# N31815: Hiller OH-23B, registration cancelled 1981-02-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 23, 1981
- Status when cancelled: Valid registration
- Airframe: [Hiller OH-23B](https://openairdocs.org/model/hiller-oh-23b) (registry code 4360109)
- Data sheets: [TCDS 6H2](https://openairdocs.org/tcds/6H2) (OpenAirDocs)
- Serial number: 54-2925
- Type of aircraft: Rotorcraft
- Certificate issued: June 29, 1972
- Mode S code: A36722
- Owner when cancelled: [Linn Technical College](https://openairdocs.org/faa-owner/LINN%20TECHNICAL%20COLLEGE)
- Location: [Linn, MO](https://openairdocs.org/faa-place/MO/Linn)
- Owner type: Government
- Owner's area on the map: 38.4625° N, 91.7980° W: Placed by OpenAirDocs at the center of ZIP code 65051, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N31815
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31815
- Page: https://openairdocs.org/deregistered/N31815-1981-02-23

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 Hiller OH-23B: https://openairdocs.org/model/hiller-oh-23b.md

## Other aircraft with N31815

- [Registered now](https://openairdocs.org/aircraft/N31815): American Legend AL3, S/N AL-1071, built 2006

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