N99579 is a Hiller OH-23G (rotorcraft) with serial number 64-15224, registered in Geyser, MT. It is one of 4 OH-23G aircraft in the FAA registry, 1 of them registered in Montana.
FAA status: Sale reported - pending cancellation. There is no expiration date on this record.
Registration
- FAA status
- Sale reported - pending cancellation
- Registrant type
- Individual
- Registered owner
- Individual owner, name not shown
- Location
- Geyser, MT
- Local FAA office (FSDO)
- Helena FSDO (HLN FSDO) · (406) 441-5240
- Last FAA action
- Mar 13, 2026
- Mode S code (hex)
- ADE8A5
- Mode S code (octal)
- 53364245
- Official record
- registry.faa.gov
Aircraft
- Manufacturer
- HILLER
- Model
- OH-23G
- Serial number
- 64-15224
- Aircraft type
- Rotorcraft
- Engine type
- Reciprocating
- Engines / seats
- 1 / 4
- Weight class
- Up to 12,499 lb
Public airports near Geyser
| Airport | ID | Distance | Tower | Fuel |
|---|---|---|---|---|
| Stanford/Biggerstaff Field Stanford, MT | S64 | 15 mi | Non-towered | - |
| Geraldine Geraldine, MT | 5U8 | 25 mi | Non-towered | - |
| Denton Denton, MT | 5U0 | 26 mi | Non-towered | - |
Straight-line distance from the registration city, from the FAA airport directory (NASR). The registry does not say where an aircraft is based.
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Jun 23, 2011 | Hanford, CA | Hiller UH12E other aircraft | Substantial | None | WPR11LA282 |
From the NTSB aviation accident database (events since 2008, data through Oct 28, 2026), matched by N-number. An N-number can move between aircraft, so each row is checked against the serial number on the current registration.