# Hiller-Osborn UH-12D

- Type: Aircraft model (FAA registry)
- Registry code: 4361501
- Manufacturer (registry): HILLER-OSBORN
- Model: UH-12D
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 3
- Weight class: Up to 12,499 lb
- Cruise speed: 82 mph
- Certification: Type certificated
- Data sheet: [TCDS 4H10](https://openairdocs.org/tcds/4H10) (OpenAirDocs)
- Holder: Siam Hiller Holdings Inc.
- Registered aircraft: 2
- Page: https://openairdocs.org/model/hiller-osborn-uh-12d

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.

- [AD 2015-20-51](https://openairdocs.org/ad/2015-20-51): Hiller UH-12, UH-12A, UH-12B and 6 more
- [AD 2000-24-21](https://openairdocs.org/ad/2000-24-21): Control System Linkage · Hiller UH-12, UH-12A, UH-12B and 6 more. Effective Jan 10, 2001
- [AD 97-20-15](https://openairdocs.org/ad/97-20-15): Outboard Tension-Torsion Bar Pin · Hiller UH-12A, UH-12B, UH-12C and 2 more. Effective Nov 12, 1997
- [AD 97-10-16](https://openairdocs.org/ad/97-10-16): Blade Spar Tube and Cuff Inspection · Allison 250-C20/250-C20B engine (Siam Hiller Holdings STC SH177WE or SH178WE). Effective Jun 27, 1997
- [AD 86-22-04](https://openairdocs.org/ad/86-22-04): Main Rotor Blades · Hiller UH-12D, UH-12E and UH-12E-L with STC SH177WE or SH178WE. Effective Nov 3, 1986
- [AD 86-17-02](https://openairdocs.org/ad/86-17-02): Main Rotor Blade Fork · Hiller UH-12D, UH-12E and UH-12E-L with STC SH177WE or SH178WE. Effective Aug 22, 1986
- [AD 84-19-08](https://openairdocs.org/ad/84-19-08): Engine Mount · Hiller UH-12D, UH-12E and UH-12E-L with STC SH177WE or SH178WE. Effective Sep 20, 1984
- [AD 83-25-02](https://openairdocs.org/ad/83-25-02): Main Rotor Blade Doublers · Allison 250-C20/250-C20B engine (Siam Hiller Holdings STC SH177WE). Effective Dec 29, 1983
- [AD 82-15-02](https://openairdocs.org/ad/82-15-02): Main And Tail Rotors · Hiller UH-12D, UH-12L, UH-12L4 and 2 more. Effective Jul 16, 1982
- [AD 81-18-02](https://openairdocs.org/ad/81-18-02): Tail Rotor Skin Cracks · Hiller UH-12, UH-12A, UH-12B and 6 more. Effective Sep 10, 1981
- [AD 81-17-03](https://openairdocs.org/ad/81-17-03): Main Transmission · Hiller UH-12, UH-12A, UH-12B and 6 more. Effective Aug 24, 1981
- [AD 81-17-01](https://openairdocs.org/ad/81-17-01): Starting Vibrator Assemblies · Bendix Starting Vibrator Assemblies, B-2, B-2A and 49 more. Effective Aug 13, 1981
- [AD 81-09-08](https://openairdocs.org/ad/81-09-08): Main Rotor Blade · Hiller UH-12D and UH-12E with STC SH177WE or SH178WE. Effective Jun 25, 1981
- [AD 81-04-01](https://openairdocs.org/ad/81-04-01): Rudder Cable Assembly · Hiller UH-12D, UH-12L and UH-12E. Effective Feb 9, 1981
- [AD 80-23-02](https://openairdocs.org/ad/80-23-02): Turbine Power Conversions · Allison 250-C20/250-C20B engine (Siam Hiller Holdings STC SH177WE or 2 others). Effective Nov 20, 1980
- [AD 80-19-02](https://openairdocs.org/ad/80-19-02): Turbine Power - Soloy Conversions · Hiller UH-12D and UH-12E with STC SH177WE or SH178WE. Effective Oct 11, 1980
- [AD 80-07-04](https://openairdocs.org/ad/80-07-04): Main Rotor Blade Anti-Node Bars · Hiller UH-12, UH-12D and UH-12E. Effective Mar 31, 1980
- [AD 79-03-07](https://openairdocs.org/ad/79-03-07): Main Rotor Tachometer Generator · Hiller UH-12D and UH-12E with STC SH177WE or SH178WE. Effective Feb 21, 1979
- [AD 78-23-07](https://openairdocs.org/ad/78-23-07): Finite Life Components Listed in AD · Hiller UH-12D and UH-12E. Effective Dec 14, 1978
- [AD 78-22-08](https://openairdocs.org/ad/78-22-08): Flight/Engine Control · Hiller UH-12D and UH-12E with STC SH177WE or SH178WE. Effective Nov 30, 1978
- [AD 78-22-02](https://openairdocs.org/ad/78-22-02): Rotor Blade Retention System · Hiller UH-12D and UH-12E. Effective Oct 27, 1978
- [AD 78-18-03](https://openairdocs.org/ad/78-18-03): Drive Shaft · Hiller UH-12D and UH-12E with STC SH177WE or SH178WE. Effective Oct 6, 1978
- [AD 77-24-03](https://openairdocs.org/ad/77-24-03): Fuel Control Valve · Hiller UH-12C, UH-12D, UH-12L and 3 more. Effective Jan 6, 1978
- [AD 75-10-01](https://openairdocs.org/ad/75-10-01): Rotor Drive System · Hiller UH-12D, UH-12L, UH-12L4 and 2 more. Effective May 8, 1975
- [AD 61-05-04](https://openairdocs.org/ad/61-05-04): Main Transmission · Hiller UH-12D and UH-12E. Effective Jun 4, 1974
- [AD 74-04-03](https://openairdocs.org/ad/74-04-03): Main Rotor Drag Struts · Hiller UH-12D and UH-12E. Effective Feb 18, 1974
- [AD 73-25-03](https://openairdocs.org/ad/73-25-03): Finite Life Components · Hiller UH-12D. Effective Jan 10, 1974
- [AD 73-20-03](https://openairdocs.org/ad/73-20-03): Main Rotor Hub · Hiller UH-12, UH-12A, UH-12B and 4 more. Effective Oct 30, 1973
- [AD 71-25-08](https://openairdocs.org/ad/71-25-08): Inspect Main Rotor Blades · Hiller UH-12, UH-12A, UH-12B and 6 more. Effective Dec 14, 1971
- [AD 69-13-07](https://openairdocs.org/ad/69-13-07): Collective Yoke Support Brackets · Hiller UH-12D, UH-12L, UH-12L4 and 2 more. Effective Apr 30, 1970
- [AD 69-08-08](https://openairdocs.org/ad/69-08-08): Tail Rotor Yoke · Hiller UH-12D, UH-12L, UH-12L4 and 2 more. Effective Apr 23, 1969
- [AD 67-08-03](https://openairdocs.org/ad/67-08-03): Cyclic Control Bracket · Hiller UH-12D and UH-12E. Effective Mar 9, 1967
- [AD 66-22-04](https://openairdocs.org/ad/66-22-04): Mercury Clutches · Hiller UH-12D, UH-12L, UH-12L4 and 2 more. Effective Sep 2, 1966
- [AD 76-20-06](https://openairdocs.org/ad/76-20-06): Cable Freezing Control · Hiller UH-12D and UH-12E with STC SH177WE or SH178WE
- [AD 63-21-03](https://openairdocs.org/ad/63-21-03): Main Rotor Blades · Hiller UH-12D and UH-12E
- [AD 62-06-03](https://openairdocs.org/ad/62-06-03): Transmission & Lubrication System Modification · Hiller UH-12D and UH-12E
- [AD 59-25-03](https://openairdocs.org/ad/59-25-03): Wobble Plate Screws · Hiller UH-12, UH-12A, UH-12B and 3 more
- [AD 59-05-05](https://openairdocs.org/ad/59-05-05): Cyclic Control Scissor Casting · Hiller UH-12, UH-12A, UH-12B and 3 more
- [AD 58-02-03](https://openairdocs.org/ad/58-02-03): Carburetor Mixture Control Removal · Hiller UH-12, UH-12A, UH-12B and 2 more

Historical (superseded or no longer in force):

- [AD 77-07-05 R1](https://openairdocs.org/ad/77-07-05-R1) (historical): Control Rotor Blade Spar Tube and Cuff · Hiller UH-12, UH-12A, UH-12B and 3 more. Effective Jun 20, 1977
- [AD 77-07-05](https://openairdocs.org/ad/77-07-05) (historical): Control Rotor Blade Spar Tube and Cuff · Hiller UH-12, UH-12A, UH-12B and 3 more. Effective Jun 20, 1977

## Registered aircraft (2)

- [N67065](https://openairdocs.org/aircraft/N67065): [Fort Wolters Helicopter Inc](https://openairdocs.org/faa-owner/FORT%20WOLTERS%20HELICOPTER%20INC), [Mineral Wells, TX](https://openairdocs.org/faa-place/TX/Mineral%20Wells), built 1957, S/N 1023
- [N67155](https://openairdocs.org/aircraft/N67155): [Horizon Helicopters LLC](https://openairdocs.org/faa-owner/HORIZON%20HELICOPTERS%20LLC), [Toms River, NJ](https://openairdocs.org/faa-place/NJ/Toms%20River), built 1961, S/N 1335

## NTSB investigations (3)

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 FTW96LA121](https://openairdocs.org/ntsb/FTW96LA121), Feb 16, 1996: Hiller UH-12D (N67065), Carrizo Springs, TX, substantial damage. Probable cause: a loss of engine power for undetermined reasons, and the pilot's improper touchdown.
- [NTSB FTW92LA044](https://openairdocs.org/ntsb/FTW92LA044), Dec 2, 1991: Hiller-Osborn UH-12D (N67065), Rio Medina, TX, substantial damage. Probable cause: THE PILOT'S IMPROPER FLARE DURING TOUCHDOWN.
- [NTSB NYC83FHD01](https://openairdocs.org/ntsb/NYC83FHD01), Jun 8, 1983: Hiller UH-12D (N67155), Bricktown, NJ, substantial damage

## FAA accident and incident reports (4)

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 19960216002049A](https://openairdocs.org/incident/19960216002049A), Feb 16, 1996: Hiller UH12D (N67065), Carrizo Springs, TX, Substantial damage. Aerial observation for deer spotting. Low and slow. Steep turn. Rotor speed decay. Hard landing. Chopped tailboom.
- [Accident 19911202055689A](https://openairdocs.org/incident/19911202055689A), Dec 2, 1991: Hiller UH12D (N67065), Rio Medina, TX, Substantial damage. On first helicopter solo used too much aft cylic,too slow for landing,causing main rotors to chop off tailboom.
- [Accident 19830608023609A](https://openairdocs.org/incident/19830608023609A), Jun 8, 1983: Hiller UH12D (N67155), Bricktown, NJ, Substantial damage. RPM drop and partial power loss reported by ag pilot. Helicopter crashed in trees. Found ignition lead leaks.
- [Incident 19811008089999I](https://openairdocs.org/incident/19811008089999I), Oct 8, 1981: Hiller UH12D (N67155), Farmingdale, NJ, Minor damage. Student pilot hit tail rotor while making autorotative landing after vibration from blade separated by overstress.

## Service difficulty reports (4)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2015FA0000446](https://openairdocs.org/sdr/2015FA0000446), Sep 8, 2015: FORK. CRACKED. THE ACFT WAS PERFORMING AERIAL APPLICATION UNDER RESTRICTED CATEGORY. PRIOR TO 9/8/2015, THE PILOT REPORTED THE ACFT FLEW SMOOTH. PILOT REPORTED THAT THE LAST F
- [SDR CA051212002](https://openairdocs.org/sdr/CA051212002), Aug 14, 2005: BLADE. FAILED. A SEVERE VERT VIBRATION OCCURRED WHEN HELICOPTER ENTERED A SPRAY RUN. VIBRATION CEASED JUST BEFORE LANDING ON A NEARBY ROAD. ROTOR HEAD WAS REMOVED AND NDT'D FO
- [SDR 97ZZZX1674](https://openairdocs.org/sdr/97ZZZX1674), Feb 13, 1997: CONTROL LINK. BOLT DETACHED. WHILE IN-FLIGHT, 2-13-97 APPROX 4 PM, ATTACHMENT BOLT VIBRATED OUT OF THE UPPER END OF THE COLLECTIVE CONTROL ROD. A LEATHER PUNCH WAS INSERTED IN THE CLEVIS AN
- [SDR 96ZZZX3237](https://openairdocs.org/sdr/96ZZZX3237), Apr 30, 1996: HUB. CRACKED. WHILE C/W AD 73-20-03 10/30/73, DYE PEN AND VISUAL INSPECTION OF M/R HUB, A CRACK WAS FOUND ABOUT .75 INCHES LONG. M/R HUB WAS REMOVED AND SCRAPPED AND A SERVIC

## STCs that may be installed (OpenAirDocs) (41)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR00420NY](https://openairdocs.org/stc/SR00420NY): Installation of Airwolf remote mounted engine oil filter Model AFC-600. Airwolf Filter, Corp
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR02470AK](https://openairdocs.org/stc/SR02470AK): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System. ADS-B Technologies, LLC
- [STC SR02471AK](https://openairdocs.org/stc/SR02471AK): Installation of the L-3 Communications NGT -9000/9000R ADS-B System. ADS-B Technologies, LLC
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC
- [STC SH247NW](https://openairdocs.org/stc/SH247NW): Installation and maintenance of exhaust ejector engine oil cooler system. (UH-12D (ARMY UH-23D modified per STC SH177WE). Siam Hiller Holdings Inc
- [STC SH295NW](https://openairdocs.org/stc/SH295NW): Installation of Hiller auxiliary fuel tanks kit No 72041. (UH-12D (ARMY UH-23D) modified per STC SH177WE). Siam Hiller Holdings Inc
- [STC SH297NW](https://openairdocs.org/stc/SH297NW): Installation and maintenance of a cabin heater system. (UH-12D (ARMY UH-23D modified per STC SH178WE). Siam Hiller Holdings Inc
- [STC SH299NW](https://openairdocs.org/stc/SH299NW): Installation of Soloy cargo racks. Siam Hiller Holdings Inc
- [STC SH321NW](https://openairdocs.org/stc/SH321NW): Installation of a Bendix fuel control/power governor system on the Allison 250-C20 turbine powered Hiller UH-12D rotorcraft. (UH-12D (ARMY UH-23D) modified per STC SH177WE). Siam Hiller Holdings Inc
- [STC SH338NW](https://openairdocs.org/stc/SH338NW): Installation of transmission oil cooling system on the Allison250-C20 turbine powered Hiller UH-12D rotorcraft. (UH-12D (ARMY UH-23D modified per STC SH177WE). Siam Hiller Holdings Inc
- [STC SH380NW](https://openairdocs.org/stc/SH380NW): Installation and maintenance of engine auto reignition system. (UH-12D (ARMY UH-23D) modified per STC SH177WE). Siam Hiller Holdings Inc
- [STC SH505NW](https://openairdocs.org/stc/SH505NW): Installation of cargo release pedal. Siam Hiller Holdings Inc
- [STC SH559NW](https://openairdocs.org/stc/SH559NW): Installation and maintenance of engine inlet air cleaner system. (UH-12D (ARMY UH-23D) modified per STC SH177WE). Siam Hiller Holdings Inc
- [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International
- [STC SH177WE](https://openairdocs.org/stc/SH177WE): Installation of Allison 250-C20/250-C20B engine and related changes. Siam Hiller Holdings Inc
- [STC SH287NW](https://openairdocs.org/stc/SH287NW): Installation of Hiller landing gear float kit No. 44012. (UH-12d (ARMY UH-23D modified per STC SH177WE). Siam Hiller Holdings Inc
- [STC SH475NW](https://openairdocs.org/stc/SH475NW): Installation of an agricultural spray system. (UH-12D (ARMY UH-23D) modifier per STC). Siam Hiller Holdings Inc
- [STC SR01430LA](https://openairdocs.org/stc/SR01430LA): Installation of Stainless Steel Skid shoes. Papas Gary Los Angeles Laboratories Inc
- [STC SA01258SE](https://openairdocs.org/stc/SA01258SE): Installation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML. R-S Sales Inc
- [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC
- [STC SH849NW](https://openairdocs.org/stc/SH849NW): Installation of North American Industries, Inc., Model No. 5 Automatic Flagman. R-S Sales Inc
- [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc
- [STC SR00135LA](https://openairdocs.org/stc/SR00135LA): Installation of Yehnert Tail Rotor Blades YH-278 as replacements for Hiller Tail Rotor Blades 55073. Yehnert Helicopters, Inc
- [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International
- [STC SH359GL](https://openairdocs.org/stc/SH359GL): Installation of Facet Enterprises engine lubrication system scavenge filter. Facet Filter Products
- [STC SH2763SO](https://openairdocs.org/stc/SH2763SO): Installation of control rotor safety cable. JAARS Inc
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International
- [STC SA3862NM PAGE 1](https://openairdocs.org/stc/SA3862NM%20PAGE%201): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International
- [STC SH3362NM](https://openairdocs.org/stc/SH3362NM): Installation of a Tail Rotor Blade Protective Coating. Columbia Helicopters Inc
- [STC SA2190NM PAGE 1](https://openairdocs.org/stc/SA2190NM%20PAGE%201): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International
- [STC SH618NW](https://openairdocs.org/stc/SH618NW): Installation of the Onboard Weighing System Adapter No. 1500, for use with Eastern Rotorcraft Cargo Hook No 2A15E. Onboard Weighing Systems
- [STC SH877SO](https://openairdocs.org/stc/SH877SO): Installation of tail rotor guard assembly. Jungle Aviation & Radio Service, Inc
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International

## PMA parts (OpenAirDocs) (37)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [WF336342](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104040081920250602133029.0001): Filter Element, Lube. Donaldson Company Inc · PMA PQ2432CE · Replaces 038088-08, P-1050 · May 23, 2025
- [MDL TD 031851](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165624220220250508133547.0001): VA-1A( )AndAccessories. Electronics International Inc · PMA PQ0088NM · Modification part · Apr 10, 2025
- [01-0790906-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159664127120220610124309.0001): LED Landing Light. Whelen Aerospace Technologies · PMA PQ1372CE · Modification part · Jun 6, 2022
- [H 910](https://drs.faa.gov/browse/excelExternalWindow/60A0B4F0AE8A52D686258295006CFC84.0001): Assembly, Barrier Air Filter Box. Cascade Aircraft Conversions LLC · PMA PQ2352NM · Replaces H 920 · Mar 28, 2018
- [87-05208-001](https://drs.faa.gov/browse/excelExternalWindow/C4B8A8A2B2422B728625822E007853B6.0001): Assembly, Light, PAR 46 Landing. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0790750-20 · Jan 23, 2018
- [AA-63197](https://drs.faa.gov/browse/excelExternalWindow/E56D1A2542843DCC862581A10066812C.0001): Bracket, Engine Snubber. Airwolf Aerospace LLC (formerly Airwolf Helicopter) · PMA PQ2684CE · Replaces 63197 · Aug 30, 2017
- [AA-52110-3](https://drs.faa.gov/browse/excelExternalWindow/CDD4F24CD23D5A38862581A1006681BC.0001): Fork - Main Rotor Blade Root. Airwolf Aerospace LLC (formerly Airwolf Helicopter) · PMA PQ2684CE · Replaces 52110-3 · Aug 30, 2017
- [AA-31318](https://drs.faa.gov/browse/excelExternalWindow/64CE2A06A997D66C862581A100667EFC.0001): Bellcrank Assembly, Collective Control. Airwolf Aerospace LLC (formerly Airwolf Helicopter) · PMA PQ2684CE · Replaces 31318 · Aug 30, 2017
- [AA-31321](https://drs.faa.gov/browse/excelExternalWindow/28829152EF48C18F862581A100667FC4.0001): Shaft, Dual Collective Control. Airwolf Aerospace LLC (formerly Airwolf Helicopter) · PMA PQ2684CE · Replaces 31321 · Aug 30, 2017
- [87-05207-002](https://drs.faa.gov/browse/excelExternalWindow/4BE4BA39295AB01E862581760058C64D.0001): Assembly, Light, PAR 36 Taxi. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0771833-25 · Aug 1, 2017
- [87-05207-001](https://drs.faa.gov/browse/excelExternalWindow/4ACD6BDF5990D9C7862581760058C571.0001): Assembly, Light, PAR 36 Landing. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0771833-20 · Aug 1, 2017
- [7555H-72D](https://drs.faa.gov/browse/excelExternalWindow/000B4922E06258DB86257D0F00577B95.0001): Alternator. Hartzell Engine Technologies LLC · PMA PQ1383CE-D · Replaces Hiller 83230 · Jun 17, 2014
- [All parts listed on AMLSR01430LA](https://drs.faa.gov/browse/excelExternalWindow/501790D1A84165D4852570460058B24D.0001): Skid shoe. Los Angeles Laboratories Inc · Modification part · Feb 16, 2005
- [Model 600 WP](https://drs.faa.gov/browse/excelExternalWindow/5682F8155CD6FB10852570490054D746.0001): Air/Oil Separator. M-20 Oil Separators LLC · Modification part · May 12, 2003
- [WF336342](https://drs.faa.gov/browse/excelExternalWindow/4D63F5EB06BEF73E85257050005770F8.0001): Filter Element, Lube. Western Filter Corporation · Replaces 038088-08 · Dec 13, 2000
- [2550](https://drs.faa.gov/browse/excelExternalWindow/F8349F7C66F0C00A85257046005D6B19.0001): Weigh System. Onboard Systems · Modification part · Dec 8, 1999
- [MH12E-64093, -1, -2, -3, -4, -5, -6, -7, -8, -45, -47, -48, -49](https://drs.faa.gov/browse/excelExternalWindow/F3E6E798D68758728625734D00570298.0001): Cabin Door Windows. Nordam Transparency Div · PMA PQ0327SW · Replaces Hiller Aviation64093-1, -2, -3, -4… · Oct 12, 1999
- [MH12E-64093, -1, -2, -3, -4, -5, -6, -7, -8, -45, -47, -48, -49](https://drs.faa.gov/browse/excelExternalWindow/77B5A648A075ED1B852570490054D347.0001): Cabin Door Windows. Nordam-Texas · Replaces Hiller 64093-1, -2, -3, -4, -5, -7… · Feb 12, 1997
- [2B6-69FR](https://drs.faa.gov/browse/excelExternalWindow/E201BB3FF3D3F7A18525704A0053D214.0001): Factory Rebuilt Fuel Pump. Parker Hannifin Corp, Nichols Airborne Division · Replaces Airborne 2B6-69 · Aug 26, 1996
- [AFC-K012](https://drs.faa.gov/browse/excelExternalWindow/F0788426697F5B678525703C00694BC9.0001): Oil Filter Kit. Airwolf Filter Corp · Modification part · Jun 3, 1996
- [YH-278](https://drs.faa.gov/browse/excelExternalWindow/16E6F580DFB880038525705000576D36.0001): Tail Rotor Blades. Yehnert Helicopter Inc · Replaces Hiller 55073 · Mar 20, 1996
- [1500](https://drs.faa.gov/browse/excelExternalWindow/469CDA8EDAA795B685257046005B7222.0001): Onboard Weighing System. Onboard Systems · Modification part · Aug 13, 1992
- [1741000](https://drs.faa.gov/browse/excelExternalWindow/DC6A49DAB5CD76B38525703F0054A6DE.0001): Installation of Lub Oil Scavenge Filter. Purolator Facet Inc (formerly Facet Filter Products) · Modification part · Jun 30, 1992
- [All parts listed on Detroit Diesel Allison Commercial Engine Bulletin 250-C20 CEB-1050](https://drs.faa.gov/browse/excelExternalWindow/FECDDC7CA7A8146A8525704B005CFC14.0001): Bendix Fuel Control/Power Governor System. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list no. 560-2850 or later FAA approved revision.](https://drs.faa.gov/browse/excelExternalWindow/E3F3FCE862B152088525704B005CFC1F.0001): Tundra Pads. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list 560-301](https://drs.faa.gov/browse/excelExternalWindow/CD3F661CC04D71908525704B005CFC17.0001): Cabin Heater System. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list 560-501](https://drs.faa.gov/browse/excelExternalWindow/71EC56E6A78FDA608525704B005CFC19.0001): Hiller Auxiliary Fuel Tanks Kit No 72041. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list 560-861](https://drs.faa.gov/browse/excelExternalWindow/668204A7139817FC8525704B005CFC1C.0001): Engine Inlet Air Cleaner System. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list 560-101](https://drs.faa.gov/browse/excelExternalWindow/63568FE3A8A672368525704B005CFC15.0001): Engine Oil Cooling System. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list 560-601](https://drs.faa.gov/browse/excelExternalWindow/5BC292BAD5EE51A98525704B005CFC1B.0001): Landing Gear Float Kit No 44012. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list no. 560-141](https://drs.faa.gov/browse/excelExternalWindow/49DF7AE4FECB10BD8525704B005CFC1D.0001): Cargo Release Pedal. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list no. 560-801](https://drs.faa.gov/browse/excelExternalWindow/486C6ECE41794E1B8525704B005CFC20.0001): Agricultural Spray System. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on Progressive Aviation Dwg List No. 560-001 and Soloy Dwg List No. 560-001](https://drs.faa.gov/browse/excelExternalWindow/3AAEC0C8C4A68D6C8525704B005CFC21.0001): Allison 250-C20/250-C20B Engine Kit. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list 560-401](https://drs.faa.gov/browse/excelExternalWindow/3533318A3B772D868525704B005CFC18.0001): Engine Auto-Reignition System. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on dwg list no. 560-201](https://drs.faa.gov/browse/excelExternalWindow/19A42651D46C95988525704B005CFC1E.0001): Cargo Racks. Soloy LLC · Modification part · Oct 23, 1991
- [All parts listed on Dwg list 560-111](https://drs.faa.gov/browse/excelExternalWindow/1811713B22422E278525704B005CFC16.0001): Transmission Oil Cooling System. Soloy LLC · Modification part · Oct 23, 1991
- [2550](https://drs.faa.gov/browse/excelExternalWindow/F66CE01E1BD664A985257046005D6B18.0001): Model 2550 Weighing System. Onboard Systems · Modification part · May 23, 1991

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Hiller UH-12D](https://openairdocs.org/model/hiller-uh-12d): 22 registered aircraft, registry code 4360118
- [Hiller-Northern UH-12D](https://openairdocs.org/model/hiller-northern-uh-12d): 0 registered aircraft, registry code 4361301
- [Hiller-Houska UH-12D](https://openairdocs.org/model/hiller-houska-uh-12d): 0 registered aircraft, registry code 4361601
- [Rogerson Hiller UH-12D](https://openairdocs.org/model/rogerson-hiller-uh-12d): 0 registered aircraft, registry code 4365001

---
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.