# TCDS H6SW: McDermott 214 Holdings, LLC - Type: Type certificate data sheet - Status: Current - Holder: McDermott 214 Holdings, LLC - Revision: 10 - Revised: September 3, 2026 - Product: Aircraft, Rotorcraft - Certification basis: Part 29 - Registered aircraft: 11, by the registry models matched to it (OpenAirDocs) - Data sheet PDF: https://openairdocs.org/files/sha256/61/1a/611aa45c849a1768048479429574824661b2dd96cc3b16b12c9605699b759fc3 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111932906920261019155057.0001 - Page: https://openairdocs.org/tcds/H6SW ## Models (2) As the data sheet lists them. - 214B - 214B-1 ## ADs (27, in force first) - [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 2020-16-10](https://openairdocs.org/ad/2020-16-10): Cabin Equipment/Furnishings · Bell Textron 204B, 205A, 205A-1 and 7 more. Effective Sep 3, 2020 - [AD 2014-12-01](https://openairdocs.org/ad/2014-12-01): Tail Rotor Drive Bearing · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Jul 14, 2014 - [AD 2013-19-05](https://openairdocs.org/ad/2013-19-05): JASC Code: 6330, Transmission Mount · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Nov 5, 2013 - [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51): Equipment/Furnishings · Agusta A109, A109A, A109A II and 43 more. Effective Jul 15, 2013 - [AD 2002-22-14](https://openairdocs.org/ad/2002-22-14): Main rotor tension-torsion (TT) straps · Bell Helicopter Textron 204B, 205A, 205A-1 and 4 more. Effective Dec 13, 2002 - [AD 2001-03-03](https://openairdocs.org/ad/2001-03-03): Main Rotor Outboard Strip Fitting Assemblies · Bell Helicopter Textron 214B and 214B-1. Effective Feb 28, 2001 - [AD 99-05-07](https://openairdocs.org/ad/99-05-07): Pillow Block Bearing Bolts · Bell Helicopter Textron 214B and 214B-1. Effective May 3, 1999 - [AD 99-02-17](https://openairdocs.org/ad/99-02-17): Tail Rotor Yoke Assembly · Bell Helicopter Textron 214B and 214B-1. Effective Feb 10, 1999 - [AD 98-23-18](https://openairdocs.org/ad/98-23-18): Kaynar Tech. Manufactured Barrel Nut · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Nov 30, 1998 - [AD 98-18-01](https://openairdocs.org/ad/98-18-01): Main Rotor Trunnion · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Sep 29, 1998 - [AD 97-15-04](https://openairdocs.org/ad/97-15-04): Main Transmission Upper Planetary Carrier · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Aug 19, 1997 - [AD 97-06-02](https://openairdocs.org/ad/97-06-02): Lower Planetary Spider · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Apr 16, 1997 - [AD 93-21-10](https://openairdocs.org/ad/93-21-10): Main Rotor Yoke Assembly · Bell Helicopter Textron 214B and 214B-1. Effective Jan 18, 1994 - [AD 87-11-06](https://openairdocs.org/ad/87-11-06): Locking Plates · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective May 26, 1987 - [AD 85-18-06](https://openairdocs.org/ad/85-18-06): Main Rotor Drag Brae Assembly · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Apr 20, 1987 - [AD 86-20-06](https://openairdocs.org/ad/86-20-06): Main Rotor Drag Brace Assembly · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Oct 18, 1986 - [AD 82-06-07](https://openairdocs.org/ad/82-06-07): Tail Rotor Yoke · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Apr 12, 1982 - [AD 81-12-03](https://openairdocs.org/ad/81-12-03): Spindle Retention Bolts · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Jun 11, 1981 - [AD 81-02-10](https://openairdocs.org/ad/81-02-10): Clutch Assembly · Bell Helicopter Textron 214B and 214B-1. Effective Jan 26, 1981 - [AD 77-17-05](https://openairdocs.org/ad/77-17-05): Emergency Exit Latch Pin · Bell Helicopter Textron 204B, 205A-1, 212 and 2 more. Effective Jul 17, 1978 - [AD 78-08-08](https://openairdocs.org/ad/78-08-08): Tail Fin Spar · Bell Helicopter Textron 214B and 214B-1. Effective Apr 21, 1978 - [AD 77-03-04](https://openairdocs.org/ad/77-03-04): Fuselage Splice Fitting · Bell Helicopter Textron 214B and 214B-1. Effective Feb 14, 1977 - [AD 84-05-51](https://openairdocs.org/ad/84-05-51): Collective Sleeves · Bell Helicopter Textron 214B, 214B-1 and 214ST - [AD 85-23-05](https://openairdocs.org/ad/85-23-05): Collective Sleeve · Bell Helicopter Textron 214B, 214B-1 and 214ST - [AD 2013-11-05](https://openairdocs.org/ad/2013-11-05) (historical): Tail rotor hanger bearing · Bell Helicopter Textron 214B, 214B-1 and 214ST. Effective Jun 19, 2013 - [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 ## Registered aircraft by registry model (OpenAirDocs) - [Bell 214B-1](https://openairdocs.org/model/bell-214b-1): 9 aircraft (registry code 1182105) - [Bell 214B](https://openairdocs.org/model/bell-214b): 2 aircraft (registry code 1182100) ## STCs approved under this data sheet (80, first 50) - [STC SR02484SE](https://openairdocs.org/stc/SR02484SE): Installation of ISOLAIR Fire Fighting System 4600-214B. McDermott Aviation 214 Holdings, LLC - [STC SR02611SE](https://openairdocs.org/stc/SR02611SE): Installation of a High Skid Cross Tube Landing Gear. McDermott Aviation 214 Holdings, LLC - [STC SR02270SE](https://openairdocs.org/stc/SR02270SE): Fabrication and installation of Geneva Aviation Audio System. AEM USA Inc. - [STC SR02444SE](https://openairdocs.org/stc/SR02444SE): Installation of P178 Failsafe Audio Mixer. AEM USA Inc. - [STC SR04465NY](https://openairdocs.org/stc/SR04465NY): Installation of the iPad Mount. Avio Design Group Inc - [STC SR00213IB](https://openairdocs.org/stc/SR00213IB): Modification of Swashplate Inner Ring Assembly. McDermott Aviation Ltd. - [STC SR00145IB](https://openairdocs.org/stc/SR00145IB): Installation of LH and RH Vertical Reference Door(s). Transwest Helicopters Ltd. - [STC SR02491AK](https://openairdocs.org/stc/SR02491AK): Reduction / Limitation of passenger seats to nine (9) or less. WSH, 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 SH400NW](https://openairdocs.org/stc/SH400NW): Installation of left hand bubble door with or without duplicate engine instruments. WSH, LLC - [STC SR04772NY](https://openairdocs.org/stc/SR04772NY): Manufacturing and Installation of Legacy Helicopter Maintenance (LHM) Improved Transmission Spindle. Legacy Helicopter Maintenance Ltd - [STC SR01903NY](https://openairdocs.org/stc/SR01903NY): Installation of a modified co-pilot seat.. Transwest Helicopters Ltd - [STC SR00408SE](https://openairdocs.org/stc/SR00408SE): Fabrication of Onboard Systems Model E-62 Cargo Hook Load Weigh System. Onboard Systems International LLC - [STC SR04588NY](https://openairdocs.org/stc/SR04588NY): Replacement Cabin Floor Panels. Trinity Aviation Services Limited - [STC SR04517NY](https://openairdocs.org/stc/SR04517NY): The Forward and Aft Crew Door Rod Assembly Replacement. Transwest Helicopters Ltd - [STC SR04403NY](https://openairdocs.org/stc/SR04403NY): Installation of the Trig Avionics TT22 ADS-B Transponder System. Maxcraft Avionics Ltd. - [STC SR04404NY](https://openairdocs.org/stc/SR04404NY): Installation of the Trig Avionics TY92 VHF Communications System. Maxcraft Avionics Ltd. - [STC SR04357NY](https://openairdocs.org/stc/SR04357NY): Installation of Modified Elevator Horn. McDermott Aviation Ltd. - [STC SR04358NY](https://openairdocs.org/stc/SR04358NY): Installation of Cargo Hook Modification. Legacy Helicopter Maintenance Ltd - [STC SR00939NY](https://openairdocs.org/stc/SR00939NY): Installation of Vertical Reference Door with left seat operation provisions.. Dart Aerospace Ltd. - [STC SR00957NY](https://openairdocs.org/stc/SR00957NY): Installation of external cargo hook release system for co-pilot position.. Dart Aerospace Ltd. - [STC SR01446NY](https://openairdocs.org/stc/SR01446NY): Installation of Serviceability Kit: Auxiliary cowl latches, cockpit door wear pads and cabin door handle.. Dart Aerospace Ltd. - [STC SR02094NY](https://openairdocs.org/stc/SR02094NY): Installation of GPS Receiver and Gimbal Mount System.. Dart Aerospace Ltd. - [STC SR04118NY](https://openairdocs.org/stc/SR04118NY): Installation of Transmission Restraint Replacement. McDermott Aviation Ltd - [STC SR02772NY](https://openairdocs.org/stc/SR02772NY): Installation of Bear Paw kits. Alpine Aerotech LP - [STC SR02868NY](https://openairdocs.org/stc/SR02868NY): Installation of Exterior Door Handle Kits. Alpine Aerotech LP - [STC SR02413LA](https://openairdocs.org/stc/SR02413LA): Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000. AKV Inc. - [STC SR02289LA](https://openairdocs.org/stc/SR02289LA): Installation of Apical Industries, Inc. Cable Cutters Kit.. Apical Industries, Inc. dba Dart Aerospace - [STC ST04270AT](https://openairdocs.org/stc/ST04270AT): Install the VTOL ASSALT V3 Windscreen Laminate Kit. VTOL LLC - [STC SR02407SE](https://openairdocs.org/stc/SR02407SE): Installation of Geneva Aviation 28 - 14 VDC Power Converter. AEM USA Inc. - [STC SR00798DE](https://openairdocs.org/stc/SR00798DE): Installation of Torque Meter Junction Box Relocation. Erickson Incorporated - [STC SR03371CH](https://openairdocs.org/stc/SR03371CH): Installation of NASI Supplemental Air Conditioning Module. National Aircraft Service Inc - [STC SR02707NY](https://openairdocs.org/stc/SR02707NY): Installation of Marathon PC-251 or KGS SPC-10 Solid State Inverters. Rilpa Enterprises, Ltd - [STC SR01742NY](https://openairdocs.org/stc/SR01742NY): Installation of extended height landing gear.. Dart Aerospace Limited - [STC SR03339NY](https://openairdocs.org/stc/SR03339NY): Installation of Latitude Technologies IONODE Flight Data Monitoring System. Latitude Technologies Corporation - [STC SR02843NY](https://openairdocs.org/stc/SR02843NY): Installation of Sliding Door Pop Out Windows. Alpine Aerotech LP - [STC SH3312SO](https://openairdocs.org/stc/SH3312SO): Manufacture of replacement windows.. Bell Helicopter Textron Inc. - [STC SH3314SO](https://openairdocs.org/stc/SH3314SO): Installation of pushout window assembly.. Bell Helicopter Textron Inc. - [STC SH3712SW](https://openairdocs.org/stc/SH3712SW): Installation of replacement windshield.. Bell Helicopter Textron Inc. - [STC SR00180AT](https://openairdocs.org/stc/SR00180AT): Installation of replacement door handle.. Bell Helicopter Textron Inc. - [STC SR03044NY](https://openairdocs.org/stc/SR03044NY): Installation of Skid Tube Rub Strips. Alpine Aerotech Ltd - [STC SH261WE](https://openairdocs.org/stc/SH261WE): Installation of an external load attachment mechanism in accordance with FAA Approved USDA Forest Service Master Drawing List and Rotorcraft Flight Manual Supplements, per Approved Model List SH261WE, and all subsequent FAA approved revisions to these documents.. USDA Forest Service - [STC SR09579RC](https://openairdocs.org/stc/SR09579RC): : Installation of Cabin Area Cargo Net. Helifab Inc - [STC SH3722NM](https://openairdocs.org/stc/SH3722NM): Installation of closed circuit refueling reciever P/N 750000-5.. H R Textron Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories.. Electronics International Inc. - [STC SR02692NY](https://openairdocs.org/stc/SR02692NY): Installation of Protective Trim Kits. Dart Aerospace Limited - [STC SR02683NY](https://openairdocs.org/stc/SR02683NY): The installation of the SkyTrax3 Asset Tracking System must be performed. GMC Guardian Mobility Corporation - [STC SH464NW](https://openairdocs.org/stc/SH464NW): Incorporation of a weighing system for external load operations.. Measurement Systems Intl Inc - [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 All 80: https://openairdocs.org/tcds/H6SW/stcs.md --- 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.