# Bell-Wilco UH-1A

- Type: Aircraft model (FAA registry)
- Registry code: 1181406
- Manufacturer (registry): BELL-WILCO
- Model: UH-1A
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Turbo-shaft
- Seats: 1
- Weight class: Up to 12,499 lb
- Cruise speed: 103 mph
- Certification: Type certificated
- Data sheet: [TCDS H3SO](https://openairdocs.org/tcds/H3SO) (OpenAirDocs)
- Holder: Richards Heavylift Helo Inc.
- Registered aircraft: 0
- Page: https://openairdocs.org/model/bell-wilco-uh-1a

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 2021-15-14](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 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
- [AD 90-10-05](https://openairdocs.org/ad/90-10-05): Tail Rotor Gearbox · Bell Helicopter Textron TH-1L, UH-1E, UH-1L and 17 more. Effective Jun 5, 1990
- [AD 89-08-06](https://openairdocs.org/ad/89-08-06): Transmission Internal Sump Oil Filter · AST UH-1F, TH-1L, UH-1E and 22 more. Effective Feb 7, 1990
- [AD 84-18-03 R1](https://openairdocs.org/ad/84-18-03-R1): Clevis Inspection · California Department of Forestry UH-1F, UH-1B, UH-1A and 6 more. Effective Feb 22, 1985
- [AD 83-03-03](https://openairdocs.org/ad/83-03-03): Tail Boom and Fin · California Department of Forestry UH-1F, UH-1A, UH-1B and 5 more. Effective Mar 14, 1983

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
- [AD 97-20-09 PL](https://openairdocs.org/ad/97-20-09-PL) (historical): Tailboom Vertical Fin Spar · California Department of Forestry UH-1F, UH-1F, TH-1F and 31 more
- [AD 89-17-03](https://openairdocs.org/ad/89-17-03) (historical): Main Rotor Masts · California Department of Forestry UH-1F, TH-1L, UH-1B and 18 more. Effective Sep 5, 1989
- [AD 80-17-09](https://openairdocs.org/ad/80-17-09) (historical): Main Rotor Straps · Bell Helicopter Textron 204B, 205A-1, 212 and 16 more. Effective Sep 15, 1980

## Information bulletins (advisory) (2)

- [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

## 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.

## STCs that may be installed (OpenAirDocs) (10)

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 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 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 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 SR01742NY](https://openairdocs.org/stc/SR01742NY): Installation of extended height landing gear. Dart Aerospace Limited
- [STC SR09313RC](https://openairdocs.org/stc/SR09313RC): Fabrication, modification, and installation of a new vertical fin spar in accordance with Global Helicopter Technology, Inc., Drawing number VTF-030-802, Revision B, dated April 5, 2001, or later FAA approved revision. Global Spar LLC
- [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

## 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.

- [650-430-100-100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199358657120260512112138.0001): MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL EXTERNAL CARGO HOOK /ADEC™HOOK SYSTEM. Mechanical Specialties LLC · PMA PQ2180NM · Modification part · Apr 29, 2026
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142625863420220809130919.0001): Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · May 10, 2022
- [AG844000-23](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184905859220220809102548.0001): Gasket – UHF/VHF Antenna. Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · Modification part · Apr 18, 2022
- [AG844000-15](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104869923320220408135806.0001): Gasket – UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Feb 8, 2022
- [AG728000-52](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124324666720220408135726.0001): Gasket – Satcom Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 26, 2022
- [AG627000-23](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122539252720220408135705.0001): Gasket – Marker Beacon. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 15, 2021
- [AG627000-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175042211520220408140244.0001): Gasket – Marker Beacon Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021
- [AG358000-08](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152518692520220408135818.0001): Gasket – ELT Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021
- [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID403980664020211110110516.0001): Gasket-UHF/VHF. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 9, 2021
- [AG358000-07](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID549772441620210727195145.0001): Gasket – ELT Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 11, 2020
- [AG786000-01](https://drs.faa.gov/browse/excelExternalWindow/F240EB736CAF9B6F86258639004F7BE3.0001): Gasket - StormScope Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 8, 2020
- [AG843000-79](https://drs.faa.gov/browse/excelExternalWindow/7C47B4B54B5941DF862586240047DC8E.0001): Gasket - UHF / AM / IFF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2020
- [AG477000-35](https://drs.faa.gov/browse/excelExternalWindow/CAA7A03C831CF5A78625861F004520E1.0001): Gasket - GPS ANTENNA. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 11, 2020
- [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/44F91AF19B0D8D4586258591003A1785.0001): Gasket - UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 1, 2020
- [AG843000-15](https://drs.faa.gov/browse/excelExternalWindow/445335953945E98886258560003BF2F7.0001): Gasket - VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 18, 2019
- [AG247000-04](https://drs.faa.gov/browse/excelExternalWindow/F4D9B388DAECF53586258553004D4A85.0001): Gasket - L-Band Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jun 25, 2019
- [AG433000-47](https://drs.faa.gov/browse/excelExternalWindow/E2A5A39A5A171734862582A6006802FD.0001): Gasket - L-Band Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · May 3, 2018
- [AG282000-62](https://drs.faa.gov/browse/excelExternalWindow/C9DE9917C774C36D862582A6006802F8.0001): Gasket - DME Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · May 3, 2018
- [AG358000-02](https://drs.faa.gov/browse/excelExternalWindow/AD3E13BFB5D9CCD2862582A6006802FB.0001): Gasket - ELT Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · May 3, 2018
- [AA-204-310-101-101C](https://drs.faa.gov/browse/excelExternalWindow/242318CCBEC41BA6862581F00078FAEA.0001): Tension-Torsion Strap Assembly. Airwolf Aerospace LLC (formerly Airwolf Helicopter) · PMA PQ2684CE · Replaces 204-310-101-101 · Nov 20, 2017
- [AG247000-01](https://drs.faa.gov/browse/excelExternalWindow/88FB643EE7DBEE9A86257F9A006CF489.0001): Gasket - DME/ATC Antenna. Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · Replaces AG247000-01 · Apr 7, 2016
- [AG282000-08](https://drs.faa.gov/browse/excelExternalWindow/5F2401A5DE0023B686257F9A006CF48C.0001): Gasket - DME/TCAS/ Transponder Antenna. Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · Replaces AG282000-08 · Apr 7, 2016
- [VTF-030-802](https://drs.faa.gov/browse/excelExternalWindow/9DE884D8E500065B86257A78004BEA6C.0001): Vertical Fin Spar Installation. Mechanical Specialties LLC · PMA PQ2180NM · Replaces VTF-030-802-001 · Aug 15, 2012
- [01-0771424-25](https://drs.faa.gov/browse/excelExternalWindow/DFC8C9A036093F40862579EC00539710.0001): LED PAR36 Taxi Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-25 · Apr 10, 2012
- [01-0771424-20](https://drs.faa.gov/browse/excelExternalWindow/BD84CA0936FC287C862579EC0053969B.0001): LED PAR36 Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-20 · Apr 10, 2012
- [01-0771424-10](https://drs.faa.gov/browse/excelExternalWindow/3A8EEF8AE12997AF862579EC0053960D.0001): LED PAR36 Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-10 · Apr 10, 2012
- [01-0771424-15](https://drs.faa.gov/browse/excelExternalWindow/2788755BBBD7B122862579EC00539658.0001): LED PAR36 Taxi Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-15 · Apr 10, 2012
- [EH30300-1285](https://drs.faa.gov/browse/excelExternalWindow/E65225125F927CD2862581A100771B36.0001): Brush. Seginus Inc · PMA PQ4083CE · Replaces Goodrich Power Systems P/N 30300-1285 · Dec 19, 2011
- [EH30300-1285](https://drs.faa.gov/browse/excelExternalWindow/1392CCD06DBF6E068625797300520760.0001): Brush. Seginus Inc · PMA PQ4083CE · Replaces Goodrich Power Systems P/N 30300-1285 · Dec 19, 2011
- [EH30300-1285](https://drs.faa.gov/browse/excelExternalWindow/9AA501FFC219AE6E862578720061EF75.0001): Brush. Seginus Inc · PMA PQ4083CE · Replaces Goodrich Power Systems P/N 30300-1285 · Apr 12, 2011
- [EH30300-1285](https://drs.faa.gov/browse/excelExternalWindow/0AC3FED46273C28F86257871006AEDB7.0001): Brush. Seginus Inc · PMA PQ4083CE · Replaces Goodrich Power Systems P/N 30300-1285 · Mar 31, 2011
- [VTF-030-802](https://drs.faa.gov/browse/excelExternalWindow/FD197673C0F065A2852570420058F0B5.0001): Spar, Forward Vertical Fin Installation. Global Helicopter Technology Inc · Modification part · Oct 28, 2001
- [VTF-030-802](https://drs.faa.gov/browse/excelExternalWindow/BA42B8A3196D022A8625736800522DF9.0001): Spar, Forward Vertical Fin Installation. Global Helicopter Technology Inc · PMA PQ0644SW · Modification part · Apr 30, 2001
- [VTF-030-800](https://drs.faa.gov/browse/excelExternalWindow/5C000EC087F5CE658625758D00665519.0001): Spar, Forward, ..Vertical Fin Installation. Global Helicopter Technology Inc · PMA PQ0644SW · Modification part · Feb 22, 2001
- [AA-98040](https://drs.faa.gov/browse/excelExternalWindow/AB2C3828AC8D35898525703B0054722C.0001): Locking Door Hinges. Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) · Modification part · Jun 17, 1999
- [AA-97115](https://drs.faa.gov/browse/excelExternalWindow/D3BBE15B4E1EDC5C8625780200677065.0001): Windows. Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) · PMA PQ1058CE · Modification part · Oct 26, 1997
- [AA-97115](https://drs.faa.gov/browse/excelExternalWindow/49768E6AA7673A278525703B005471BF.0001): Windows. Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) · Modification part · Oct 26, 1997

## The same model under other registry codes

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

- [Wilco UH-1A](https://openairdocs.org/model/wilco-uh-1a): 0 registered aircraft, registry code 9680101

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