# Arrow Falcon UH-1H

- Type: Aircraft model (FAA registry)
- Registry code: 1500002
- Manufacturer (registry): ARROW FALCON
- Model: UH-1H
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Turbo-shaft
- Seats: 15
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS R00007DE](https://openairdocs.org/tcds/R00007DE) (OpenAirDocs)
- Holder: Arrow Falcon Exporters Inc.
- Registered aircraft: 0
- Page: https://openairdocs.org/model/arrow-falcon-uh-1h

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 2024-19-17](https://openairdocs.org/ad/2024-19-17): Rotorcraft flight control · Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N… (STC SR03408CH). Effective Oct 11, 2024
- [AD 2022-20-14](https://openairdocs.org/ad/2022-20-14): Main Rotor Gearbox · Bell Textron 204B, 205A, 205A-1 and 20 more. Effective Dec 27, 2022
- [AD 2022-22-12](https://openairdocs.org/ad/2022-22-12): Nose/Tail Landing Gear Structure/Axle · Replacement crosstubes P/N D212-664 (Dart Aerospace STC SR01298NY). Effective Nov 22, 2022
- [AD 2022-21-11](https://openairdocs.org/ad/2022-21-11): Main rotor blades · Bell Textron 204B, 205A, 205A-1 and 11 more. Effective Nov 16, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10): Cabin Equipment/Furnishings · Airbus Helicopters AS332L, AS332L1, AS332L2 and 57 more. Effective Apr 20, 2022
- [AD 2022-06-05](https://openairdocs.org/ad/2022-06-05): Main Rotor System · WSH HH-1K, TH-1F, TH-1L and 11 more. Effective Mar 16, 2022
- [AD 2021-26-16](https://openairdocs.org/ad/2021-26-16): Engine/Transmission Coupling · Arrow Falcon Exporters UH-1H and SW205 (UH-1H). Effective Feb 25, 2022
- [AD 2021-15-14](https://openairdocs.org/ad/2021-15-14): Rotorcraft Tail Boom · California Department of Forestry UH-1H, UH-1F, TH-1L and 39 more. Effective Aug 30, 2021
- [AD 2018-02-07](https://openairdocs.org/ad/2018-02-07): Main Rotor Blades · California Department of Forestry UH-1H, UH-1F, UH-1F and 24 more. Effective Feb 1, 2018
- [AD 2016-23-09](https://openairdocs.org/ad/2016-23-09): Main Rotor Blades · California Department of Forestry UH-1H, UH-1F, UH-1F and 24 more. Effective Dec 27, 2016
- [AD 2014-03-10](https://openairdocs.org/ad/2014-03-10): Tail Rotor Control System · JJASPP Engineering Services UH-1H, UH-1F, TH-1L and 35 more. Effective Mar 26, 2014
- [AD 2013-13-06](https://openairdocs.org/ad/2013-13-06): Main rotor head · California Department of Forestry UH-1H, UH-1F, TH-1L and 36 more. Effective Sep 10, 2013
- [AD 2013-13-14](https://openairdocs.org/ad/2013-13-14): Main Rotor Head · JJASPP Engineering Services UH-1H, UH-1F, TH-1L and 33 more. Effective Jul 24, 2013
- [AD 2012-17-10](https://openairdocs.org/ad/2012-17-10): Main Rotor Blades · California Department of Forestry UH-1H, UH-1F, TH-1L and 36 more. Effective Sep 28, 2012
- [AD 2012-14-12](https://openairdocs.org/ad/2012-14-12): Tail Rotor Blades · California Department of Forestry UH-1H, UH-1F, TH-1L and 36 more. Effective Sep 4, 2012
- [AD 2010-14-12](https://openairdocs.org/ad/2010-14-12): Landing Gear System · Overseas Aircraft Support UH-1H, UH-1F, UH-1H and 40 more. Effective Jul 23, 2010
- [AD 2006-19-05](https://openairdocs.org/ad/2006-19-05): Tail rotor (T/R) slider · California Department of Forestry UH-1H, UH-1F, TH-1L and 36 more. Effective Oct 16, 2006
- [AD 2002-20-01](https://openairdocs.org/ad/2002-20-01): TT strap · Overseas Aircraft Support UH-1H, UH-1F, TH-1L and 34 more. Effective Nov 6, 2002
- [AD 2002-13-51](https://openairdocs.org/ad/2002-13-51): Tail Rotor (T/R) Grip · Overseas Aircraft Support UH-1H, UH-1F, TH-1L and 34 more. Effective Aug 19, 2002
- [AD 2002-01-31](https://openairdocs.org/ad/2002-01-31): Retirement Index Number (RIN) for Masts · Overseas Aircraft Support UH-1H, UH-1F, TH-1L and 36 more. Effective Mar 8, 2002
- [AD 2000-15-21 R1](https://openairdocs.org/ad/2000-15-21-R1): Main Rotor Mast Assemblies · Overseas Aircraft Support UH-1H, UH-1F, TH-1L and 33 more. Effective Nov 22, 2000
- [AD 99-25-12](https://openairdocs.org/ad/99-25-12): Tailboom Vertical Fin Spar · California Department of Forestry UH-1H, UH-1F, TH-1L and 31 more. Effective Jan 11, 2000
- [AD 99-07-15](https://openairdocs.org/ad/99-07-15): Tail Rotor Yoke · Arrow Falcon Exporters UH-1H, UH-1F, TH-1L and 33 more. Effective May 3, 1999
- [AD 97-01-06](https://openairdocs.org/ad/97-01-06): Tail Rotor Slider · Arrow Falcon Exporters UH-1H, UH-1F, TH-1L and 32 more. Effective Feb 13, 1997
- [AD 96-12-26](https://openairdocs.org/ad/96-12-26): Clean and Inspect Tail Rotor Blade · Arrow Falcon Exporters UH-1H, UH-1F, TH-1L and 36 more. Effective Sep 23, 1996
- [AD 95-10-08](https://openairdocs.org/ad/95-10-08): Tail Rotor Control System · Arrow Falcon Exporters UH-1H, UH-1F, TH-1L and 34 more. Effective May 26, 1995
- [AD 94-22-09](https://openairdocs.org/ad/94-22-09): Tail Rotor Driveshaft · Arrow Falcon Exporters UH-1H, UH-1F, TH-1L and 34 more. Effective Nov 22, 1994
- [AD 90-03-10](https://openairdocs.org/ad/90-03-10): Tail Rotor Grips · Arrow Falcon Exporters UH-1H, UH-1F, 204B and 33 more. Effective Oct 18, 1991

Historical (superseded or no longer in force):

- [AD 2021-15-52](https://openairdocs.org/ad/2021-15-52) (historical): Main Rotor System · Arrow Falcon Exporters UH-1H, UH-1F, TH-1L and 39 more. Effective Aug 13, 2021
- [AD 2000-22-51](https://openairdocs.org/ad/2000-22-51) (historical): Main Rotor Mast or Trunnion · Arrow Falcon Exporters UH-1H, UH-1F, HH-1K and 33 more. Effective Dec 26, 2000
- [AD 2000-08-53](https://openairdocs.org/ad/2000-08-53) (historical): Main Rotor System · AST UH-1F, HH-1K, TH-1F and 32 more
- [AD 97-20-09](https://openairdocs.org/ad/97-20-09) (historical): Vertical fin spar · Arrow Falcon Exporters UH-1H, UH-1F, UH-1F and 33 more. Effective May 28, 1998

## Information bulletins (advisory) (3)

- [SAIB SW-18-29R1](https://openairdocs.org/saib/SW-18-29R1): Rotorcraft Tail Boom, Attach Structure Failure. Issued Feb 19, 2019
- [SAIB SW-18-29](https://openairdocs.org/saib/SW-18-29) (historical): Rotorcraft Tail Boom, Attach Structure Failure. Issued Oct 1, 2018
- [SAIB SW-12-38](https://openairdocs.org/saib/SW-12-38): Emergency Push Out  Window Retention. Issued Jul 30, 2012

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (93, newest 50)

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

- [SDR 2020FA0000296](https://openairdocs.org/sdr/2020FA0000296), Feb 12, 2020: PIN. DISLODGED. PRIMARY CAUSE OF DAMAGE TO ACCESSORY DRIVE, PIN CAME OUT OF SLEEVE BUSHING AND DAMAGED ADJOINING COMPONENTS. ENGINE IS STILL UNDER TEARDOWN AND INSPECTION.
- [SDR 2018FA0000537](https://openairdocs.org/sdr/2018FA0000537), Jul 24, 2018: SUPPORT. INFLT SEPARATION. THE SWASHPLATE SUPPORT FAILED AT 1916 HOURS IN SERVICE, PRIOR TO ITS SCHEDULED RETIREMENT LIFE OF 3600 HOURS, FOR UNKNOWN REASONS. TOTAL TIME TRACKING ERRORS WE
- [SDR 2018FA0000193](https://openairdocs.org/sdr/2018FA0000193), Jun 20, 2018: QUILL. DISCONNECTED. AIRCRAFT EXPERIENCED A LOSS OF TAIL ROTOR CONTROL DURING FLIGHT REQUIRING THE PILOT TO CONDUCT A HOVERING AUTOROTATION THAT DAMAGED THE LANDING GEAR AND BELLY O
- [SDR 2018FA0000086](https://openairdocs.org/sdr/2018FA0000086), Jan 18, 2018: GRIP. CRACKED. LOWER TANG LEADING EDGE HAS A CRACK EXTENDING THRU GRIP TANG TO BLADE BOLT BUSHING. FOUND DURING PREFLIGHT INSPECTION.
- [SDR 2017FA0000601](https://openairdocs.org/sdr/2017FA0000601), Jul 25, 2017: LINE. RUPTURED. ONE REPORT DESCRIBING LOSS OF HYDRAULIC FLUID AND SYS PRESSURE. MECHANICS NOTED A HIGH FREQUENCY VIBRATION IN THE HYDRAULIC SYS SPECIFIC TO TUBE WHICH CAN LEAD 
- [SDR 2017FA0000035](https://openairdocs.org/sdr/2017FA0000035), Jan 27, 2017: BOLT. LOOSE. DURING INSPECTION, FOUND THE ENGINE COMPRESSOR STATOR VANE RETAINING BOLT HANGING OUT OF IT'S RECESSED MOUNT HOLE. ENGINE BLEED BAND WAS PREVENTING BOLT FROM FA
- [SDR 2014FA0000320](https://openairdocs.org/sdr/2014FA0000320), May 14, 2014: LONGERON. CRACKED. DURING HOVER, PILOT HEARD A BANG FROM THE REAR OF THE ACFT. PILOT LANDED BACK AT STAGING AREA. DURING INVESTIGATION, DETERMINED THE TAILBOOM JUST AFT OF THE UPP
- [SDR 2012FA0000656](https://openairdocs.org/sdr/2012FA0000656), Sep 17, 2012: BLADE. MISINSTALLED. DURING A PHASE 1 INSPECTION, TAIL ROTOR BLADE CLEARANCE FROM VERTICAL STABILIZER WAS INSUFFICIENT AS IT HAD BEEN IMPROPERLY SHIMMED AND INSTALLED ON THE 90 DEGR
- [SDR 2012FA0000655](https://openairdocs.org/sdr/2012FA0000655), Sep 17, 2012: SCISSORS. MISINSTALLED. DURING A PHASE 1 INSPECTION, SCISSOR HAD BEEN IMPROPERLY ASSEMBLED AND INSTALLED ON THE SLEEVE CAUSING DAMAGE TO THE SLEEVE.
- [SDR 2012FA0000654](https://openairdocs.org/sdr/2012FA0000654), Sep 17, 2012: GRIP. MISINSTALLED. DURING A PHASE 1 INSPECTION, MAIN ROTOR GRIP HAD BEEN IMPROPERLY ASSEMBLED AND INSTALLED ON THE MAIN ROTOR YOKE CAUSING DAMAGE TO THE NEEDLE BEARING AND RACE.
- [SDR 2012FA0000308](https://openairdocs.org/sdr/2012FA0000308), Apr 24, 2012: CAP. BROKEN. CAP BROKEN AT BS 238, LBL 14.
- [SDR 2011FA0000657](https://openairdocs.org/sdr/2011FA0000657), Oct 3, 2011: BLADE. CRACKED. PILOT NOTED A VERTICAL VIBRATION DURING FLIGHT. UPON VISUAL INSPECTION, IT WAS FOUND THAT MAIN ROTOR BLADE HAD CRACKED 90 INCHES FROM BLADE TIP THROUGH THE T/E 
- [SDR 2011FA0000518](https://openairdocs.org/sdr/2011FA0000518), Aug 2, 2011: PINION GEAR. FAILED. GEARBOX WAS O/H AS PART OF AN AIRFRAME REFURBISHMENT PROJECT. THE INPUT QUILL SEAL HAD DEVELOPED AN OIL LEAK AND UPON INVESTIGATION IT WAS FOUND THAT THE INPUT 
- [SDR 2007FA0000812](https://openairdocs.org/sdr/2007FA0000812), Sep 19, 2007: QUILL ASSY. WORN. QUILL INTERNAL SPLINES WORN AND DAMAGED IN QUILL TUBE CONTACT AREA
- [SDR 2006FA0001017](https://openairdocs.org/sdr/2006FA0001017), Oct 20, 2006: SUPPORT BRACKET. LOOSE. TAIL BOOM ELEVATOR SUPPORT BRACKET LOOSE. (WORKING RIVETS/SITE OF PREVIOUS REPAIR WITH PULL TYPE RIVETS).
- [SDR 2006FA0000530](https://openairdocs.org/sdr/2006FA0000530), May 18, 2006: FITTING. CRACKED. TAIL BOOM ATTACH FITTING CRACKED UPPER LEFT [TAIL BOOM SIDE]
- [SDR 2006FA0000529](https://openairdocs.org/sdr/2006FA0000529), May 18, 2006: FITTING. CRACKED. TAIL BOOM ATTACH FITTING CRACKED UPPER LEFT [TAIL BOOM SIDE]
- [SDR 2006FA0000528](https://openairdocs.org/sdr/2006FA0000528), May 18, 2006: FITTING. CRACKED. TAIL BOOM ATTACH FITTING CRACKED UPPER LEFT [TAIL BOOM SIDE]
- [SDR 2006FA0000231](https://openairdocs.org/sdr/2006FA0000231), Feb 27, 2006: FITTING. FRACTURED. AC LANDED FOR SHUTDOWN AFTER OPERATING FOR APPROX 3 FLIGHT HOURS, AC WAS SHAKING DURING SHUTDOWN. DURING POST FLIGHT INSP IT WAS FOUND THAT UPPER LT MOUNT HARD 
- [SDR ASI200501A](https://openairdocs.org/sdr/ASI200501A), Jul 15, 2005: PIN. FAILED. DURING 1200 OVERHAUL OUTBOARD FITTING/STRAP PIN P/N 204-012-104-005, S/N DIFS12334 WAS FOUND BROKEN IN HALF. PIN HAD 1085.1 HOURS SINCE NEW. DISCOLORATION AND C
- [SDR ASI200501](https://openairdocs.org/sdr/ASI200501), Jul 15, 2005: PIN. FAILED. DURING 1200 OVERHAUL OUTBOARD FITTING/STRAP PIN WAS FOUND BROKEN IN HALF. PIN HAD 1085.1 HOURS SINCE NEW. DISCOLORATION AND CONDITION OF BREAK INDICATES THE BRE
- [SDR 2005FA0000785](https://openairdocs.org/sdr/2005FA0000785), May 11, 2005: DRIVE SHAFT. VIBRATION. ( 2005-5-1) PILOT NOTICED VIBRATION AND RUMBLE COMING FROM THE MAIN TRANSMISSION AREA ON TAKEOFF. MECHANIC DID TROUBLE TROUBLESHOOTING PROCEDURES AND NOTICED ON
- [SDR 2004FA0000333](https://openairdocs.org/sdr/2004FA0000333), Mar 25, 2004: STRAP. CRACKED. AIRCRAFT WAS EXPERIENCING VIBRATIONS DURING FLIGHT, MAINTENANCE WAS UNABLE TO REMOVE THE VIBRATION THROUGH TRACK AND BALANCE PROCEDURES. THE MAIN ROTOR ASSEMBLY
- [SDR AGQA088876](https://openairdocs.org/sdr/AGQA088876), Aug 12, 2003: PUMP. BROKEN. PUMP PRODUCING FLUXUATING OIL PRESSURE
- [SDR LS12003F00000](https://openairdocs.org/sdr/LS12003F00000), Jun 6, 2003: SKIN. CRACKED. THE TAILBOOM FIRST 2 UPPER SKINS HAD NUMEROUS CRACKS. UNDER NORMAL OPERATIONS THESE CRACKS WOULD NEVER MATERIALIZE. THE AIRCRAFT HAS BEEN DOING LIFTING WORK. MU
- [SDR CDFROTW1](https://openairdocs.org/sdr/CDFROTW1), Apr 25, 2003: BATTERY. LEAKING. AT REMOVAL OF ELT BATTERY AT POSTED REMOVAL DATE IT WAS DISCOVERED THE BATTERY PACK HAD LEAKED AND CORRODED COMPONENTS WITHIN THE CASE. THERE WAS ALSO A CRACK N
- [SDR AUS20021231](https://openairdocs.org/sdr/AUS20021231), Oct 15, 2002: FITTING. FAULTY. (AUS) TAILBOOM LH LOWER ATTACHMENT FITTING ON FUSELAGE HAD OVERSIZE HOLES ALLOWING THE HILOK' PINS TO LOOSEN. SUSPECT CAUSED BY POOR REPAIR WORK.
- [SDR XVI2002F00000](https://openairdocs.org/sdr/XVI2002F00000), Apr 11, 2002: FRAME. CRACKED. X-RAY INSPECTION REVEALED A CRACK IN THE FRAME FLANGE APPROXIMATELY .1250 INCH LONG CONTAINED BY ADJACENT FASTENER HOLE. THE CRACK IS LOCTED IN THE 3 OCLOCK POS
- [SDR LS1R074932](https://openairdocs.org/sdr/LS1R074932), Jul 20, 2001: CYLINDER. WORN. PART IS WORN EXCESSIVELY.
- [SDR LS1R074916](https://openairdocs.org/sdr/LS1R074916), Jul 20, 2001: BATTERY. WEAK. PART IS WEAK.
- [SDR LS1R072592](https://openairdocs.org/sdr/LS1R072592), Apr 16, 2001: REGULATOR. OUT OF ADJ. REGULATOR UNABLE TO HOLD ADJUSTMENT.
- [SDR LS1R072590](https://openairdocs.org/sdr/LS1R072590), Apr 16, 2001: CONTROL PANEL. INOPERATIVE. LIGHTS WILL NOT COME ON. CONTROL PANEL INOPERATIVE.
- [SDR LS1R072190](https://openairdocs.org/sdr/LS1R072190), Apr 10, 2001: CABLE DRUM. STRETCHED. CABLE DRUM STRETCHED.
- [SDR LS1R071917](https://openairdocs.org/sdr/LS1R071917), Apr 6, 2001: SHAFT. WORN. PART IS WORN EXCESSIVELY.
- [SDR LS1R071916](https://openairdocs.org/sdr/LS1R071916), Apr 6, 2001: SHAFT. WORN. PART IS WORN EXCESSIVELY.
- [SDR 20010502CW005](https://openairdocs.org/sdr/20010502CW005), Apr 2, 2001: BLADE. CRACKED. A CRACK WAS NOTICED INSIDE DENT AFT OF THE SPAR ON THE TOP OF THE MAIN ROTOR BLADE. REMOVAL OF PAINT DETERMINED THE CRACK TO BE IN EXCESS OF 6 INCHES LONG. THE 
- [SDR 20001017SH029](https://openairdocs.org/sdr/20001017SH029), Sep 19, 2000: CROSSTUBE. CRACKED. DURING REFUEL, FOUND FORWARD CROSSTUBE AT RIGHT SADDLE CRACKED. POSSIBLE CAUSE, WEAR. (X)
- [SDR 20001017SH030](https://openairdocs.org/sdr/20001017SH030), Sep 1, 2000: ANGLE. CRACKED. FOUND ANGLE CRACKED AT LEFT LOWER TAILBOOM MOUNT. POSSIBLE CAUSE IS STRESS TORQUE OF TAILBOOM TO FUSELAGE. (X)
- [SDR LS1R066445](https://openairdocs.org/sdr/LS1R066445), Feb 29, 2000: BEARING. ROUGH. BEARING EXTREMELY ROUGH, AND RATCHETY.
- [SDR LS1R066421](https://openairdocs.org/sdr/LS1R066421), Feb 23, 2000: BEARING. DAMAGED. BEARING SLINGING GREASE.
- [SDR LS1R066420](https://openairdocs.org/sdr/LS1R066420), Feb 23, 2000: BEARING. DAMAGED. BEARING SLINGING GREASE.
- [SDR LS1R066419](https://openairdocs.org/sdr/LS1R066419), Feb 23, 2000: BEARING. DAMAGED. BEARING SLINGING GREASE.
- [SDR LS1R066011](https://openairdocs.org/sdr/LS1R066011), Feb 17, 2000: AUDIO PANEL. FAILED. ICS BOX DOES NOT TRANSMIT.
- [SDR LS1R066010](https://openairdocs.org/sdr/LS1R066010), Feb 17, 2000: AUDIO PANEL. FAILED. ICS BOX DOES NOT TRANSMIT.
- [SDR LS1R065962](https://openairdocs.org/sdr/LS1R065962), Feb 15, 2000: LINEAR ACTUATOR. INOP. LINEAR ACTUATOR IS INOPERATIVE.
- [SDR LS1R065943](https://openairdocs.org/sdr/LS1R065943), Feb 11, 2000: VOLT REGULATOR. SHORTED. VOLTAGE REGULATOR SHORTED OUT.
- [SDR LS1R065941](https://openairdocs.org/sdr/LS1R065941), Feb 11, 2000: CONTROLLER. FAILED. INTERPHONE DOES NOT TRANSMIT.
- [SDR LS1R065936](https://openairdocs.org/sdr/LS1R065936), Feb 11, 2000: VOLT REGULATOR. SHORTED. VOLTAGE REGULATOR SHORTED OUT.
- [SDR AGQA065942](https://openairdocs.org/sdr/AGQA065942), Feb 11, 2000: VOLT REGULATOR. INOPERATIVE. VOLTAGE REGULATOR INOPERABLE. WILL NOT REGULATE.
- [SDR AGQA065935](https://openairdocs.org/sdr/AGQA065935), Feb 11, 2000: VOLT REGULATOR. INOPERATIVE. VOLTAGE REGULATOR INOPERABLE, WILL NOT REGULATE.

All 93: https://openairdocs.org/model/arrow-falcon-uh-1h/reports.md

## STCs that may be installed (OpenAirDocs) (22)

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 SR12332SE](https://openairdocs.org/stc/SR12332SE): Installation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System. Mechanical Specialties, LLC
- [STC SR02796SE](https://openairdocs.org/stc/SR02796SE): Installation of Human External Cargo (HEC) system. Boost Systems LLC
- [STC SH8609SW](https://openairdocs.org/stc/SH8609SW): Fabrication of Isolair Eliminator II Model 4600-205 fire fighting system. Isolair Inc
- [STC SR01776SE](https://openairdocs.org/stc/SR01776SE): Fabrication, installation, and maintenance of the Isolair Helicopters, Inc., Model 9002 High Cross tubes. Isolair Inc
- [STC SR00143DE](https://openairdocs.org/stc/SR00143DE): Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003. Midwest Aerospace TC LLC
- [STC SR02492LA](https://openairdocs.org/stc/SR02492LA): Installation of a Helicopter Technology Company main rotor blade assembly. Helicopter Technology Co
- [STC SR02641SE](https://openairdocs.org/stc/SR02641SE): Installation of a Service Deck. Northwest Heli-Structures Inc
- [STC SR02070SE](https://openairdocs.org/stc/SR02070SE): Fabrication of Dart D205-770-011 Replacement Engine Mount Kit. Dart Aerospace USA Inc
- [STC SR00929SE](https://openairdocs.org/stc/SR00929SE): Fabrication of tail boom mounted strakes. BLR Aerospace LLC
- [STC SR01470SE](https://openairdocs.org/stc/SR01470SE): Fabrication and Installation of Fast Fin System. BLR Aerospace LLC
- [STC SR03408CH](https://openairdocs.org/stc/SR03408CH): Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103. Airwolf Aerospace LLC
- [STC SR02413LA](https://openairdocs.org/stc/SR02413LA): Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000. AKV Inc
- [STC ST04270AT](https://openairdocs.org/stc/ST04270AT): Install the VTOL ASSALT V3 Windscreen Laminate Kit. VTOL LLC
- [STC SR01742NY](https://openairdocs.org/stc/SR01742NY): Installation of extended height landing gear. Dart Aerospace Limited
- [STC SR01196LA](https://openairdocs.org/stc/SR01196LA): Installation of Honeywell (Lycoming) T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13/13B/-13BA engine. Responsible ACO is Los Angeles, NM-L. Minuteman Aviation Inc
- [STC SR02051LA](https://openairdocs.org/stc/SR02051LA): Installation of a VAn Horn Aviation Tail Rotor Blade. Van Horn Aviation LLC
- [STC SR01946SE](https://openairdocs.org/stc/SR01946SE): Installation of the Mechanical Specialties, Model UH606. Mechanical Specialties Inc
- [STC SR09257RC](https://openairdocs.org/stc/SR09257RC): Fabrication, modification, and installation of a new vertical fin spar in accordance with Global Helicopter Technology, Inc., Drawing number VTF-030-800, Revision D, dated March 26, 2001, or later FAA approved revision. Global Spar LLC
- [STC SR00103SE](https://openairdocs.org/stc/SR00103SE): Installation of Aviation Development Corporation oil filter. Aviation Development Corporation
- [STC SR01298NY](https://openairdocs.org/stc/SR01298NY): Installation of replacement crosstubes P/N D212-664. Dart Aerospace Limited
- [STC SR00563NY](https://openairdocs.org/stc/SR00563NY): Installation of Skidtubes and associated saddles. Dart Aerospace Limited
- [STC SR01395NY](https://openairdocs.org/stc/SR01395NY): Installation of adjustable engine mount. Dart Aerospace Limited

## The same model under other registry codes

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

- [Bell UH-1H](https://openairdocs.org/model/bell-uh-1h): 291 registered aircraft, registry code 1181407
- [Garlick Helicopters UH-1H](https://openairdocs.org/model/garlick-helicopters-uh-1h): 7 registered aircraft, registry code 3740005
- [Northwest Rotorcraft UH-1H](https://openairdocs.org/model/northwest-rotorcraft-uh-1h): 6 registered aircraft, registry code 9640002
- [Williams Helicopter UH-1H](https://openairdocs.org/model/williams-helicopter-uh-1h): 6 registered aircraft, registry code 9790870
- [Southwest Florida UH-1H](https://openairdocs.org/model/southwest-florida-uh-1h): 3 registered aircraft, registry code 118141C
- [Bell Helicopter UH-1H (205)](https://openairdocs.org/model/bell-helicopter-uh-1h-205): 3 registered aircraft, registry code 1181430
- [Richards Heavylift Helo UH-1H](https://openairdocs.org/model/richards-heavylift-helo-uh-1h): 2 registered aircraft, registry code 118142G
- [Arrow Falcon Exporters UH-1H](https://openairdocs.org/model/arrow-falcon-exporters-uh-1h): 2 registered aircraft, registry code 1500001
- [Rotorcraft Development UH-1H](https://openairdocs.org/model/rotorcraft-development-uh-1h): 2 registered aircraft, registry code 3741202
- [Western International Avia UH-1H](https://openairdocs.org/model/western-international-avia-uh-1h): 2 registered aircraft, registry code 9640001
- [Precision Helicopters UH-1H](https://openairdocs.org/model/precision-helicopters-uh-1h): 1 registered aircraft, registry code 1181429
- [Lillquist Brien UH-1H](https://openairdocs.org/model/lillquist-brien-uh-1h): 0 registered aircraft, registry code 056244L

---
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.
