O RV-4: https://openairdocs.org/model/black-kefton-o-rv-4.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 SEA94LA184](https://openairdocs.org/ntsb/SEA94LA184), Jul 17, 1994: Black RV-4 (N144US), Twisp, WA, substantial damage. Probable cause: PROPER DESCENT RATE WAS NOT MAINTAINED DURING APPROACH.

## 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 19940717036959A](https://openairdocs.org/incident/19940717036959A), Jul 17, 1994: Amtr RV4 (N144US), Twisp, WA, Substantial damage. Wing hit fence post on final. Landed hard on runway. Bounced into air. Added power and flew back to base.

---
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.
