# STCs that may be installed: N641LB A list on [N641LB](https://openairdocs.org/aircraft/N641LB.md). Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do. In force first, then newest. Page 1 of 2 · 71 STCs - [STC SA800EA](https://openairdocs.org/stc/SA800EA.md): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies · Whelen Aerospace Technologies - [STC SR01050LA](https://openairdocs.org/stc/SR01050LA.md): Installation of main rotor blades P/N 500P2300-501/503/505 · Helicopter Technology Company - [STC SR00862LA](https://openairdocs.org/stc/SR00862LA.md): Installation of aft belly utility mount. · Airfilm Camera Systems LLC - [STC SR01078LA](https://openairdocs.org/stc/SR01078LA.md): Installation of right side dual utility mount, in accordance with FAA Approved Aero Pacific Master Drawing List for Right Side Dual Utility Mount, MDL 6003, dtd 4/15/00 or later FAA approved revision. · Airfilm Camera Systems LLC - [STC SH2735NM](https://openairdocs.org/stc/SH2735NM.md): Installation of pneumatic door actuators. · Dart Aerospace USA Inc. - [STC SR02808LA](https://openairdocs.org/stc/SR02808LA.md): Installation of MD500 Side Pull Kit · Aerocraft Incorporated - [STC SH5206NM](https://openairdocs.org/stc/SH5206NM.md): Installation of two underfuselage jacking hard points. · Dart Aerospace USA Inc. - [STC SR09178RC](https://openairdocs.org/stc/SR09178RC.md): Installation of a vapor-cycle air conditioning system with a belt driven compressor. · MD Helicopters LLC - [STC SR00314AT](https://openairdocs.org/stc/SR00314AT.md): Installation of engine firewall in Hughes 369 model helicopter · Thoroughbred Aviation Maintenance Inc - [STC SR00450AT](https://openairdocs.org/stc/SR00450AT.md): Installation of a seat pan inspection panel. · Thoroughbred Aviation Maintenance Inc - [STC SR01839AT](https://openairdocs.org/stc/SR01839AT.md): Installation of cyclic friction levers · Thoroughbred Aviation Maintenance Inc. - [STC SR02693LA](https://openairdocs.org/stc/SR02693LA.md): Installation of a redundant system for the primary Cargo Hook system when conducting Human External Cargo (HEC) external loads operations · Onboard Systems International LLC - [STC SH4908NM](https://openairdocs.org/stc/SH4908NM.md): Fabrication of Onboard Systems Model 200-034-00, 200-034-01, and 200-034-02 Load Weigh Kits · Onboard Systems International - [STC SR00525SE](https://openairdocs.org/stc/SR00525SE.md): Fabrication of Onboard Systems Model 200-231-00 and 200-231-01 Cargo Hook Attach Point Kit and installation of these Cargo Hook Attach Point Kits · Onboard Systems International - [STC SR00892SE](https://openairdocs.org/stc/SR00892SE.md): Fabrication of Onboard Systems International Model 200-264-00, 200-264-01, and 200-264-02 Cargo Hook Kits. · Onboard Systems International - [STC SR02001SE](https://openairdocs.org/stc/SR02001SE.md): Fabrication and installation of Model 72448 locking fuel cover assembly · Timberline Aerospace LLC - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings LLC - [STC SR01343NY](https://openairdocs.org/stc/SR01343NY.md): Installation of main rotor blade tie down tips. · VIH Aerospace Inc - [STC SR02124SE](https://openairdocs.org/stc/SR02124SE.md): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality; · Garmin International Inc - [STC SR02728NY](https://openairdocs.org/stc/SR02728NY.md): Installation of Quick Release Mounting Provisions on the right or left side · Dart Aerospace Limited - [STC SA615EA](https://openairdocs.org/stc/SA615EA.md): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. · Whelen Aerospace Technologies - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SH2554NM](https://openairdocs.org/stc/SH2554NM.md): Installation of Modified front window canopy. · The NORDAM Group LLC - [STC SR02586LA](https://openairdocs.org/stc/SR02586LA.md): Installation of Freeflight Systems Radar Altimeter RA-4000 or RA-4500 System with optional FTG-410 Tone Generator · Precision Heli-Support, LLC - [STC SR00864DE](https://openairdocs.org/stc/SR00864DE.md): Installation of Concorde Battery Corporation 24 Ah VRLA Main Battery · Concorde Battery Corporation - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, LLC - [STC SR02493SE](https://openairdocs.org/stc/SR02493SE.md): Installation of a cargo hook · Mechanical Specialties LLC - [STC SR02470AK](https://openairdocs.org/stc/SR02470AK.md): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System · ADS-B Technologies, LLC - [STC SR02471AK](https://openairdocs.org/stc/SR02471AK.md): Installation of the L-3 Communications NGT -9000/9000R ADS-B System · ADS-B Technologies, LLC - [STC SH4909NM](https://openairdocs.org/stc/SH4909NM.md): Replace the aft engine compartment heat blanket with a stainless steel firewall. · Cascade STC LLC - [STC SR01635SE](https://openairdocs.org/stc/SR01635SE.md): Installation of a Supplemental Lighting System · Aviation Specialties Unlimited Inc. - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK.md): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system · Seaplanes North LLC - [STC SR00877SE](https://openairdocs.org/stc/SR00877SE.md): Installation of an engine inlet air filtration system · Aerometals - [STC SR02310SE](https://openairdocs.org/stc/SR02310SE.md): Internal structural provision · Brim Aviation - [STC SR09640RC](https://openairdocs.org/stc/SR09640RC.md): Installation of Night Vision Goggle (NVG) Compatible Lighting System · Aero Dynamix Inc. - [STC SH1383SO](https://openairdocs.org/stc/SH1383SO.md): Manufacture of Nightscanner searchlight kit. · Bell Helicopter Textron Inc. - [STC SR02255SE](https://openairdocs.org/stc/SR02255SE.md): Installation of external cargo racks · Brim Aviation - [STC SH7404SW](https://openairdocs.org/stc/SH7404SW.md): Installation of a crew door window. · Bell Helicopter Textron Inc. - [STC SR01960LA](https://openairdocs.org/stc/SR01960LA.md): Installation of removable seat pans · Aerometals - [STC SR00088AT](https://openairdocs.org/stc/SR00088AT.md): Installation of replacement windshield and windows. · Bell Helicopter Textron Inc. - [STC SH207WE](https://openairdocs.org/stc/SH207WE.md): Installation of range extension fuel tank in cargo area. · ROBERTSON FUEL SYSTEMS LLC - [STC SR02232LA](https://openairdocs.org/stc/SR02232LA.md): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System · Garmin AT Inc. - [STC SR02011SE](https://openairdocs.org/stc/SR02011SE.md): Fabrication of Aerometals, LLC, Transmission Oil Seals in accordance with Master Drawing List Aero-MDL-004, dated November 9, 2009, or later FAA-approved revision; and installation in accordance with the corresponding Aerometals Installation Instructions, as referenced on the continuation page. · Aerometals - [STC SR02043SE](https://openairdocs.org/stc/SR02043SE.md): Fabrication of Aerometals, LLC, Transmission Oil Seals in accordance with Master Drawing List Aero-MDL-004, dated November 9, 2009, or later FAA-approved revision; and installation in accordance with the corresponding Aerometals Installation Instructions, as referenced on the continuation page. · Aerometals - [STC SR02062SE](https://openairdocs.org/stc/SR02062SE.md): Fabrication of a replacement Aerometals Heater Control Valve Assembly in accordance with Aerometals Master Drawing List No. Aero-MDL-007, Revision A, dated February 17, 2010, or later FAA-approved revision; and installation of this assembly in accordance with Aerometals Installation Instructions No. Aero-Inst-008, Revision NC, dated March 27, 2009, or later FAA-accepted revision. · Aerometals - [STC SR01996SE](https://openairdocs.org/stc/SR01996SE.md): Fabrication and installation of an oil tank filler cap assembly in the above model rotor craft · Aerometals - [STC SR02007SE](https://openairdocs.org/stc/SR02007SE.md): Installation of a Brim Aviation cargo rack in accordance with McClenahan Engineering Master Drawing List and Installation Instructions number DM0916-3, revision IR, dated April 21, 2009, or later FAA-approved revision. This modification must be maintained in accordance with Brim Aviation Instructions for Continued Airworthiness number DM0916-9, revision N/C, dated June 17, 2009, or later FAA-accepted revision. · Brim Aviation - [STC SR02008SE](https://openairdocs.org/stc/SR02008SE.md): Installation of a Tech Tools 369/500 bubble window in accordance with Brim Aviation Master Drawing List number BR600-010, revision NC, dated June 1, 2009, or later FAA-approved revision. This modification must be maintained in accordance with Brim Aviation Instructions for Continued Airworthiness number BR600-008, revision N/C, dated June 17, 2009, or later FAA-accepted revision. · Brim Aviation - [STC SR02009SE](https://openairdocs.org/stc/SR02009SE.md): Installation of Brim Aviation tundra pads in accordance with McClenahan Engineering Master Drawing List and Installation Instructions number DM0916-3, revision IR, dated April 21, 2009, or later FAA-approved revision. This modification must be maintained in accordance with Brim Aviation Instructions for Continued Airworthiness number DM0916-8, revision N/C, dated June 17, 2009, or later FAA-accepted revision. · Brim Aviation - [STC SR01924LA](https://openairdocs.org/stc/SR01924LA.md): Installation of a Platinum Aviation cockpit pedestal slant panel · Integrated Flight Systems Next page: https://openairdocs.org/aircraft/N641LB/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 m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model FROM ( SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '3027377' UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03013') GROUP BY stc_number ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number) ORDER BY m.side, s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/aircraft/N641LB/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.