Hiller OH-23G
N99579 is a Hiller OH-23G, a rotorcraft with a piston engine (a helicopter or multicopter). It has 4 seats. It is registered to an individual in Geyser, Montana. The FAA lists the registration as "sale reported, pending cancellation". No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.
Aircraft
- Maker
- Hiller
- Model
- OH-23G · all OH-23Gs and related versions
- Serial number
- 64-15224
- Type
- Rotorcraft
- Power
- Piston (reciprocating), 1 motor
- Seats
- 4
- Year built
- Not given
- Cruising speed
- 79 mph
- Transponder code
- ADE8A5 (octal 53364245)
Registration
- Status
- Sale reported, pending cancellation
- Certificate issued
- —
- Expires
- —
- Last FAA action
- March 13, 2026
- Airworthiness
- None on file
- FAA region
- Northwest Mountain
- FAA record id
- 01072834
Owner as the FAA publishes it
- Name
- Sale Reported
- Type
- Individual
- Address
- 3097 Upper Highwood Creek Rd
Geyser, MT 59447-9025
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Records check free · 3 to understand · 2 clear
The public federal record on N99579, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Registration status is "Sale reported, pending cancellation". An aircraft cannot be operated on an invalid or expired registration; resolve this with the FAA before any transaction. [1]
No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate. [1]
No earlier tail number is recorded against serial 64-15224 for this model in the deregistered file. [2]
No other airframe has carried N99579 according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
1 NTSB record under N99579: Accident on June 23, 2011 at Hanford, CA: no injuries, substantial damage. Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Hiller UH12E · operated under 091
The separation of the tail rotor drive gear shaft due to torsional fatigue of its threaded portion, which resulted in a loss of tail rotor control.
Search the NTSB's CAROL system for WPR11LA282 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data