Piston helicopter

N99579

Hiller OH-23G

Not current (FAA status 17) 1 NTSB/FAA record
Built
—
Serial
64-15224
Class
Piston helicopter
Engines
1
Status
Not current (FAA status 17)
Registered owner
Individual · sign in to see
Based
Geyser, MT
What's N99579 worth? Track flights
Registration record

N99579 on the FAA register

Type
Hiller OH-23G
Serial
64-15224
Engines
1
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Geyser, MT
Certificate issued
—
Airworthiness date
—
Registration expires
—
Airworthiness class
—
Mode S (hex)
ADE8A5
Mode S (octal)
53364245
Seats (type)
4
Weight class
up to 12,499 lb
Status
Not current (FAA status 17)
Registry history

Timeline

  • 2011-06-23
    Accident at Hanford, CA; damage: substantial.
Overview

About N99579

N99579 is a Hiller OH-23G, serial number 64-15224. It is registered to an individual in Geyser, Montana.

The FAA aircraft reference file describes the type as a piston helicopter and 4 seats.

N99579 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2011-06-23 Accident · Hanford, CA Damage: Substantial NTSB · WPR11LA282
Reported aircraft: Hiller UH12E
Probable cause: 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.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

Same model

More Hiller OH-23G aircraft

N62409
1962 Hiller OH-23G
N64881
1963 Hiller OH-23G
N2RU
1964 Hiller OH-23G
All 4 Hiller OH-23G registrations →
Same state

Other aircraft registered in Montana

N9952Q
1954 Piper PA-18-135
N9955J
Cessna T188C
N9955R
Beechcraft B95
N995DH
1945 DeHavilland DH-82A
N995NA
1966 Cessna 172 Skyhawk
N9965B
Cessna 182A Skylane / 182 Skylane
All 6,049 aircraft registered in Montana →
Similar aircraft

Other piston helicopters on the register

  • N16WP Hughes TH-55A
  • N124AS Robinson R44 RAVEN II Piston Helicopters / R44 Newscopter / R44 Clipper II
  • N106EH Robinson R22 BETA II Piston Helicopters / R22 BETA Piston Helicopters / R22B Piston Helicopters
  • N1019V Robinson R44 RAVEN I Piston Helicopters / R44 Cadet / R44 RAVEN II Piston Helicopters
  • N12424 Robinson R22
  • N11691 Schweizer 300C Piston Helicopters / 269C Piston Helicopters
More from Hiller

Hiller models on the register

Own N99579?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Aircraft registered in Montana· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.