# STCs that may be installed: N434SL A list on [N434SL](https://openairdocs.org/aircraft/N434SL.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 · 60 STCs - [STC ST00885LA](https://openairdocs.org/stc/ST00885LA.md): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. · AMETEK AMERON, LLC d/b/a MASS Systems - [STC SR03168CH](https://openairdocs.org/stc/SR03168CH.md): Installation of Heli-Preheat System, P/N TA2584-1 for 115 volt application · Hartzell Propeller LLC - [STC SR12063AK](https://openairdocs.org/stc/SR12063AK.md): Installation of JJASPP Engineering Services Six Place Seating · JJASPP Engineering Services – Alaska LLC - [STC SR04262AT](https://openairdocs.org/stc/SR04262AT.md): Installation of Aerolite Emergency Medical System (EMS) interior P/N 429-0036800-501 · Aerolite America LLC - [STC SR04711NY](https://openairdocs.org/stc/SR04711NY.md): Replacement of Luminator LS400 LED searchlight (steerable landing light) · Sterling Helicopter - [STC SR00532SE](https://openairdocs.org/stc/SR00532SE.md): Installation of Certified Technology quick release door pins. · Certified Technology - [STC SR02806SE](https://openairdocs.org/stc/SR02806SE.md): Installation of dual hook cargo system for carrying Human External Cargo (HEC) and Non-human External Cargo (NHEC) loads, · Onboard Systems International LLC - [STC SR00782DE](https://openairdocs.org/stc/SR00782DE.md): Approval of a seating configuration to allow flight operations with the left hand pilot seat removed · Bell Textron Inc. - [STC SR00791DE](https://openairdocs.org/stc/SR00791DE.md): Installation of the skid-gear mounted step to assist in external hoist operations · Bell Textron Inc. - [STC SR00829DE](https://openairdocs.org/stc/SR00829DE.md): Installation of Baggage Pallet · Bell Textron Inc. - [STC SR04705NY](https://openairdocs.org/stc/SR04705NY.md): Installation of Astronics (Max-Viz) Model 1400 Enhanced Vision System (EVS) · Avio Design Group Inc - [STC SR04213AT](https://openairdocs.org/stc/SR04213AT.md): Installation of a barrier net · Bell Helicopter Textron Inc. - [STC SR04643NY](https://openairdocs.org/stc/SR04643NY.md): Installation of the Floor Protection Kit · Alpine Aerotech LP - [STC SR01079DE](https://openairdocs.org/stc/SR01079DE.md): Installation of the Green Power Monitoring Systems (GPMS) Foresight MX Condition Monitoring System · Green Power Monitoring Systems - [STC SR01068DE](https://openairdocs.org/stc/SR01068DE.md): Installation of External Equipment Mounting Provisions · Fulcrum Concepts 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 SR11247DS](https://openairdocs.org/stc/SR11247DS.md): Installation of Connected Aircraft Interface Residing On-board (CAIRO) System · Bell Helicopter Textron Inc. - [STC SR04489CH](https://openairdocs.org/stc/SR04489CH.md): EMS conversion in accordance with Spectrum Aeromed Master Drawing List 7015DL, Revision: - (Initial), dated June 17, 2020, or later FAA approved revisions. · Spectrum Aeromed LLC dba Spectrum Aeromed - [STC SR00708DE-D](https://openairdocs.org/stc/SR00708DE-D.md): Installation of Enhanced Cockpit Avionics Systems. · Air Methods Corporation - [STC SR03317NY](https://openairdocs.org/stc/SR03317NY.md): Fixed Cabin Step Installation · Dart Aerospace Limited - [STC SR03470NY](https://openairdocs.org/stc/SR03470NY.md): Installation of EMS Equipment P/N 429-0029300-501 in the Cabin · Aerolite AG - [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 SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SR04321NY](https://openairdocs.org/stc/SR04321NY.md): Installation of Deep Snow Kit · Alpine Aerotech LP - [STC SR04174NY](https://openairdocs.org/stc/SR04174NY.md): Installation of the Wearplate Kits · Dart Aerospace Limited - [STC SR02600SE](https://openairdocs.org/stc/SR02600SE.md): Installation of a Supplemental Lighting System manufactured and installed · Aviation Specialties Unlimited Inc. - [STC SR00704DE-D](https://openairdocs.org/stc/SR00704DE-D.md): Installation of Emergency Medical Services Interior and Systems · Air Methods Corporation - [STC SR00812DE](https://openairdocs.org/stc/SR00812DE.md): Installation of Honeywell Sky Connect Tracker III system · Cert Works LLC - [STC SR04029NY](https://openairdocs.org/stc/SR04029NY.md): Installation of Aspire 200 IG SATCOM with Cabin Wi-fi System · EMS Technologies Canada Ltd - [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 SR02943NY](https://openairdocs.org/stc/SR02943NY.md): Installation of EMS Equipment P/N 429020-501 & 429020-502 must be in accordance with Aerolite Max Bucher GMBH Master Document List MDL-10-006, Rev. B dated April 29, 2011. This modification is required to be maintained in accordance with Aerolite Operations Manuals OPM-429020-501, Rev. A, dated March 1, 2011 & OPM-429020-502, dated January 19, 2011, respectively. EASA approved Rotorcraft Flight Manual Supplement FMS-429020-501, Rev. A & FMS429020-502, Rev. 0, respectively, are required with these installation. · Aerolite AG - [STC SR03696NY](https://openairdocs.org/stc/SR03696NY.md): Installation of VIP Cabin Interiors, P/N 6B420000X001-001, consisting of seats layout, entertainment system and life vest provision for P/N 6B422522A004-(XXX) · Mecaer Aviation Group S.p.A. - [STC SR04091CH](https://openairdocs.org/stc/SR04091CH.md): Installation of an air ambulance conversion kit · Med-Pac Inc. - [STC SR03997AT](https://openairdocs.org/stc/SR03997AT.md): Installation of Locking Fuel Cap · Bell Helicopter Textron Inc. - [STC SR04210AT](https://openairdocs.org/stc/SR04210AT.md): Installation of a locking hinge on the baggage door · Turbine Kinetics - [STC SR02377LA](https://openairdocs.org/stc/SR02377LA.md): Airfilm Nose Utility Mount · Airfilm Camera Systems - [STC SR02376LA](https://openairdocs.org/stc/SR02376LA.md): Installation of Airfilm Tail Utility Mount · Airfilm Camera Systems - [STC SR04187AT](https://openairdocs.org/stc/SR04187AT.md): Installation of L-3 Communications Micro Quick Access Recorder (QAR) that records the Flight Data Recorder echo line on flash memory; QAR data can be downloaded via the USB port, or the QAR unit can be removed for flight data analysis · Skybooks, Inc. - [STC SR00692DE](https://openairdocs.org/stc/SR00692DE.md): Installation of a Cabin Heater System Provisions · Air Comm Corporation - [STC SR00693DE](https://openairdocs.org/stc/SR00693DE.md): Installation of a Cabin Air Conditioning System Provisions · Air Comm Corporation - [STC SR03489NY](https://openairdocs.org/stc/SR03489NY.md): Installation of Bear Paw Kit · Alpine Aerotech LP - [STC SR00780DE](https://openairdocs.org/stc/SR00780DE.md): Installation of Tail Rotor Pedal Removal Kit · Laz-Tec, LLC - [STC SR09566RC](https://openairdocs.org/stc/SR09566RC.md): Installation of Night Vision Goggle Compatible Lighting System · Aero Dynamix Inc. - [STC SR02452LA](https://openairdocs.org/stc/SR02452LA.md): Installation of Airfilm Nose Utility Mount Light Kit · Airfilm Camera Systems - [STC SR00716DE](https://openairdocs.org/stc/SR00716DE.md): Installation of Crew Door Assist Handle in accordance with Aeronautical Accessories Drawing List, Report No AA-10134, Revision A, dated February 09, 2011, FAA approved February 16, 2011, or later FAA approved revision. · Bell Helicopter Textron Inc. - [STC SR00739DE](https://openairdocs.org/stc/SR00739DE.md): Installation of Sliding Door Push-out Windows in accordance with Laz-Tec Drawing List, Report No. AA-11062, Revision B, dated November 23, 2011, FAA approved December 19, 2011, or later FAA approved revision. · Bell Helicopter Textron Inc. - [STC SR00740DE](https://openairdocs.org/stc/SR00740DE.md): Installation of Aft Cabin Floor Protectors in accordance with Laz-Tec Drawing List, Report No. AA-11059, Revision B, dated December 07, 2011, FAA approved December 16, 2011, or later FAA approved revision. · Bell Helicopter Textron Inc. - [STC SR00741DE](https://openairdocs.org/stc/SR00741DE.md): Installation of Removable Crew Doors · Bell Helicopter Textron Inc. - [STC SR00743DE](https://openairdocs.org/stc/SR00743DE.md): Installation of structural provisions for a blade fold kit · Paravion Technology Inc - [STC SR02810NY](https://openairdocs.org/stc/SR02810NY.md): The Installation of Hardpoint and Spotter Fixtures · Bell Helicopter Textron Inc. Next page: https://openairdocs.org/aircraft/N434SL/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 = '1182158') 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/N434SL/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, except the copies of manufacturers’ service documents, which belong to their rights holders.