# STCs that may be installed: N342US

A list on [N342US](https://openairdocs.org/aircraft/N342US.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 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 SA02636SE](https://openairdocs.org/stc/SA02636SE.md): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. · Garmin International Inc.
- [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 SA02511SE](https://openairdocs.org/stc/SA02511SE.md): Installation of replacement fuel quantity indicator sending unit(s) · CiES 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 SA02658SE](https://openairdocs.org/stc/SA02658SE.md): Installation of Garmin GI 275 Multi-Function Display System · Garmin International 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 SA00198MC](https://openairdocs.org/stc/SA00198MC.md): Installation of mission equipment, to include operator console, RADAR, radome, equipment rack and various antenna · Spec Ops Technology LLC
- [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 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 SA02493AK](https://openairdocs.org/stc/SA02493AK.md): Installation of airborne surveillance Multi Mission Platform (MMP) · Borsight, Inc.
- [STC SA04063NY](https://openairdocs.org/stc/SA04063NY.md): Installation of the mission system Leica City Mapper (Sensor Unit and its respective server, cockpit display and operator stand and display) · S4A Solutions For Aviation, S.L.
- [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 SA02121SE](https://openairdocs.org/stc/SA02121SE.md): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System · Garmin International 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 SE01966WI](https://openairdocs.org/stc/SE01966WI.md): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines · General Aviation Modifications Inc.

## 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 = '0330001'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '55594')
  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/N342US/stcs

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