# STCs approved under this data sheet: TCDS H4EU A list on [TCDS H4EU](https://openairdocs.org/tcds/H4EU.md). Current certificates first, most recently changed first. Page 1 of 2 · 90 STCs - [STC SR02592AK](https://openairdocs.org/stc/SR02592AK.md): Installation of Precision Support System PSS-AS332SP Sling Pole · Precision Support Services, LLC - [STC SR12023AK](https://openairdocs.org/stc/SR12023AK.md): Installation of Precision Support System PC-A-2550-0001 Cargo Net · Precision Support Services LLC - [STC SR01099DE](https://openairdocs.org/stc/SR01099DE.md): Installation of the GPMS Foresight MX Condition Monitoring System · GPMS International Inc. - [STC SR12402IB](https://openairdocs.org/stc/SR12402IB.md): Manufacture and installation of Heli-One Heated / Motorized Mirror · Heli-One - [STC SR04509CH](https://openairdocs.org/stc/SR04509CH.md): Installation of a Helitak FT4250 Super Puma Fire Tank Liquid Dispensing System · Helitak USA, LLC - [STC SR12132DE](https://openairdocs.org/stc/SR12132DE.md): Installation of Pilot and Co-Pilot Bubble Doors · Precision Support Services, LLC - [STC SR12309LA](https://openairdocs.org/stc/SR12309LA.md): Installation of an engine Inlet Barrier Filter System · Aerometals Inc. - [STC SR02512SE](https://openairdocs.org/stc/SR02512SE.md): Installation of a Supplemental Lighting System; manufactured and installed · Aviation Specialties Unlimited Inc. - [STC SR03395CH](https://openairdocs.org/stc/SR03395CH.md): Installation of Mechanical Specialties Model 6111 Cargo Hook · Precision Support Services LLC - [STC SR12072IB](https://openairdocs.org/stc/SR12072IB.md): Manufacturing and Installation of Cargo Hold Nets; Maintenance must be in accordance with ICARUS Aero Inc. Instructions for Continued Airworthiness as shown on the attached FAA AML No. SR12072IB. · Icarus Aero Inc. - [STC SR02584AK](https://openairdocs.org/stc/SR02584AK.md): Installation of Recoil Aerospace, Inc. T1000-E or T650-E Fire Suppression Tank · Recoil Aerospace Inc. - [STC SR11833IB](https://openairdocs.org/stc/SR11833IB.md): Installation of Garmin GTX Transponder System · Heli Austria GmbH - [STC SR11806IB](https://openairdocs.org/stc/SR11806IB.md): Modified Upper Boom and Gimbal Joint Assemblies · Coldstream Helicopters Ltd. - [STC SR02828LA](https://openairdocs.org/stc/SR02828LA.md): Installation of Precision Support Services' Dual Mission System (DMS) · Precision Support Services LLC - [STC SR04502CH](https://openairdocs.org/stc/SR04502CH.md): Installation of Heli-Preheat Kit, p/n TA3306-1 for 115 volt application in accordance with Heli-Preheat Kit drawing TA3306-1 Revision C, dated December 11, 2023 or later FAA approved revisions and Installation Instruction document # TNH3306 Revision C, dated September 30, 2021 or later FAA approved revisions · HARTZELL PROPELLER LLC - [STC SR02473AK](https://openairdocs.org/stc/SR02473AK.md): Installation of the L-3 Communications NGT-9000R/RD and NGT-9000/D ADS-B IN/OUT system · StandardAero Atlantic USA Inc. - [STC SR02093SE](https://openairdocs.org/stc/SR02093SE.md): UASC CVR 120R Cockpit Voice Recorder System; Rockwell Collins AN/ARC 210 Tactical Comm System; ARTEX C406 N HM SARSAT ELT System; · Erickson Incorporated - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM.md): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, · Precise Flight Inc - [STC SR02089SE](https://openairdocs.org/stc/SR02089SE.md): Installation of the Nine Passenger configuration. · Precision Support Services LLC - [STC SR09930AC](https://openairdocs.org/stc/SR09930AC.md): Installation Rear-View Mirror · Aero-Seats and Systems Inc - [STC SR04436NY](https://openairdocs.org/stc/SR04436NY.md): Installation of VIH Aerospace (VIHA) Cockpit Door Bubble Window · VIH Aerospace Inc - [STC SR04674NY](https://openairdocs.org/stc/SR04674NY.md): Installation of Coldstream Helicopters LH and RH Vertical Reference Windows · Coldstream Helicopters Ltd. - [STC SH4904NM](https://openairdocs.org/stc/SH4904NM.md): Fabrication, installation, and inspection of onboard systems model E-53 cargo hook load cell system. · Onboard Systems - [STC SR01080DE](https://openairdocs.org/stc/SR01080DE.md): Installation of LifePort Triple Litter Stacking System · LifePort LLC - [STC SR02588LA](https://openairdocs.org/stc/SR02588LA.md): Replacement of existing SAFT main Battery models 40208-1, 40208-5, 4308-1 or 4308-1 with Concorde Battery Corporation Valve Regulated Lead Acid (VRLA) Battery models RG-332-1 or RG-332-2 · Concorde Battery Corporation - [STC SR09911AC](https://openairdocs.org/stc/SR09911AC.md): Installation of alternate hoist cable · Breeze Eastern LLC - [STC SR00925DE](https://openairdocs.org/stc/SR00925DE.md): Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality · Peregrine - [STC SR04435NY](https://openairdocs.org/stc/SR04435NY.md): Installation of the Soft Shell Interior Kit · Heli-One - [STC SR04428NY](https://openairdocs.org/stc/SR04428NY.md): Installation of new sponson on main landing gear · TPS AEROSPACE ENGINEERING S.r.l - [STC SR269CH](https://openairdocs.org/stc/SR269CH.md): Install air ambulance unit. · Spectrum Aeromed LLC dba Spectrum Aeromed - [STC SH933NE](https://openairdocs.org/stc/SH933NE.md): Installation of vertical reference doors. · Heli-One - [STC SR00826DE](https://openairdocs.org/stc/SR00826DE.md): Installation of Honeywell Sky Connect Tracker III system · Cert Works LLC - [STC SR03838NY](https://openairdocs.org/stc/SR03838NY.md): Installation of the Soft Shell Interior Kit in accordance with CHT Aerospace Inc. · CHT Aerospace Inc. - [STC SR03786NY](https://openairdocs.org/stc/SR03786NY.md): Installation of Heli-One (Norway) AS's Cockpit Voice Flight Data Recorder Installation · Heli-One (Norway) AS - [STC SR02459SE](https://openairdocs.org/stc/SR02459SE.md): Fabrication of the Simplex Model 516 High-Rise Cannon System · Simplex Manufacturing Company - [STC SR03372CH](https://openairdocs.org/stc/SR03372CH.md): Installation of Single Point Refueling System · Air Center Helicopters Inc - [STC SR02399AK](https://openairdocs.org/stc/SR02399AK.md): Installation of dual Garmin GNS530W/430W system, including Helicopter Terrain Awareness and Warning System (HTAWS) functionality · Vector Aerospace Helicopter Services USA Inc. - [STC SR02159AK](https://openairdocs.org/stc/SR02159AK.md): Installation of AlliedSignal, Inc., GNS-XLS Flight Management system as a primary means of navigation for oceanic/remote operations. · Apical Industries, Inc. dba Dart Aerospace - [STC SR02415AK](https://openairdocs.org/stc/SR02415AK.md): Installation of cockpit voice and data recorder system · Vector Aerospace Helicopter Services USA Inc. - [STC SR00631DE-D](https://openairdocs.org/stc/SR00631DE-D.md): Installation of an AKV, Inc. Dual Engine Cycle Counter · AKV Inc. - [STC SR02405AK](https://openairdocs.org/stc/SR02405AK.md): Installation of Night Vision Goggle (NVG) Compatible Lighting System · Vector Aerospace Helicopter Services USA Inc. - [STC SR03146NY](https://openairdocs.org/stc/SR03146NY.md): Installation of Technisonic TDFM-7300 Transceiver with RC-7300 Remote Control · Heli-One - [STC SR03179CH](https://openairdocs.org/stc/SR03179CH.md): Removal of passenger seating to achieve nine passenger configuration · Construction Helicopters, Inc. - [STC SR03137NY](https://openairdocs.org/stc/SR03137NY.md): Installation of a Universal Avionics UNS-1Fw Flight Management Systems · Heli-One - [STC SR03155NY](https://openairdocs.org/stc/SR03155NY.md): Installation of an Artex C406-N HM ELT System · Heli-One - [STC SR03142NY](https://openairdocs.org/stc/SR03142NY.md): Installation of an Enhanced Ground Proximity Warning System · Heli-One - [STC SR03144NY](https://openairdocs.org/stc/SR03144NY.md): Installation of an AXSYS V9 Camera and Moving Map System · Heli-One - [STC SR03145NY](https://openairdocs.org/stc/SR03145NY.md): Installation of a Tactical Direction Finder · Heli-One - [STC SR03139NY](https://openairdocs.org/stc/SR03139NY.md): Installation of a Technisonic Inter Communication System (ICS) · Heli-One - [STC SR03140NY](https://openairdocs.org/stc/SR03140NY.md): Installation of a Goodrich Electric Hoist P/N 44311-10-7 · Heli-One Next page: https://openairdocs.org/tcds/H4EU/stcs.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = 'H4EU') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/tcds/H4EU/stcs --- 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.