# STCs that may be installed: N2EN A list on [N2EN](https://openairdocs.org/aircraft/N2EN.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 · 63 STCs - [STC SR01943NY](https://openairdocs.org/stc/SR01943NY.md): Installation of an Enhanced Ground Proximity Warning System (EGPWS). · Leonardo Helicopters US Corporation - [STC SR02150NY](https://openairdocs.org/stc/SR02150NY.md): Installation of an Enhanced Vision System (EVS-1000). · Leonardo Helicopters US Corporation - [STC SR02752NY](https://openairdocs.org/stc/SR02752NY.md): Installation of a Garmin GNS430W System · Leonardo Helicopters US Corporation - [STC SR03138NY](https://openairdocs.org/stc/SR03138NY.md): Revised the low limit of the normal operating envelope of the rotorcraft for cold weather operation to allow operation at minimum ambient air temperature of -35 C (-31 F) · Leonardo Helicopters US Corporation - [STC SR04842NY](https://openairdocs.org/stc/SR04842NY.md): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS) · Sterling Helicopter - [STC SR00824DE](https://openairdocs.org/stc/SR00824DE.md): Installation of an Emergency Medical Services Interior and alternate cabin seating interior configurations · AMS Heli Design - [STC SR04195CH](https://openairdocs.org/stc/SR04195CH.md): Installation of Heli-Preheat Kit, P/N TA3134-1 for 115-volt application · Hartzell Propeller LLC - [STC SR00182IB](https://openairdocs.org/stc/SR00182IB.md): Installation of the Avidyne Integrated Flight Display (IFD) Navigator(s) · Horizon Design Services Ltd. - [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 SR04557AT](https://openairdocs.org/stc/SR04557AT.md): Cabin and crew floor protector installations · Helifab East LLC - [STC SR00084IB](https://openairdocs.org/stc/SR00084IB.md): Installation of Alternative Inflation System for Emergency Flotation System · SAAB AKTIEBOLAG - [STC SR01456LA](https://openairdocs.org/stc/SR01456LA.md): Installation of Concorde RG407 Batteries · Rotorcraft Support Inc - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings LLC - [STC SR01970NY-D](https://openairdocs.org/stc/SR01970NY-D.md): Installation of a Honeywell Chadwick Model 15175 VXP System. · Diagnostic Solution International LLC - [STC SR01052DE](https://openairdocs.org/stc/SR01052DE.md): Installation of Non-Aviation Band FM Radio Systems · Cert Works LLC - [STC SR01476SE](https://openairdocs.org/stc/SR01476SE.md): Installation of a Supplemental Lighting System. · Aviation Specialties Unlimited Inc. - [STC SR04453CH](https://openairdocs.org/stc/SR04453CH.md): Installation of Appareo Systems LLC Stratus ES & Stratus ESG ADS-B transponder · Appareo Systems LLC - [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 SR04390CH](https://openairdocs.org/stc/SR04390CH.md): Installation of an Electronic Flight Instrument System (EFIS) in accordance with StandardAero Master Data List 1036284, Revision (B), dated June 5, 2019 or later FAA approved revision. · StandardAero Business Aviation Services LLC - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SR01525NY](https://openairdocs.org/stc/SR01525NY.md): Installation of an Emergency Medical System (EMS). · LifePort LLC - [STC SR01816LA](https://openairdocs.org/stc/SR01816LA.md): Installation of a Medical Stretcher. · LifePort LLC - [STC SR01865LA](https://openairdocs.org/stc/SR01865LA.md): Installation of an Emergency Medical Rescue Stretcher. · LifePort LLC - [STC SR00814DE](https://openairdocs.org/stc/SR00814DE.md): Installation of Garmin Helicopter Terrain Awareness and Warning System (HTAWS) · Cert Works LLC - [STC SR01812LA](https://openairdocs.org/stc/SR01812LA.md): Installation of Apical Industries, Inc. Emergency Float Kit. · Apical Industries Inc. dba Dart Aerospace - [STC SR02257CH](https://openairdocs.org/stc/SR02257CH.md): Install air ambulance conversion · Snaky Creek Enterprises LLC dba Spectrum Aeromed - [STC SR02894CH](https://openairdocs.org/stc/SR02894CH.md): Install EMS ITS Deck with the Factory EMS Interior · Spectrum Aeromed LLC dba Spectrum Aeromed - [STC SR02258SE](https://openairdocs.org/stc/SR02258SE.md): Installation of a tail rotor pedal lockout kit · Dart Aerospace USA Inc. - [STC SR02377AK](https://openairdocs.org/stc/SR02377AK.md): Installation of a fixed mounted Max-Viz Enhanced Vision System (EVS) Model 1500 to include a sensor Line Replaceable Unit (LRU) with conformal housing, power supply, Detached Electrical Box (DEB) and a glareshield-mounted, dedicated display monitor. · Avio Design Group Inc - [STC SR00860DE](https://openairdocs.org/stc/SR00860DE.md): Installation of Teledyne Battery Products Valve-Regulated Lead-Acid · Teledyne Battery Products - [STC SR03055CH](https://openairdocs.org/stc/SR03055CH.md): Installation of Flight Data Monitoring System · MSP Aero LLC - [STC SR00812DE](https://openairdocs.org/stc/SR00812DE.md): Installation of Honeywell Sky Connect Tracker III system · Cert Works LLC - [STC SR02988CH](https://openairdocs.org/stc/SR02988CH.md): Installation of Inlet Barrier Filter system in accordance with Aerospace Filtration Systems, Inc. Drawing 124001-010, Revision C, dated May 26, 2011, or later FAA approved revision. · Donaldson Company Inc. - [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 SR00856DE](https://openairdocs.org/stc/SR00856DE.md): Certification of Honeywell MK XXI Helicotper Terrain Awareness and Warning System · Cert Works LLC - [STC SR00060DE](https://openairdocs.org/stc/SR00060DE.md): Installation of Belt-Driven Vapor Cycle Air Conditioning System Kit P/N A109-00-011 with dual condenser blower configuration · RSG Products Inc - [STC SR09438RC](https://openairdocs.org/stc/SR09438RC.md): Installation of Night Vision Goggle Compatible Lighting System. · Aero Dynamix 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 SR01124NY-D](https://openairdocs.org/stc/SR01124NY-D.md): Installation of an Aeromedical Liquid Oxygen System. · Sikorsky Aircraft Corporation - [STC SR03478NY](https://openairdocs.org/stc/SR03478NY.md): Modification of EMS interior to allow primary litter to be installed diagonally across the cabin · AgustaWestland Philadelphia Corporation - [STC SH4676SW](https://openairdocs.org/stc/SH4676SW.md): Installation of Tail Rotor Floodlights on the upper surface of the horizontal stabilizer · DeVore Aviation Corporation of America, a New Mexico Corporation - [STC SR09360RC](https://openairdocs.org/stc/SR09360RC.md): Installation of Concorde Battery Model RG-407, Valve regulated sealed lead acid battery. · Concorde Battery Corporation - [STC SH2458SO](https://openairdocs.org/stc/SH2458SO.md): Installation of FLIR Systems, Inc., Model 2000/2500 Series Thermal Imager System · Bell Helicopter Textron Inc. · Lists A109 Series - [STC SR02139SE](https://openairdocs.org/stc/SR02139SE.md): Fabrication of Onboard Systems Model 200-355-00 and 200-369-00 Cargo Hook Fixed Provision Kits, Model 200-356-00 Cargo Hook Suspension Kit, and Model 200-357-00 Load Weigh Kit, in accordance with FAA Approved Onboard Systems Master Drawing List No. 155-160-00, Revision 2, dated September 27, 2011, or later FAA approved revision. Installation of the Onboard Systems Model 200-355-00, 200-356-00, 200-357-00, or 200-369-00 kits in accordance with FAA approved Onboard Systems Owners Manual 120-141-00, Revision 0, dated April 25, 2011, or later FAA approved revision. This modification must be inspected and maintained in accordance with section ATA 5 of FAA approved Onboard Systems Instructions for Continued Airworthiness Document 123-036-00, Revision 0, dated May 5, 2011, or later FAA approved revision, and Onboard Systems Cargo Hook · Onboard Systems International - [STC SR02232LA](https://openairdocs.org/stc/SR02232LA.md): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System · Garmin AT Inc. - [STC SR01963AT](https://openairdocs.org/stc/SR01963AT.md): Manufacture of Replacement Windshields. · Bell Helicopter Textron Inc. - [STC SR02709NY](https://openairdocs.org/stc/SR02709NY.md): Installation of a Honeywell EVXP Health and Use Monitoring System (HUMS) and Helicopter Operations Monitoring Program (HOM) on an Agusta A109E Helicopter. · Agusta Aerospace Corporation - [STC SR02189NY](https://openairdocs.org/stc/SR02189NY.md): Iinstallation of SkyTrac ISAT-100 Airborne Position/Data Communicator System. · SkyTrac Systems Ltd. - [STC SR00227BO](https://openairdocs.org/stc/SR00227BO.md): Installation of Altair Avionics Corporation Digital Aircraft Data Acquisition System ADASd · Pratt & Whitney Engine Services Inc. - [STC SR00232BO](https://openairdocs.org/stc/SR00232BO.md): Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU). · Pratt & Whitney Engine Services Inc. Next page: https://openairdocs.org/aircraft/N2EN/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 = '0260101' UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52160') 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/N2EN/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.