# N99575: Hiller OH-23G, registration cancelled 2018-01-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 17, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hiller OH-23G](https://openairdocs.org/model/hiller-oh-23g) (registry code 4360121)
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11) (OpenAirDocs)
- Serial number: 63-12859
- Type of aircraft: Rotorcraft
- Airworthiness: Multiple
- Airworthiness date: April 6, 1977
- Certificate issued: February 5, 1979
- Last registry action: December 15, 2009
- Mode S code: ADE8A1
- Owner when cancelled: [Gillette Jack J](https://openairdocs.org/faa-owner/GILLETTE%20JACK%20J)
- Location: [Mesa, WA](https://openairdocs.org/faa-place/WA/Mesa)
- Owner type: Individual
- Owner's area on the map: 46.5967° N, 119.1647° W: Placed by OpenAirDocs at the center of ZIP code 99343, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N99575
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99575
- Page: https://openairdocs.org/deregistered/N99575-2018-01-17

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-23G: https://openairdocs.org/model/hiller-oh-23g.md

## NTSB investigations (2)

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 SEA81FYM25](https://openairdocs.org/ntsb/SEA81FYM25), May 29, 1981: Hiller Acft UH-12E (N99575), Milton-Freewtr, OR, substantial damage
- [NTSB SEA78DYP44](https://openairdocs.org/ntsb/SEA78DYP44), Jul 21, 1978: Hiller Acft UH-12E (N99575), Mesa, WA, substantial damage

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19810529035939A](https://openairdocs.org/incident/19810529035939A), May 29, 1981: Hiller UH12E (N99575), Milton-Freewate, OR, Substantial damage. Helicopter crashed during attempted emergency landing after engine failure.
- [Accident 19780721031029A](https://openairdocs.org/incident/19780721031029A), Jul 21, 1978: Hiller OH23G (N99575), Mesa, WA, Substantial damage. Dirt in refueling tanks. T/r severed tail boom.

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