# STCs that may be installed: N642

A list on [N642](https://openairdocs.org/aircraft/N642.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 · 81 STCs

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE.md): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). · Garmin International Inc.
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY.md): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights · AeroLED's Holdings, LLC
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D.md): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System · Garmin International Inc.
- [STC SA02679SE](https://openairdocs.org/stc/SA02679SE.md): Increase in gross weight to 12,500 pounds · Snow Goose Aviation LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE.md): Installation of Garmin GI 275 Multi-Function Display System · Garmin International Inc.
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY.md): The HIPEC Covering and Finishing System must be performed and maintained · HIPEC Aircraft Coatings Inc.
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI.md): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. · Garmin International Inc
- [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201.md): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System · Garmin International Inc.
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK.md): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems · Seaplanes North LLC
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO.md): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes · Avidyne Corporation
- [STC SA00343BO](https://openairdocs.org/stc/SA00343BO.md): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release) · Avidyne Corporation
- [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201.md): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version), · Avidyne Corporation
- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE.md): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. · Andrew D. Humphrey
- [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201.md): Installation of Garmin GDL 88 ADS-B UAT Transceiver System · Garmin International Inc
- [STC SA02121SE](https://openairdocs.org/stc/SA02121SE.md): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System · Garmin International Inc
- [STC ST02540AT-D](https://openairdocs.org/stc/ST02540AT-D.md): Installation of replacement fuel tank sealant system · FFC Manufacturing
- [STC SA593CH](https://openairdocs.org/stc/SA593CH.md): Install Champion SlickSTART magneto booster system. · Champion Aerospace LLC
- [STC SA1751WE](https://openairdocs.org/stc/SA1751WE.md): Increase in main fuel tank capacity to 336 gallons. · Atlantic Coast Sea Planes LLC
- [STC SA1320WE](https://openairdocs.org/stc/SA1320WE.md): G-21C: Installation of two United Aircraft of Canada Drawing List Model PT6A-20 engines. G-21D: installation of two United Aircraft of Canada Ltd Model PT6A-20 engines, Alvarez-Calderon wing flaps, and related changes. · Atlantic Coast Sea Planes LLC
- [STC SA02168AK](https://openairdocs.org/stc/SA02168AK.md): Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated. · Avalaska Inc
- [STC SA3494SW-D](https://openairdocs.org/stc/SA3494SW-D.md): Installation of a century automatic flight system. · Century Flight Systems Inc
- [STC SA1351WE](https://openairdocs.org/stc/SA1351WE.md): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12) · Ceconite Inc
- [STC SA02153LA-D](https://openairdocs.org/stc/SA02153LA-D.md): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System · Garmin International Inc
- [STC SE12225AC](https://openairdocs.org/stc/SE12225AC.md): This STC will incorporate P&W 1700 rpm propeller reduction gearbox on P&WC engines to allow 1700 rpm propeller installation · High Cotton Aircraft Conversions, LLC · Lists PT6A-41
- [STC SE00010EN](https://openairdocs.org/stc/SE00010EN.md): Instructions for Continued Airworthiness for the PT6A-25, and, -25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company Inc · Lists PT6A-25
- [STC SE000010EN](https://openairdocs.org/stc/SE000010EN.md): Instructions for Continued Airworthiness for the PT6A-25 and PT6A-25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company, Inc. · Lists PT6A-25
- [STC SE000011EN](https://openairdocs.org/stc/SE000011EN.md): Instructions for Continued Airworthiness for the PT6A-25C engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company, Inc. · Lists PT6A-25C
- [STC SE00001EN](https://openairdocs.org/stc/SE00001EN.md): Engines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 2, 8/16/95. · MORE Company Inc · Lists PT6A-38
- [STC SE00002EN](https://openairdocs.org/stc/SE00002EN.md): Instructions for Continued Airworthiness for the PT6A-34, -34AG, -34B, -36, -114, -114A, -116, -135, and -135A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company Inc · Lists PT6A-114
- [STC SE00003EN](https://openairdocs.org/stc/SE00003EN.md): Instructions for Continued Airworthiness for the PT6A-6/C20, -20, -20A and, -20B engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company Inc · Lists PT6A-20
- [STC SE00004EN](https://openairdocs.org/stc/SE00004EN.md): Instructions for Continued Airworthiness for the PT6A-11, -11AG, -15AG, -110 and-112 engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company Inc · Lists PT6A-11
- [STC SE00006EN](https://openairdocs.org/stc/SE00006EN.md): Instructions for Continued Airworthiness for the PT6A-45A, -45B, and, -45R engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company Inc · Lists PT6A-45A
- [STC SE00011EN](https://openairdocs.org/stc/SE00011EN.md): Instructions for Continued Airworthiness for the PT6A-25C engine model that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. · MORE Company Inc · Lists PT6A-25C
- [STC SE000EN](https://openairdocs.org/stc/SE000EN.md): Engines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 4, dated 8/16/95. · MORE Company Inc · Lists PT6A-21
- [STC SE10947SC](https://openairdocs.org/stc/SE10947SC.md): The conversion of the Pratt & Whitney Canada, Model PT6A-21 to a PT6A-28 turboprop engine · Prime Turbines · Lists PT6A-21
- [STC SE00482SE](https://openairdocs.org/stc/SE00482SE.md): Incorporation of turbine engine into a twin power section turboprop assembly. · Fifty-Ten-Yankee LLC · Lists PT6A-114A
- [STC SE10552SC](https://openairdocs.org/stc/SE10552SC.md): Conversion of Pratt & Whitney Canada Corp. Model PT6A-27 or -28 to a Model PT6A-34 turboprop engine. · Prime Turbines LLC · Lists PT6A-27
- [STC SE11139SC](https://openairdocs.org/stc/SE11139SC.md): The conversion of the Pratt & Whitney Canada, Model PT6A-135 to a PT6A-135A turboprop engine · Airforce Turbine Service · Lists PT6A-135
- [STC SE11141SC](https://openairdocs.org/stc/SE11141SC.md): The conversion of the Pratt & Whitney Canada, Model PT6A-15AG to a PT6A-34AG turboprop engine · RT Turbines Inc · Lists PT6A-15AG
- [STC SE02170AT](https://openairdocs.org/stc/SE02170AT.md): Installation of Pc Safety Valve Kit · Bell Helicopter Textron Inc. · Lists PT6A-27
- [STC SE11095SC](https://openairdocs.org/stc/SE11095SC.md): The conversion of the Pratt & Whitney Canada, Model PT6A-27 to a PT6A-34 turboprop engine · R.T. Turbines, Inc. · Lists PT6A-27
- [STC SE01624WI](https://openairdocs.org/stc/SE01624WI.md): Conversion of Pratt & Whitney Canada, Model PT6A-60A to a North Star Aviation PT6A-60AG turboprop engine. Data required: 1. A copy of this certificate 2. North Star Aviation document, NSA No. 1200, Turboprop Engine Conversion of PT6A-60A Model to PT6A-60AG Configuration per FAA Approved STC, dated March 15, 2011, or later FAA approved revision 3. The ICA supplement for North Star Aviation PT6A-60AG models, Instructions for Continued Airworthiness, NSA No. 1200-ICA, Rev NC, dated March 9, 2011 or later applicable revision. · North Star Aviation Inc. · Lists PT6A-60A
- [STC SE02837NY](https://openairdocs.org/stc/SE02837NY.md): The conversion of the Pratt & Whitney Canada PT6A-21 engine to operate as a PT6A-28 engine to be done. · Rocky Mountain Aircraft · Lists PT6A-21
- [STC SE02688NY](https://openairdocs.org/stc/SE02688NY.md): This modification would incorporate improved compressor components into the Pratt & Whitney PT6A-28 engine from the PT6A-135A engine. · Standard Aero Limited · Lists PT6A-28
- [STC SE02290NY](https://openairdocs.org/stc/SE02290NY.md): Conversion of a Pratt & Whitney Canada PT6A-21 engine to operate as a PT6A-27 or -28 engine · Vector Aerospace Engine Services Atlantic Inc. · Lists PT6A-21
- [STC SE02501NY](https://openairdocs.org/stc/SE02501NY.md): Conversion of the PT6A-11 engine · Vector Aerospace Engine Services Atlantic Inc. · Lists PT6A-11
- [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 PT6A-11
- [STC SE00020EN](https://openairdocs.org/stc/SE00020EN.md): Installation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1 · Pratt & Whitney Engine Services Inc. · Lists PT6A-11
- [STC SE8652SW](https://openairdocs.org/stc/SE8652SW.md): Installation of a flexible hose from the Propeller Primary Governor to the Fuel Control Unit. · Air Tractor Inc · Lists PT6A-45R

Next page: https://openairdocs.org/aircraft/N642/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 = '5550104'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52032')
  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/N642/stcs

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