# STCs that may be installed: N401TH

A list on [N401TH](https://openairdocs.org/aircraft/N401TH.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 SA01800SE](https://openairdocs.org/stc/SA01800SE.md): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. · TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE.md): Fabrication and installation of Landing Light Controller · TCW Technologies, LLC
- [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 SA09719AC](https://openairdocs.org/stc/SA09719AC.md): Installation electrostatic spray equipment and controls · Zee Systems Inc.
- [STC SA12204WI](https://openairdocs.org/stc/SA12204WI.md): Wing Spar Cap manufacturing process change · Air Tractor Inc.
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH.md): Installation of L-3 Communications Avionics Systems · Acron Aviation Inc.
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201.md): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500) · Acron Aviation Inc.
- [STC SA01240SE](https://openairdocs.org/stc/SA01240SE.md): Installation of secondary voltage indication system · Visual Instruments LLC
- [STC SA04676CH](https://openairdocs.org/stc/SA04676CH.md): Installation of a True Quantity Gauge System · Reabe Design LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE.md): Installation of Garmin GI 275 Multi-Function Display System · Garmin International Inc.
- [STC SA02266SE](https://openairdocs.org/stc/SA02266SE.md): Installation of a Lever Throttle Quadrant · Kawak Aviation Technologies Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK.md): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed · ADS-B Technologies LLC
- [STC SA00888SE](https://openairdocs.org/stc/SA00888SE.md): Option 1: Install Walter M601-E11S engine and a Hartzell HC-B3TW-3/T10282N+4 propeller or a Walter M601-E11 engine and an Avia V508-E-AG 106/A propeller per the Master Drawing List and Installation Instructions given in Approved Model List SA00888SE. (Note: Prior to July 17, 2002, the model M601-E11S engine was designated as the model M601-E11 engine). Option 2: Install a Walter M601-D11 engine and Avia V508-E-AG 106/A propeller per Cascade Flying Service Master Drawing List CFS-MDL-0001 Rev G, dated June 15, 2004, and Cascade Flying Service Document CFS-IM-107, Rev A, dated July 29, 2003, “Installation Instructions for Walter Turbine Installation on Air Tractor 300 & 400 Series Ag Aircraft,” or later FAA-approved revisions to these documents. NOTE: The Air Tractor model AT-400, AT-402B, AT-502, AT-502B, and AT-503A airplanes are not eligible for modification under option 2. · Cascade Flying Service LLC
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH.md): Installation of Airwolf Filter Corp. Air Oil Separator · Airwolf Filter Corporation
- [STC SA5190NM](https://openairdocs.org/stc/SA5190NM.md): Installation of Gustin Aviation chip detector light system. · A & L Aircraft Parts 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 SA04165NY](https://openairdocs.org/stc/SA04165NY.md): Installation of Latitude Technologies Skynode S200 Satcom system must be performed · Latitude Technologies Corporation
- [STC SA01435SE](https://openairdocs.org/stc/SA01435SE.md): Installation of J.P. Instruments (JPI) Primary Engine Data Management System · J. P. Instruments
- [STC SA01323CH](https://openairdocs.org/stc/SA01323CH.md): Installation of a ground single point fueling system. · Turbine Conversions Ltd
- [STC SA1607GL](https://openairdocs.org/stc/SA1607GL.md): Installation of Sky-Tractor Model200 Scavenge oil filter system. · Airwolf Filter Corp
- [STC SA02205SE](https://openairdocs.org/stc/SA02205SE.md): Installation of a replacement airframe fuel pump in accordance with Cascade Flying Service Master Drawing List FW-CFS545-90, Rev. B, dated October 19, 2011, or later FAA approved revision. · Cascade Aircraft conversions LLC
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY.md): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. · Airwolf Filter Corporation
- [STC SA01745WI](https://openairdocs.org/stc/SA01745WI.md): Installation of a Cable Cutter System on the Main Landing Gear · Hershey Flying Service Inc
- [STC SA01845WI](https://openairdocs.org/stc/SA01845WI.md): Installation of a Center Windshield · Hershey Flying Services
- [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 SA02276AK](https://openairdocs.org/stc/SA02276AK.md): Installation of AMSAFE Aviation Inflatable Restraints · AMSAFE Inc.
- [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 SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201.md): Approval of the L-3 Communications NGT 2000/2500 ADS-B system · ADS-B Technologies, LLC
- [STC SA00490LA](https://openairdocs.org/stc/SA00490LA.md): Installation of winglets. · Aero Spraying Service Inc.
- [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202.md): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P · Electronics International Inc.
- [STC ST03554CH](https://openairdocs.org/stc/ST03554CH.md): Installation of Rotary Gatekeeper and provisions equipment · Turbine Conversions Ltd
- [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201.md): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C · Electronics International Inc.
- [STC SA00403SE](https://openairdocs.org/stc/SA00403SE.md): Installation of Vortex Generators on the wings · Micro AeroDynamics Inc
- [STC SA00432SE](https://openairdocs.org/stc/SA00432SE.md): Installation of EGT 701 series fuel flow instrument. · J P Instruments
- [STC SA00861SE](https://openairdocs.org/stc/SA00861SE.md): Installation of J.P. Instruments (JPI) fuel flow indicating system · J P Instruments
- [STC SA01583CH](https://openairdocs.org/stc/SA01583CH.md): Installation of a Trace Engines, LP OE600A model engine, McCauley 3FF34C529/106AW[X]-0 model propeller and associated systems · Trace Engines LP
- [STC SA01281CH](https://openairdocs.org/stc/SA01281CH.md): Installation of turbine engine and a propeller and optional instrument panel · Johnson Airspray Inc.
- [STC SA02985CH](https://openairdocs.org/stc/SA02985CH.md): Installation of a Cool Start System in accordance with Installation Instructions, Revision A, dated April 14, 2011, or later FAA Approved revision. · Turbine Conversions Ltd
- [STC SA4294SW](https://openairdocs.org/stc/SA4294SW.md): Installation of freon air conditioning unit (wind-driven compressor). · Collins Aircraft Dynamics Inc
- [STC SA00770CH](https://openairdocs.org/stc/SA00770CH.md): Replace front 30 inches of fiberglass canopy top with L.P. Aero Plastics Inc. acrylic top in accordance with Reabe Aircraft Improvement Inc. Installation Instructions as listed on AML No. SA00770CH, amended January 14, 2011, or later FAA approved revisions. · Reabe Aircraft Improvement Inc
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE.md): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1) · Electronics International Inc.
- [STC SA02110CH](https://openairdocs.org/stc/SA02110CH.md): Installation of a Time Trac Data Recorder · P2 Incorporated
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM.md): Installation of Electronics International digital volt/amp gauges and accessories. · Electronics International Inc.
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM.md): Precise Flight Inc. Pulselite Control System · Precise Flight Inc
- [STC SA01639NY](https://openairdocs.org/stc/SA01639NY.md): Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B. · Scale Modelbuilders Inc.
- [STC SA01258SE](https://openairdocs.org/stc/SA01258SE.md): Installation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML. · R-S Sales Inc.
- [STC SA01295LA](https://openairdocs.org/stc/SA01295LA.md): Installation of modified Pratt & Whitney R-1340 engine. This mod must be done concurrently with STC SE01200LA which modifies R-1340 engine. · Aircraft Cylinder & Turbine Inc.
- [STC SA190CH](https://openairdocs.org/stc/SA190CH.md): Installation of Goodyear 29X11-10, 8 ply or 10 ply tires and 8.50X10 tubes. · Reabe Aircraft Improvement Inc
- [STC SA00622LA](https://openairdocs.org/stc/SA00622LA.md): Installation of an electronic digital engine tachometer horizon model P-1000. · Horizon Instruments Inc

Next page: https://openairdocs.org/aircraft/N401TH/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 = '0390204'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52016')
  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/N401TH/stcs

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