# Hiller OH-23B - Type: Aircraft model (FAA registry) - Registry code: 4360109 - Manufacturer (registry): HILLER - Model: OH-23B - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Reciprocating - Seats: 4 - Weight class: Up to 12,499 lb - Cruise speed: 63 mph - Certification: Type certificated - Data sheet: [TCDS 6H2](https://openairdocs.org/tcds/6H2) (OpenAirDocs) - Holder: Siam Hiller Holdings Inc. - Registered aircraft: 6 - Page: https://openairdocs.org/model/hiller-oh-23b Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (6) - [N17129](https://openairdocs.org/aircraft/N17129): [Dreyer Elwain C](https://openairdocs.org/faa-owner/DREYER%20ELWAIN%20C), [Cardington, OH](https://openairdocs.org/faa-place/OH/Cardington), built 1951, S/N 51-16189 - [N57893](https://openairdocs.org/aircraft/N57893): [Loudon Ross W Trustee](https://openairdocs.org/faa-owner/LOUDON%20ROSS%20W%20TRUSTEE), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), built 1955, S/N 715 - [N6055](https://openairdocs.org/aircraft/N6055): [Swicord Steven E](https://openairdocs.org/faa-owner/SWICORD%20STEVEN%20E), [Florala, AL](https://openairdocs.org/faa-place/AL/Florala), S/N 598 - [N6057](https://openairdocs.org/aircraft/N6057): [Ender Ray L](https://openairdocs.org/faa-owner/ENDER%20RAY%20L), [San Marcos, TX](https://openairdocs.org/faa-place/TX/San%20Marcos), built 1954, S/N 54-2930 - [N67699](https://openairdocs.org/aircraft/N67699): [Goerig Patrick M](https://openairdocs.org/faa-owner/GOERIG%20PATRICK%20M), [Branchville, NJ](https://openairdocs.org/faa-place/NJ/Branchville), built 1951, S/N 430 - [N68364](https://openairdocs.org/aircraft/N68364): [Kessler Frank J Jr](https://openairdocs.org/faa-owner/KESSLER%20FRANK%20J%20JR), [Gallatin, TN](https://openairdocs.org/faa-place/TN/Gallatin), S/N 51-16185 ## NTSB investigations (7) 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 CEN17LA055](https://openairdocs.org/ntsb/CEN17LA055), Dec 10, 2016: Hiller OH 23B (N5776), Tynan, TX, destroyed. Probable cause: The student pilot's delayed and improper landing flare during a practice autorotation, which resulted in the tail rotor striking terrain. - [NTSB ERA15CA059](https://openairdocs.org/ntsb/ERA15CA059), Nov 24, 2014: Hiller OH 23B (N6057), Leesburg, VA, substantial damage. Probable cause: A loss of tail rotor effectiveness while hovering in gusting crosswind conditions resulting in the student pilot's loss of control of the helicopter. Contributing was the delayed remedial action of… - [NTSB FTW89LA043](https://openairdocs.org/ntsb/FTW89LA043), Jan 21, 1989: Hiller OH-23B (N88785), Wichita Falls, TX, substantial damage. Probable cause: THE PILOT'S IMPROPER USE OF THE CARBURETOR HEAT DURING FLIGHT AND HIS IMPROPER FLARE DURING AN AUTOROTATIVE LANDING. CONTRIBUTING FACTORS WERE: CARBURETOR ICING CONDITIONS, IMPROPER IN-FLIGHT… - [NTSB NYC85FGM02](https://openairdocs.org/ntsb/NYC85FGM02), Nov 15, 1984: Hiller UH-12B (N17129), Butler, PA, substantial damage - [NTSB ATL84LA007](https://openairdocs.org/ntsb/ATL84LA007), Oct 1, 1983: Hiller UH-12B (N67699), Mccullough, AL, substantial damage - [NTSB IAD78FID21](https://openairdocs.org/ntsb/IAD78FID21), Aug 17, 1978: Hiller Acft UH-12B (N67699), Roanoke, VA, substantial damage - [NTSB UNK73X0110](https://openairdocs.org/ntsb/UNK73X0110), Apr 13, 1973: Hiller Acft UH-12B (N6055), Gothenburg, SW, substantial damage ## FAA accident and incident reports (11) 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 20161210024699A](https://openairdocs.org/incident/20161210024699A), Dec 10, 2016: Hiller OH-23B (N5776), Tynan, TX, Destroyed. During first solo flight, pilot attempted to practice auto-rotation and flared to low. Tail boom contacted ground and broke away. Aircraft rolled onto side and… - [Accident 20141124023609A](https://openairdocs.org/incident/20141124023609A), Nov 24, 2014: Hiller OH-23B (N6057), Leesburg, VA, Substantial damage. N6057, a Hiller UH-12C was purchased in June 2014 by vertically challenged, LLC. [privacy data omitted], The student at the time of accident is the co-owner.… - [Incident 19980711027499I](https://openairdocs.org/incident/19980711027499I), Jul 11, 1998: N6055, Friendswood, TX, Minor damage. Pilot was practicing solo touchdown autorations and hit hard on tail stinger. Tail stinger bent and allowed impact damage to one tail rotor blade, including… - [Incident 19910630033459I](https://openairdocs.org/incident/19910630033459I), Jun 30, 1991: Hiller UH12B (N67699), Lockhart, TX, Minor damage. Low flare during autorotation practice resulted in tail rotor contacting ground. - [Incident 19900606018939I](https://openairdocs.org/incident/19900606018939I), Jun 6, 1990: Hiller H23B (N57893), East Wenatchee, WA, Minor damage. Helicopter being used to dry cherries in orchard. Pilot allowed RPM to decay. Rotor blades struck cherry trees. - [Accident 19890121001039A](https://openairdocs.org/incident/19890121001039A), Jan 21, 1989: Hiller UH12B (N88785), Wichita Falls, TX, Substantial damage. Engine quit 15 minutes after departure. Made hard autorotation landing. Had carb heat one quarter on. - [Incident 19850620038739I](https://openairdocs.org/incident/19850620038739I), Jun 20, 1985: Hiller UH12B (N33514), Fairbanks, AK, Minor damage. RPM dropped after takeoff over powerlines. Hard landing during autorotation. Pilot counseled on operating limits. - [Accident 19841115062119A](https://openairdocs.org/incident/19841115062119A), Nov 15, 1984: Hiller H23B (N17129), Butler, PA, Substantial damage. No fuel at practice airport. Elected to return to home base upwind. Ran out of fuel a mile short. Landed in trees. - [Accident 19831001052949A](https://openairdocs.org/incident/19831001052949A), Oct 1, 1983: Hiller UH12B (N67699), Mccullough, AL, Substantial damage. Engine lost power while helicopter was in slow flight 5 feet AGL. Rotor RPM decayed. Crash landed. Carburetor ice. - [Accident 19780817023609A](https://openairdocs.org/incident/19780817023609A), Aug 17, 1978: Hiller UH12C (N67699), Roanoke, VA, Substantial damage. Fuel leakage. Loose b nut,supply side eng driven fuel pump. Boost pnot used. Annual insp same day - [Accident 19730413042699A](https://openairdocs.org/incident/19730413042699A), Apr 13, 1973: Hiller UH12C (N6055), Gothenburg, Substantial damage. 1St flt aft transport & maint. Lost RPM in 30FT hover,lndd in river. Reported by swedish govt. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.