# N73539: 1957 Hiller H-23D, registration cancelled 2012-03-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 27, 2012
- Status when cancelled: Triennial form not returned
- Airframe: [Hiller H-23D](https://openairdocs.org/model/hiller-h-23d) (registry code 4360120)
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10) (OpenAirDocs)
- Serial number: 57-3038
- Year built: 1957
- Type of aircraft: Rotorcraft
- Certificate issued: September 15, 1972
- Last registry action: July 17, 2007
- Mode S code: A9E081
- Owners when cancelled: [Western Michigan University](https://openairdocs.org/faa-owner/WESTERN%20MICHIGAN%20UNIVERSITY), [Dept Of Trans Tech](https://openairdocs.org/faa-owner/DEPT%20OF%20TRANS%20TECH)
- Location: [Kalamazoo, MI](https://openairdocs.org/faa-place/MI/Kalamazoo)
- Owner type: Government
- Owner's area on the map: 42.2645° N, 85.5615° W: Placed by OpenAirDocs at the center of ZIP code 49001, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N73539
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=73539
- Page: https://openairdocs.org/deregistered/N73539-2012-03-27

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 H-23D: https://openairdocs.org/model/hiller-h-23d.md

## Other aircraft with N73539

- [Cancelled 1949-05-10](https://openairdocs.org/deregistered/N73539-1949-05-10): Cessna T-50, S/N 3423. Owner: [Martin George S](https://openairdocs.org/faa-owner/MARTIN%20GEORGE%20S), [Sikeston, MO](https://openairdocs.org/faa-place/MO/Sikeston)

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