# N68478: 2008 Knowlton Kenneth W HELICYCLE

- Status: Valid registration
- Airframe: [Knowlton Kenneth W HELICYCLE](https://openairdocs.org/model/knowlton-kenneth-w-helicycle) (registry code 05623UU, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 04-010
- Year built: 2008
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Kit: Eagle R & D Co LLC HELICYCLE
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 22, 2008
- Certificate issued: April 19, 2018
- Expires: April 30, 2028
- Mode S code: A91581
- Registered owner: [Swan John H](https://openairdocs.org/faa-owner/SWAN%20JOHN%20H)
- Location: [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage)
- Owner type: Individual
- Owner's area on the map: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=68478
- Page: https://openairdocs.org/aircraft/N68478

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Knowlton Kenneth W HELICYCLE)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N68478.

## FAA accident and incident reports

None matched to N68478.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N68478

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N68478 before.

- [Cancelled 1994-02-03](https://openairdocs.org/deregistered/N68478-1994-02-03): Cessna 425, S/N 4250091. Exported to Mexico. Owner: [Franco Gloria](https://openairdocs.org/faa-owner/FRANCO%20GLORIA), [San Benito, TX](https://openairdocs.org/faa-place/TX/San%20Benito)
- [Cancelled 1971-02-02](https://openairdocs.org/deregistered/N68478-1971-02-02): Cessna T-50, S/N 4680. Owner: [Gray Claude L Jr](https://openairdocs.org/faa-owner/GRAY%20CLAUDE%20L%20JR), [Northridge, CA](https://openairdocs.org/faa-place/CA/Northridge)

## Related

- Other Knowlton Kenneth W HELICYCLE aircraft: https://openairdocs.org/model/knowlton-kenneth-w-helicycle/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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