# STCs that may be installed: Lockheed 18 A list on [Lockheed 18](https://openairdocs.org/model/lockheed-18.md). In force first, then newest. The registry doesn’t record which STCs an aircraft has. Page 1 of 4 · 177 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 SA04652CH](https://openairdocs.org/stc/SA04652CH.md): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification · Swift Fuels LLC - [STC SA02658SE](https://openairdocs.org/stc/SA02658SE.md): Installation of Garmin GI 275 Multi-Function Display System · Garmin International Inc. - [STC SA1686WE](https://openairdocs.org/stc/SA1686WE.md): Installation of Vibration Isolation Products (VIP) engine mount P/Ns VIP 50525-1 and VIP 50545-1 on various aircraft as shown on FAA Approved Model List (AML) No. SA1686WE. · FTG, Inc. - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI.md): Use of GAMI G100UL High Octane Unleaded Avgas · General Aviation Modifications 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 SA2-565](https://openairdocs.org/stc/SA2-565.md): Installation of electronics rack · Associated Air Center, Inc. - c/o CT Corporation System - [STC SA2-885](https://openairdocs.org/stc/SA2-885.md): Installation of McMillan Radome nose P/N 7311 · Associated Air Center, Inc. - c/o CT Corporation System - [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D.md): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System · Garmin International Inc - [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 SA01229SE PAGE 1](https://openairdocs.org/stc/SA01229SE%20PAGE%201.md): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios · Garmin International Inc - [STC SA01933LA-D PAGE 1](https://openairdocs.org/stc/SA01933LA-D%20PAGE%201.md): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System · Garmin International Inc - [STC SA3-41](https://openairdocs.org/stc/SA3-41.md): Short stack installation - Pratt & Whitney R-1830 or Wright R-1820 engines. · Sabreliner Aviation LLC - [STC SA3-42](https://openairdocs.org/stc/SA3-42.md): Modification to Janitrol heater air inlet scoop. Installation of Janitrol heater overheat warning system. · Sabreliner Aviation LLC - [STC SA3-46](https://openairdocs.org/stc/SA3-46.md): Nose heater installation, Stewart-Warner Model 940-B24. · Sabreliner Aviation LLC - [STC SA3-466](https://openairdocs.org/stc/SA3-466.md): DC-3 exhaust collector ring and short stack installation. · Sabreliner Aviation LLC - [STC SA01692SE](https://openairdocs.org/stc/SA01692SE.md): Installation of a Garmin GMX 200 Multi-Function Display · Garmin International Inc - [STC SA02016SE-D](https://openairdocs.org/stc/SA02016SE-D.md): Installation of Garmin GTS 800, GTS 820 or GTS 850 Traffic System · Garmin International Inc - [STC SA01487SE-D](https://openairdocs.org/stc/SA01487SE-D.md): Installation of a GDL 69 or GDL 69A XM Satellite Receiver · Garmin International Inc - [STC SA100CE](https://openairdocs.org/stc/SA100CE.md): Installation of Hoskins Supplemental Model A or B High Intensity Wing Tip Lights, Model C Tail Light, with or without Model 1 or 2 High Intensity Fuselage Lights. · BF Goodrich Aerospace - [STC SA2-1582](https://openairdocs.org/stc/SA2-1582.md): Flap modification removal. · Airline Fueling Inc. - [STC SA01473SE](https://openairdocs.org/stc/SA01473SE.md): Installation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote Transponde · Garmin AT Inc. - [STC SA4005NM](https://openairdocs.org/stc/SA4005NM.md): Precise Flight Inc. Pulselite Control System · Precise Flight Inc - [STC SA01695SE](https://openairdocs.org/stc/SA01695SE.md): Installation of an antenna · Garmin AT Inc. - [STC SA01487SE](https://openairdocs.org/stc/SA01487SE.md): Installation of a GDL 69 or GDL 69A XM Satellite Receiver in accordance with Garmin Supplemental Type Certificate Master Data List, P/N 005-C0217-00, Revision A, dated December 20, 2004, or later FAA approved revision. · Garmin AT Inc. - [STC SA02217AK](https://openairdocs.org/stc/SA02217AK.md): Installation of Garmin AT Model GDL90 UAT Data Link System, in accordance with Garmin AT, Inc., GDL 90 UAT Master Data List, P/N 560-0278-01, Revision A, dated November 12, 2004, or later FAA approved revision. · Garmin AT Inc. - [STC SA105SW](https://openairdocs.org/stc/SA105SW.md): Installation of landing gear doors. · Signature Flight Support Corporation - [STC SA106SW](https://openairdocs.org/stc/SA106SW.md): Installation of Model M-4 autopilot. · Signature Flight Support Corporation - [STC SA107SW](https://openairdocs.org/stc/SA107SW.md): Installation of alcohol deicing system. · Signature Flight Support Corporation - [STC SA129SW](https://openairdocs.org/stc/SA129SW.md): Installation of empennage saddle-back fairing. · Signature Flight Support Corporation - [STC SA146SW](https://openairdocs.org/stc/SA146SW.md): Installation of Lear L5 autopilot. · Signature Flight Support Corporation - [STC SA177SW](https://openairdocs.org/stc/SA177SW.md): Installation of tail cone. · Signature Flight Support Corporation - [STC SA17SW](https://openairdocs.org/stc/SA17SW.md): Installation of electric trim tab servo. · Signature Flight Support Corporation - [STC SA181SW](https://openairdocs.org/stc/SA181SW.md): Installation of oxygen system. · Signature Flight Support Corporation - [STC SA183SW](https://openairdocs.org/stc/SA183SW.md): Installation of air conditioner. · Signature Flight Support Corporation - [STC SA187SW](https://openairdocs.org/stc/SA187SW.md): Firewall fluid shutoff valve installation · Signature Flight Support Corporation - [STC SA188SW](https://openairdocs.org/stc/SA188SW.md): Installation of Scene-A-Ramic cabin windows. · Signature Flight Support Corporation - [STC SA192SW](https://openairdocs.org/stc/SA192SW.md): Installation of Mighty Midget hydraulic selector (flap and gear). · Signature Flight Support Corporation - [STC SA194SW](https://openairdocs.org/stc/SA194SW.md): Installation of cockpit side windows. · Signature Flight Support Corporation - [STC SA2-100](https://openairdocs.org/stc/SA2-100.md): Installation of electric trim actuator. · Signature Flight Support Corporation - [STC SA2-102](https://openairdocs.org/stc/SA2-102.md): Installation of Emergency Fluid Shut-Off Valves. · Signature Flight Support Corporation - [STC SA2-103](https://openairdocs.org/stc/SA2-103.md): Installation of anti-collision lights. · Signature Flight Support Corporation - [STC SA2-105](https://openairdocs.org/stc/SA2-105.md): Installation of 36-inch length picture windows between Stations 279 and 392. · Signature Flight Support Corporation - [STC SA2-1078](https://openairdocs.org/stc/SA2-1078.md): Installation of flight line nose heater. · Signature Flight Support Corporation - [STC SA2-109](https://openairdocs.org/stc/SA2-109.md): Installation of instrument panel. · Signature Flight Support Corporation - [STC SA2-1126](https://openairdocs.org/stc/SA2-1126.md): Rudder anti-overbalance springs. · Signature Flight Support Corporation - [STC SA2-1127](https://openairdocs.org/stc/SA2-1127.md): Main landing gear and tail gear metering pins modified. · Signature Flight Support Corporation - [STC SA2-1128](https://openairdocs.org/stc/SA2-1128.md): Installation of elevator spring tab, trim tab, nose down spring and elevator bellcrank station 561 · Signature Flight Support Corporation Next page: https://openairdocs.org/model/lockheed-18/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 s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model FROM ( SELECT stc_number, min(matched_model) AS matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code IN ('5261602') GROUP BY stc_number ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number) ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/lockheed-18/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.