# N4081K: Huebner Robert D REVOLUTION MINI 500, registration cancelled 1991-08-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 16, 1991
- Status when cancelled: Valid registration
- Airframe: [Huebner Robert D REVOLUTION MINI 500](https://openairdocs.org/model/huebner-robert-d-revolution-mini-500) (registry code 05601L5)
- Serial number: 1
- Type of aircraft: Rotorcraft
- Certificate issued: December 16, 1988
- Last registry action: December 19, 1988
- Mode S code: A4CCDE
- Owner when cancelled: [Tomasello Lawrence](https://openairdocs.org/faa-owner/TOMASELLO%20LAWRENCE)
- Location: [Novato, CA](https://openairdocs.org/faa-place/CA/Novato)
- Owner type: Individual
- Owner's area on the map: 38.0851° N, 122.5483° W: Placed by OpenAirDocs: center of Novato, CA, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4081K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4081K
- Page: https://openairdocs.org/deregistered/N4081K-1991-08-16

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 Huebner Robert D REVOLUTION MINI 500: https://openairdocs.org/model/huebner-robert-d-revolution-mini-500.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 LAX91LA269](https://openairdocs.org/ntsb/LAX91LA269), Jun 23, 1991: Green-Fowler Pazmany PL-1 (N4081K), Wrightwood, CA, destroyed. Probable cause: FATIGUE FRACTURE OF ONE OF THE TWO PROPELLER BLADES CAUSED BY THE PROPELLER MODIFICATION AND THE NON-APPROVED PROPELLER-ENGINE COMBINATION. A FACTOR IN THIS ACCIDENT WAS THE TRANSMISSION WIRES AS AN…

## Other aircraft with N4081K

- [Cancelled 2013-06-07](https://openairdocs.org/deregistered/N4081K-2013-06-07): Call David A PARAGREN II, S/N 002. Registration expired, pending cancellation. Owner: [Call David A](https://openairdocs.org/faa-owner/CALL%20DAVID%20A), [Sparks, NV](https://openairdocs.org/faa-place/NV/Sparks)

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