# N81RH: Hochgesang Robert A SONERAI-II, registration cancelled 1984-10-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 26, 1984
- Status when cancelled: Administratively canceled
- Airframe: [Hochgesang Robert A SONERAI-II](https://openairdocs.org/model/hochgesang-robert-a-sonerai-ii) (registry code 05659L2)
- Serial number: 738
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 22, 1981
- Last registry action: October 26, 1984
- Mode S code: AB0882
- Owners when cancelled: [Hochgesang Robert A](https://openairdocs.org/faa-owner/HOCHGESANG%20ROBERT%20A), [Producing Se Inc](https://openairdocs.org/faa-owner/PRODUCING%20SE%20INC), [Helmer Directional Drilling Inc](https://openairdocs.org/faa-owner/HELMER%20DIRECTIONAL%20DRILLING%20INC), [Farkas Robert J](https://openairdocs.org/faa-owner/FARKAS%20ROBERT%20J), [Franz Robert H](https://openairdocs.org/faa-owner/FRANZ%20ROBERT%20H)
- Location: [Medinah, IL](https://openairdocs.org/faa-place/IL/Medinah)
- Owner type: Individual
- Owner's area on the map: 41.9753° N, 88.0562° W: Placed by OpenAirDocs at the center of ZIP code 60157, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N81RH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81RH
- Page: https://openairdocs.org/deregistered/N81RH-1984-10-26

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 Hochgesang Robert A SONERAI-II: https://openairdocs.org/model/hochgesang-robert-a-sonerai-ii.md

## Other aircraft with N81RH

- [Registered now](https://openairdocs.org/aircraft/N81RH): Piper PA-31-310, S/N 31-7300909, built 1972
- [Cancelled 2003-09-24](https://openairdocs.org/deregistered/N81RH-2003-09-24): Hetzler Ronald L EASY EAGLE, S/N 001, built 2001. Triennial form not returned. Owner: [Hetzler Ronald L](https://openairdocs.org/faa-owner/HETZLER%20RONALD%20L), [Madison, WI](https://openairdocs.org/faa-place/WI/Madison)

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