FAA-listed STC holder

Butler National Corporation STCs

The Jun 30, 2026 FAA DRS snapshot lists 10 selected supplemental type certificates with status Current under Butler National Corporation. The records span 36 public aircraft directories and 4 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Oct 1, 2024

latest recorded revision

Recently revised records

Showing the 10 most recently revised records. Category directories provide the complete paginated discovery path.

10 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Butler National Corporation supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST02036WI Installation of an additional Garmin G700 TXi Primary Flight Display or Multifunction Display. Avionics View record	Learjet 35TC A10CE Learjet 35A (C-21A)TC A10CE Learjet 36TC A10CE Learjet 36ATC A10CE	Current at cited snapshot Revised Oct 1, 2024 Application: Nov 10, 2020	FAA holder: Butler National Corporation FAA authority record
ST01138DE Installation of MidContinent MD23 standby altimeter and/or attitude indicators. Other aircraft modifications View record	Learjet 24TC A10CE Learjet 24ATC A10CE Learjet 24BTC A10CE Learjet 24B-ATC A10CE Learjet 24CTC A10CE Learjet 24DTC A10CE Learjet 24ETC A10CE Learjet 24FTC A10CE Learjet 24F-ATC A10CE Learjet 25TC A10CE Learjet 25ATC A10CE Learjet 25BTC A10CE Learjet 25CTC A10CE Learjet 25DTC A10CE Learjet 25FTC A10CE Learjet 31TC A10CE Learjet 31ATC A10CE Learjet 35TC A10CE Learjet 35A (C-21A)TC A10CE Learjet 36TC A10CE Learjet 36ATC A10CE Learjet 55TC A10CE Learjet 55BTC A10CE Learjet 55CTC A10CE Learjet 60TC A10CE	Current at cited snapshot Revised Jul 27, 2024 Application: Dec 9, 2022	FAA holder: Butler National Corporation FAA authority record
ST02230SE The installation of dual Garmin GTX-33ES Mode-S transponders and single or dual Garmin GTN 650/750 panel mounted navigation and global positioning system (GPS) units, or dual Garmin GTX-335R and/or GTX-345R Mode-S transponders and single or dual Garmin GTN 650/750/625/725 panel mounted navigation and GPS units. Avionics View record	Learjet 24TC A10CE Learjet 24ATC A10CE Learjet 24B-ATC A10CE Learjet 24BTC A10CE Learjet 24CTC A10CE Learjet 24DTC A10CE Learjet 24ETC A10CE Learjet 24F-ATC A10CE Learjet 24FTC A10CE Learjet 25TC A10CE Learjet 25ATC A10CE Learjet 25BTC A10CE Learjet 25CTC A10CE Learjet 25DTC A10CE Learjet 25FTC A10CE Learjet 31TC A10CE Learjet 31ATC A10CE Learjet 35TC A10CE Learjet 35A (C-21A)TC A10CE Learjet 36TC A10CE Learjet 36ATC A10CE	Current at cited snapshot Revised Jul 27, 2021 Application: Jun 28, 2011	FAA holder: Butler National Corporation FAA authority record
ST04481CH Replacement of similar functioning circuit and switch for obsolete steering interface unit (SIU) in accordance with Butler National Master Data List 0200 I 020 Revisio n (A) , dat ed 14 MAY 2021, or later FAA Approved Revision. Other aircraft modifications View record	Learjet 35TC A10CE Learjet 35A (C-21A)TC A10CE Learjet 36TC A10CE Learjet 36ATC A10CE	Current at cited snapshot Revised May 18, 2021 Application: Aug 21, 2020	FAA holder: Butler National Corporation FAA authority record
ST02455SE Installation of Dual GTX-3000 Transponders, GDL-88 Automatic Dependent Surveillance-Broadcast (ADS-B) (In) with Wide Area Augmentation System (WAAS) Global Positioning System (GPS) sensor and Flight Stream 210 Bluetooth Connectivity installed for ADS-B (Out) compliance. Aircraft connectivity View record	Learjet 31TC A10CE Learjet 31ATC A10CE Learjet 35TC A10CE Learjet 35A (C-21A)TC A10CE Learjet 36TC A10CE Learjet 36ATC A10CE Learjet 60TC A10CE	Current at cited snapshot Revised Nov 5, 2019 Application: Oct 27, 2015	FAA holder: Butler National Corporation FAA authority record
ST02500SE The installation of the Garmin GDL-88 with the Flight Stream 210 to allow ADS-B(In) Flight Information Service Broadcast (FIS-B), independent of the ADS-B(Out) solution compliance. Avionics View record	Learjet 24TC A10CE Learjet 24ATC A10CE Learjet 24B-ATC A10CE Learjet 24BTC A10CE Learjet 24CTC A10CE Learjet 24D-ATC A10CE Learjet 24DTC A10CE Learjet 24ETC A10CE Learjet 24F-ATC A10CE Learjet 24FTC A10CE Learjet 25TC A10CE Learjet 25ATC A10CE Learjet 25BTC A10CE Learjet 25CTC A10CE Learjet 25DTC A10CE Learjet 25FTC A10CE Learjet 28TC A10CE Learjet 29TC A10CE Learjet 31TC A10CE Learjet 31ATC A10CE Learjet 35TC A10CE Learjet 35A (C-21A)TC A10CE Learjet 36TC A10CE Learjet 36ATC A10CE Learjet 60TC A10CE	Current at cited snapshot Revised Sep 7, 2016 Application: Oct 12, 2015	FAA holder: Butler National Corporation FAA authority record
ST01733WI Installation of the Quiet Lear Hushkit or Avcon Noise Suppressor. Other aircraft modifications View record	Learjet 24TC A10CE Learjet 24ATC A10CE Learjet 24BTC A10CE Learjet 24DTC A10CE Learjet 24ETC A10CE Learjet 24FTC A10CE Learjet 25TC A10CE Learjet 25BTC A10CE Learjet 25CTC A10CE Learjet 25DTC A10CE Learjet 25FTC A10CE	Current at cited snapshot Revised Dec 22, 2015 Application: Jan 29, 2013	FAA holder: Butler National Corporation FAA authority record
ST01842SE Installation of a Sandel Avionics Horizontal Situation Indicator (HSI) and Attitude Direction Indicator (ADI). Avionics View record	Learjet 24TC A10CE Learjet 24ATC A10CE Learjet 24BTC A10CE Learjet 24B-ATC A10CE Learjet 24CTC A10CE Learjet 24DTC A10CE Learjet 24D-ATC A10CE Learjet 24ETC A10CE Learjet 24FTC A10CE Learjet 24F-ATC A10CE Learjet 25TC A10CE Learjet 25ATC A10CE Learjet 25BTC A10CE Learjet 25CTC A10CE Learjet 25DTC A10CE Learjet 25FTC A10CE Learjet 28TC A10CE Learjet 29TC A10CE Learjet 35TC A10CE Learjet 35A (C-21A)TC A10CE Learjet 36TC A10CE Learjet 36ATC A10CE	Current at cited snapshot Revised Jul 31, 2008 Application: May 8, 2008	FAA holder: Butler National Corporation FAA authority record
ST01160SE Installation of Model 10100111 and 10100112 Transient Suppression Devices. Other aircraft modifications View record	Boeing 737-100 SeriesTC A16WE Boeing 737-200 SeriesTC A16WE Boeing 737-200C SeriesTC A16WE	Current at cited snapshot Revised Aug 22, 2003 Application: Dec 20, 2000	FAA holder: Butler National Corporation FAA authority record
ST00846SE Installation of Model 840037-108, 840037-112, and 840037-113 Transient Suppression Devices on Boeing 747 Classic Airplanes fitted with Honeywell Analog Fuel Quantity Indication Systems. Fuel systems View record	Boeing 747SP SeriesTC A20WE Boeing 747-300 SeriesTC A20WE Boeing 747-200 SeriesTC A20WE Boeing 747-100 SeriesTC A20WE Boeing 747SR SeriesTC A20WE	Current at cited snapshot Revised Oct 6, 2000 Application: Not listed	FAA holder: Butler National Corporation FAA authority record

Butler National Corporation STCs

Modification mix

Aircraft represented

Recently revised records

Installation of an additional Garmin G700 TXi Primary Flight Display or Multifunction Display.

Installation of MidContinent MD23 standby altimeter and/or attitude indicators.

Replacement of similar functioning circuit and switch for obsolete steering interface unit (SIU) in accordance with Butler National Master Data List 0200 I 020 Revisio n (A) , dat ed 14 MAY 2021, or later FAA Approved Revision.

Installation of Dual GTX-3000 Transponders, GDL-88 Automatic Dependent Surveillance-Broadcast (ADS-B) (In) with Wide Area Augmentation System (WAAS) Global Positioning System (GPS) sensor and Flight Stream 210 Bluetooth Connectivity installed for ADS-B (Out) compliance.

The installation of the Garmin GDL-88 with the Flight Stream 210 to allow ADS-B(In) Flight Information Service Broadcast (FIS-B), independent of the ADS-B(Out) solution compliance.

Installation of the Quiet Lear Hushkit or Avcon Noise Suppressor.

Installation of a Sandel Avionics Horizontal Situation Indicator (HSI) and Attitude Direction Indicator (ADI).

Installation of Model 10100111 and 10100112 Transient Suppression Devices.

Installation of Model 840037-108, 840037-112, and 840037-113 Transient Suppression Devices on Boeing 747 Classic Airplanes fitted with Honeywell Analog Fuel Quantity Indication Systems.