# STCs that may be installed: N105SD A list on [N105SD](https://openairdocs.org/aircraft/N105SD.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. - [STC SR00643SE](https://openairdocs.org/stc/SR00643SE.md): Installation of Geneva Aviation Video System · Turbolyft USA Corporation - [STC SR02301SE](https://openairdocs.org/stc/SR02301SE.md): Installation of Geneva Aviation 28 - 14 VDC Power Converter · AEM USA Inc. - [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 SR01694SE](https://openairdocs.org/stc/SR01694SE.md): Fabrication of Onboard Systems Models 200-302-00 and 200-387-00 Talon LC Hydraulic Cargo Hook Kits without Load Weigh and Models 200-303-00 and 200-388-00 Talon LC Hydraulic Cargo Hook Kits with Load Weigh · Onboard Systems International - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings 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 SR00910SE](https://openairdocs.org/stc/SR00910SE.md): Replacement of the original landing gear skid tubes with DART Model D105-674-011 skid tubes · Dart Aerospace USA 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 SR02475AK](https://openairdocs.org/stc/SR02475AK.md): Installation of the Lexavia Integrated Systems LFS3500 Enhanced Vision System (EVS) on Part 27 Airbus Helicopters equipped with a panel-mounted Multi-Function Display (MFD), primary navigational display or dedicated display with the ability to display video imagery · Lexavia Integrated Systems - [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 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 SR00062NY](https://openairdocs.org/stc/SR00062NY.md): Installation of Emergency Medical Oxygen System · Sikorsky Aircraft Corporation - [STC SH664NE](https://openairdocs.org/stc/SH664NE.md): Installation of a medical interior and life support equipment · Sikorsky Aircraft Corporation - [STC SH5253NM](https://openairdocs.org/stc/SH5253NM.md): Installation of Air Comm Corporation Cabin Heating and Ventilation system · Air Comm Corporation - [STC SR09221RC](https://openairdocs.org/stc/SR09221RC.md): Replacement of main, aft, and supply fuel tanks. · Apical Industries, Inc. dba Dart Aerospace - [STC SR03449NY](https://openairdocs.org/stc/SR03449NY.md): Installation of a Sky Trac ISAT-200 Airborne Position/Data Communicator · Sky Trac Systems Ltd - [STC SR01546SE](https://openairdocs.org/stc/SR01546SE.md): Installation of a Supplemental Lighting System · Aviation Specialties Unlimited Inc. - [STC SR02148AK](https://openairdocs.org/stc/SR02148AK.md): Fabrication and installation of Airglas Engineering Company, Inc., P/N L8500-BO105 ski kit · Airglas Inc. - [STC SR03027CH](https://openairdocs.org/stc/SR03027CH.md): Installation of Air Ambulance Unit in accordance with Ocean Air Master Data List, Report AC-BO105, Revision Original, Dated February 1st 2011 or later FAA Approved Revision. · Ocean Air Aviation - [STC SR00043RD](https://openairdocs.org/stc/SR00043RD.md): Installation of an ECD Superlifter Conversion Kit 105-800331 (main rotor blades, tall rotor blades, and modification to the hydraulic system for a power boost of the collective controls) · Eurocopter Deutschland GmbH - [STC SA2629NM](https://openairdocs.org/stc/SA2629NM.md): Installation of a retractable antenna mechanism and UHF or microwave antenna on right hand skid. · AAR Aircraft Services Inc - [STC SH2629NM](https://openairdocs.org/stc/SH2629NM.md): Install a retractable antenna mechanism and UHF or microwave antenna on right hand skid · AAR Oklahoma Inc - [STC SE00057AT](https://openairdocs.org/stc/SE00057AT.md): Installation of Aeronautical Accessories, Inc., Pc Safety Valve Kit · Bell Helicopter Textron Inc. - [STC SE00014EN](https://openairdocs.org/stc/SE00014EN.md): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. · Pratt & Whitney Engine Services Inc. · Lists 250-C28B - [STC SE00026EN](https://openairdocs.org/stc/SE00026EN.md): Installation of Pratt & Whitney Engine Services Inc. IntelliStart Plus Electronic Control Unit (ECU), P/N DPU-K-010 on specified 250 engine models. · Pratt & Whitney Engine Services Inc. - [STC SE578GL](https://openairdocs.org/stc/SE578GL.md): Installation of a fuel flow transducer. · Shadin Avionics · Lists 250-C28B - [STC ST00037AT](https://openairdocs.org/stc/ST00037AT.md): Unison igniter plugs, P/N 9044400-1. · Unison Industries - [STC SQ00338AT](https://openairdocs.org/stc/SQ00338AT.md): Unison igniter leads, P/N9048222-101, 102, 103, 104, 105, 106. · Unison Industries · Lists 250-C28B ## 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 = '8680965' UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03022') 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/N105SD/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.