# STCs that may be installed: N109GL

A list on [N109GL](https://openairdocs.org/aircraft/N109GL.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 SR04842NY](https://openairdocs.org/stc/SR04842NY.md): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS) · Sterling Helicopter
- [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 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 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 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 SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, 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 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 SR000291DE](https://openairdocs.org/stc/SR000291DE.md): Installation of Bleed Air Cabin Heating/ Windshield Defroster System · Air Comm 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 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 SH3754SW](https://openairdocs.org/stc/SH3754SW.md): Installation of DeVore forward facing recognition lights. · DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SR01104NY](https://openairdocs.org/stc/SR01104NY.md): Installation of a Spectrolab SX-5 Searchlight on the right side of the A109C. · Agusta Aerospace Corporation
- [STC SH3811NM](https://openairdocs.org/stc/SH3811NM.md): Install a combination attendant seat and patient litter kit assembly. · Aero Credit Company Inc
- [STC SR01844AT](https://openairdocs.org/stc/SR01844AT.md): Installation of Tail Rotor Pedal Lockout Kit. · Bell Helicopter Textron Inc.
- [STC SH638NE](https://openairdocs.org/stc/SH638NE.md): Installation of Parker Model 2C35-3 fuel tank mounted auxiliary fuel boost pumps to be used interchangeably with the standard Agusta P/N 109-0611-53-1 electric fuel pumps. · Parker Hannifin Corp
- [STC SR09200RC](https://openairdocs.org/stc/SR09200RC.md): Installation of a rotor dynamics americas, inc RDA 3303 airborne vibration Monitoring system. · Rotor Dynamics Americas
- [STC SR00291DE](https://openairdocs.org/stc/SR00291DE.md): Installation of bleed air cabin heating/windshield defroster system. · Air Comm Corporation
- [STC SH728NE](https://openairdocs.org/stc/SH728NE.md): Installation of lightweight freon air conditioning system. · Advanced Flight System, Inc
- [STC SH758NE](https://openairdocs.org/stc/SH758NE.md): Emergency medical service (EMS) interior kit installation. · Custom Aircraft Completions, Inc
- [STC SR00201NY](https://openairdocs.org/stc/SR00201NY.md): Installation of Bendix/King EFIS EFS-40. · Agusta Aerospace Corporation
- [STC SH701NE](https://openairdocs.org/stc/SH701NE.md): Installation of crew and cabin doors. · Agusta Aerospace Corporation
- [STC SE5511NM](https://openairdocs.org/stc/SE5511NM.md): Installation of compressor discharge pressue (PC) valve. · 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.
- [STC SE00027EN](https://openairdocs.org/stc/SE00027EN.md): Installation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models. · Pratt & Whitney Engine Services Inc.
- [STC SE492GL](https://openairdocs.org/stc/SE492GL.md): Incorporation of a fuel flow transducer. · Shadin Avionics
- [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

## 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 = '0260118'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '54184')
  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/N109GL/stcs

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