# N4623M: 1986 Weatherly 620, registration cancelled 2017-10-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 6, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Weatherly 620](https://openairdocs.org/model/weatherly-620) (registry code 9630602)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS A26WE](https://openairdocs.org/tcds/A26WE) (OpenAirDocs)
- Serial number: 1520
- Year built: 1986
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: January 8, 1987
- Certificate issued: April 29, 1988
- Last registry action: March 22, 2011
- Mode S code: A5A3D6
- Owners when cancelled: [Linnebur Gene L](https://openairdocs.org/faa-owner/LINNEBUR%20GENE%20L), [Linnebur Shirley M](https://openairdocs.org/faa-owner/LINNEBUR%20SHIRLEY%20M)
- Location: [Byers, CO](https://openairdocs.org/faa-place/CO/Byers)
- Owner type: Co-owned
- Owner's area on the map: 39.7912° N, 104.0938° W: Placed by OpenAirDocs at the center of ZIP code 80103, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4623M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4623M
- Page: https://openairdocs.org/deregistered/N4623M-2017-10-06

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 Weatherly 620: https://openairdocs.org/model/weatherly-620.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 CEN13LA561](https://openairdocs.org/ntsb/CEN13LA561), Sep 25, 2013: Weatherly 620 (N4623M), Ulysses, KS, destroyed. Probable cause: An in-flight fire and subsequent loss of engine power for reasons that could not be determined due to extensive fire damage to the airplane and its fuel and electrical systems.

## 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 20130925025679A](https://openairdocs.org/incident/20130925025679A), Sep 25, 2013: Weatherly 620 (N4623M), Ulysses, KS, Destroyed. This aircraft just had an overhauled engine installed at northstar aviation in Ulysses Kansas. The aircraft originally was flown from eads Colorado to Ulysses…

## Other aircraft with N4623M

- [Cancelled 1979-10-25](https://openairdocs.org/deregistered/N4623M-1979-10-25): Beech 95-B55, S/N TC-2135, built 1978. Exported to Australia. Owner: [Beechcraft West](https://openairdocs.org/faa-owner/BEECHCRAFT%20WEST), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno)

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