Butler National Corporation
Holds 18 approved modifications, most of them for the Learjet 35. Holds 42 approvals to make replacement parts. FAA spelling: Butler National Corporation.
Approved modifications 18 · newest first
Learjet 35 7Learjet 24 5Learjet 25 5Dassault/Sud FAN JET FALCON 4Learjet 31 4Learjet 60 3Boeing 737 1Boeing 747 1Learjet 55 1
2024-10-01ST02036WI · Installation of an additional Garmin G700 TXi Primary Flight Display or Multifunction Display · 35, 35A (C-21A), 36
2024-07-27ST01138DE · Installation of MidContinent MD23 standby altimeter and/or attitude indicators · 24, 24A, 24B
2021-07-27ST02230SE · The installation of dual Garmin GTX-33ES Mode-S transponders and single or dual Garmin GTN 650/750 panel mounted... · 24, 24A, 24B-A
2021-05-18ST04481CH · Replacement of similar functioning circuit and switch for obsolete steering interface unit (SIU) in accordance with... · 35, 35A (C-21A), 36
2019-11-05ST02455SE · Installation of Dual GTX-3000 Transponders, GDL-88 Automatic Dependent Surveillance-Broadcast (ADS-B) (In) with Wide... · 31, 31A, 35
2016-09-07ST02500SE · The installation of the Garmin GDL-88 with the Flight Stream 210 to allow ADS-B(In) Flight Information Service... · 24, 24A, 24B-A
2015-12-22ST01733WI · Installation of the Quiet Lear Hushkit or Avcon Noise Suppressor · 24, 24A, 24B
2008-07-31ST01842SE · Installation of a Sandel Avionics Horizontal Situation Indicator (HSI) and Attitude Direction Indicator (ADI) · 24, 24A, 24B
2003-08-22ST01160SE · Installation of Model 10100111 and 10100112 Transient Suppression Devices · 737-100 Series, 737-200 Series, 737-200C Series
2000-10-06ST00846SE · Installation of Model 840037-108, 840037-112, and 840037-113 Transient Suppression Devices on Boeing 747 Classic... · 747SP Series, 747-300 Series, 747-200 Series
1989-06-08SA1666SW · Nose wheel steering modification. · Fan Jet Falcon
1989-05-18SA875SW · Installation of jump seat. · Fan Jet Falcon Series C, Fan Jet Falcon Series...
1989-05-18SA1806SW · Installation of Co-pilot brake modification. · Fan Jet Falcon, Fan Jet Falcon Series D, Fan...
1989-05-18SA849SO · PPG Ind. windshields, Fed. Exp. P/N 111-0071 (L/H), 111-0072 (R/H), 111-0073 (center). · Fan Jet Falcon, Fan Jet Falcon Series C, Fan...
1989-05-18SA1328SO · Installation of replacement feeder tank lower door and backing plate. · Fan Jet Falcon, Fan Jet Falcon Series D, Fan...
1987-07-06SA1788SW · Replace main landing gear door bracket with Little Rock Airmotive P/N 17654. · Fan Jet Falcon Series E, Fan Jet Falcon Series...
1987-07-06ST849SO · PPG Industries windshields, Federal Express P/N's 111-0071, (L/H), 111-0072 (R/H), 111-0073 (center). · Fan Jet Falcon Series D, Fan Jet Falcon Series...
1974-04-01SA704CE · Installation of BUTLER VAC and ADD navigation system. · 65 Series
Replacement parts approved 42 parts manufacturer approvals, 42 current · Tempe, AZ
A parts manufacturer approval lets a company make a replacement part for someone else's aircraft or engine and sell it as an approved part. This company's approvals are mostly for electrical power (24), other and general (13), airframe structure (3).
Boeing 747 12Mcdonnell Douglas DC-10 12Mcdonnell Douglas DC-9 9Douglas DC-8 6Boeing 737 4Mcdonnell Douglas Aircraft Co MD-88 1Mcdonnell Douglas MD-11 1
2003-09-15Transient Suppression Device (TSD) 10100222 · replaces Modification Part · 737-100, -200, -200C Series Airplanes
2003-09-15Transient Suppression Device (TSD) 10100221 · replaces Modification Part · 737-100, -200, -200C Series Airplanes
2003-02-23INS Switch Unit 001045-101 · replaces 001045-101 · DC-10 Series 10, 30 and 40.
2003-02-23CADC Switch Unit 001037-101 · replaces 001037-101 · DC-10 Series 10, 30 and 40.
2003-02-23Inertial Nav. Sys. Switch Unit 001031-101 · replaces 001031-101 · DC-10 Series 10, 30 and 40.
2003-02-23Nav. Switch Unit 600916-104 · replaces 600916-104 · DC-8, Series (Domestic) 11, 12
2003-02-23Instrument Switch Unit 001091-102 · replaces 001091-102 · MD-11
2003-02-23HSI Switch Unit 001046-101 · replaces 001046-101 · DC-10 Series 10, 30 and 40.
2003-02-23Nav. Switch Unit 600916-105 · replaces 600916-105 · DC-9, Series 11, 12
2003-02-23TSD Installation, Mounting Gusset, Wing Tank 840147-27 · replaces Modification Part · 747-100, -200, -300
2003-02-23Transient Suppression Device (TSD) 840037-113 · replaces Modification Part · 747-100, -200, -300
2003-02-23TSD Adapter Plate, Wing Tank 840147-1 · replaces Modification Part · 747-100, -200, -300
2003-02-23TSD Installation, Mounting Gusset, Center Tank 840147-25 · replaces Modification Part · 747-100, -200, -300
2003-02-23Instrument Switch Unit 001091-101 · replaces 001091-101 · DC-10 Series 10, 30 and 40.
2003-02-23VHF AUX Nav. Switch Unit 001032-101 · replaces 001032-101 · DC-10 Series 10, 30 and 40.
2003-02-23Nav. Inst. Switch Unit 600921-100 · replaces 600921-100 · DC-9, Series 11, 12
2003-02-23RAD/INS Switch Unit 001034-101 · replaces 001034-101 · DC-9-81, 82, 83
2003-02-23Transient Suppression Device (TSD) 840037-108 · replaces Modification Part · 747-100, -200, -300
2003-02-23Nav. Switch Unit 600916-101 · replaces 600916-101 · DC-8, Series (Domestic) 11, 12
2003-02-23Switch Unit 001149-101 · replaces 001149-101 · DC-9-80
2003-02-23TSD Housing, Connector Housing, Nut 840147-23 · replaces Modification Part · 747-100, -200, -300
2003-02-23Transient Suppression Device (TSD) 10100111 · replaces Modification Part · 737-100, -200, -200C Series Airplanes
2003-02-23Switch Unit 001111-101 · replaces 001111-101 · DC-9-80
2003-02-23Transient Suppression Device (TSD) 840147-112 · replaces Modification Part · 747-100, -200, -300
2003-02-23TSD Installation, Mounting Gusset, Wing Tank 840147-28 · replaces Modification Part · 747-100, -200, -300
2003-02-23Signal Switch Unit 600905-101 · replaces 600905-101 · DC-9, Series 11, 12
2003-02-23Compass Switch Unit 600917-101 · replaces 600917-101 · DC-8, Series (Domestic) 11, 12
2003-02-23Transient Suppression Device (TSD) 840037-112 · replaces Modification Part · 747-100, -200, -300
2003-02-23Gyro Switch Unit 600918-101 · replaces 600918-101 · DC-8, Series (Domestic) 11, 12
2003-02-23INST Switch Unit 001048-101 · replaces 001048-101 · DC-9 Series 81, 82, 83
2003-02-23Transient Suppression Device (TSD) 840147-113 · replaces Modification Part · 747-100, -200, -300
2003-02-23Switch Unit 001123-101 · replaces 001123-101 · DC-9-80
2003-02-23Transient Suppression Device (TSD) 840147-108 · replaces Modification Part · 747-100, -200, -300
2003-02-23Nav. Switch Unit 600916-103 · replaces 600916-103 · DC-8, Series (Domestic) 11, 12
2003-02-23Hermetic Sealed Switch Unit 600930-101 · replaces 600930-101 · DC-8, Series (Domestic) 11, 12
2003-02-23TSD Adapter Plate, Center Tank 840147-119 · replaces Modification Part · 747-100, -200, -300
2003-02-23Command Switch Unit 001030-101 · replaces 001030-101 · DC-10 Series 10, 30 and 40.
2003-02-23ILS Switch Unit 001047-101 · replaces 001047-101 · DC-10 Series 10, 30 and 40.
2003-02-23Compass Switch Unit 001033-101 · replaces 001033-101 · DC-10 Series 10, 30 and 40.
2003-02-23Azimuth Switch Unit 001036-101 · replaces 001036-101 · DC-10 Series 10, 30 and 40.
2003-02-23Switch Unit 001122-101 · replaces 001122-101 · DC-9-80
2003-02-23Transient Suppression Device (TSD) 10100112 · replaces Modification Part · 737-100, -200, -200C Series Airplanes
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.