The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

S-Tec Corporation

Named as the FAA publishes it on its approvals.

Holds 1,084 approved modifications, most of them for the Mooney M-20. Approved to make 51 classes of equipment. Holds 2,486 approvals to make replacement parts. FAA spelling: S-TEC Corporation.

Approved modifications 1,084 · newest first

2024-06-12SA09768DS · Installation of S-TEC 01236 Digital Flight Control System (DFCS) · SA227-AT, SA226-TC, SA227-AC (C-26A)
2023-12-18SR02345LA · Installation of HeliSAS stability augmentation system and autopilot · AS-350B, AS-350B1, AS-350B2
2023-05-25SA09766DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · PA-30, PA-39
2022-04-25SR02553LA · Installation of HeliSAS®/Autopilot System · R66
2021-08-03SA09120AC-D · Installation of S-TEC System 55/55X Two Axis automatic flight guidance system, Model ST-603 · 337, 337A, 337B
2021-04-15SR02254LA · Installation of stability augmentation system and autopilot · R44, R44 II
2021-03-31SA09764DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · PA-60-600 (Aerostar 600), PA-60-601 (Aerostar...
2020-12-22SA09763DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · 560-F, 680-E, 680-F
2020-12-09SA09762DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · PA-24, PA-24-250, PA-24-260
2020-10-05SA09761DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · DHC-6-100, DHC-6-200, DHC-6-300
2020-06-30SA09760DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · 65-90, 65-A90, 65-A90-1
2020-06-23SA09759DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · PA-31, PA-31-300, PA-31-325
2020-02-11SR09758DS · Installation of an S-TEC HeliSAS Stability Augmentation System / Autopilot · 505
2020-01-23SA09757DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · 200, 200C, 200CT
2019-11-18SA09756DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · 100, A100, A100A
2019-09-11SA09755DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · 56TC, 58, 58A
2019-04-29SA09131AC-D · Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System. Model ST-604, · PA-44-180, PA-44-180T
2019-02-26SA09752DS · Installation of an S-TEC O 1326 Digital Flight Control System (DFCS) · A-1C-180, A-1C-200
2019-02-14SR11337SC · Installation of an S-TEC Single/Dual Pilot instrument Flight Rules (JER) HeliSAS Stability Augmentation System and Autopilot · MBB-BK 117 C-2
2018-11-01SA09745DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · 210, 210A, 210B
2018-09-26SA09751DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · 414, 414A, 421
2018-07-03SA09748DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS) · PA-32-260, PA-32-300, PA-32-301
2018-04-24SA09746DS · Installation of an S-TEC 01326 Digital Flight Control System (DFCS), · F182P, F182Q, FR182
2017-10-10SA09743AC-D · Installation of an S-TEC 3100 (01326) Digital Flight Control System (DFCS) · AT-802, AT-802A
2016-10-26SR11230SC · Installation of HeliSAS Stability Augmentation System and Autopilot (SAS/AP) · EC120B
2016-04-19SR02587LA · Installation of HeliSAS /Autopilot System · EC135 P1, EC135 P2, EC135 P2+
2011-04-13SR02344LA · Installation of HeliSAS stability augmentation system and autopilot in accordance with FAA Approved Master Data... · 407
2011-04-13SR02346LA · Installation of HeliSAS stability augmentation system and autopilot in accordance with FAA Approved Master Data... · 206B, 206L, 206L-1
2011-03-21SA09628AC-D · 1. Installation of S-TEC 01298 or 01304 Digital Flight Control System (DFCS), in according with Master Data List... · 690C, 690D, 695
2011-02-24SA09285AC-D · Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-727-20/30,... · PA-31, PA-31-300, PA-31-325
2008-12-10SA09620AC · Installation of Engine Instrument Display System (EIDS). · 441
2008-12-10SA09521AC-D · Installation of S-TEC Digital Flight Control System (autopilot) Part No. 01298-01-01-001 or 01304-01-01-001 1500... · PA-46-500TP
2008-09-10SA5221SW-D · Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-014 · F33A, 36, A36
2008-08-25SA09548AC-D · Installation of S-TEC/Chelton CA370S Air Data Attitude Heading Reference System (ADAHRS) · 690C, 690D, 695
2008-08-22SA09622AC-D · Installation of S-TEC 01298 or 01304 Digital Flight Control System (DFCS) · 441
2008-08-06SA09015AC-D · Installation of S-TEC System 65 two axis automatic flight guidance system. · SA227-AC (C-26A)
2008-07-15SA09359AC-D · Installation of S-TEC System 20/30 single and two-axis automatic flight guidance systems, Model ST-816-20/30. · PA-30, PA-39
2008-03-03SA6037SW-D · Installation of S-TEC System 40/50, single and two axis automatic flight guidance system, Model ST-298-40/50. · 152, A152, 150M
2008-01-09SA09527AC-D · Installation of DFCS 01284 (MAGIC 2100) Autopilot System, Model ST-902. · 690B, 690, 690A
2008-01-03SA09544AC-D · Installation of S-TEC 01304 Digital Flight Control System (DFCS). · 65-90, 65-A90, 65-A90-1
2008-01-03SA09542AC-D · Installation of S-TEC 01304 IntelliFlight Digital Flight Control System (DFCS). · 200, 200C, 200CT
2008-01-03SA09536AC-D · Installation of S-TEC 01304 Digital FLight Control System. · PA-31T
2007-12-03SA09546AC-D · Installation of S-TEC 01304 Digital Flight Control System (DFCS), · 441
2007-11-27SA09547AC-D · Installation of Avidyne Primary Flight Display · 441
2007-08-29SA09123AC-D · Installation of S-TEC System 55 Two Axis Automatic Flight Guidance System, Model ST-607, with Optional Autotrim... · PA-23-235, PA-23-250 (Navy UO-1), PA-E23-250
2007-08-06SA06037SW-D · Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems. · 150G, 150H, 150J
2007-06-07SA5265SW-D · Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-016, with Optional Automatic... · 182Q, 182R, T182
2007-04-18SA09198AC-D · Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-662. Installation of S-TEC... · PA-E23-250, PA-23-250
2007-03-08SA09545AC-D · Installation of Avidyne Primary Flight Display. · 65-90, 65-A90, 65-A90-1
2006-12-14SA09541AC-D · Installation of S-TEC System 55X Automatic Flight Guidance System Roll Servo · SR22
2006-12-05SA09543AC-D · Installation of Avidyne Primary Flight Display · 200, 200C, 200CT
2006-08-24SA09540AC-D · Installation of S-TEC System 30 Automatic Flight Guidance Systems. · A99A, B99, C99
2006-06-14SA09539AC-D · Installation of S-TEC System 20/30 Automatic Flight Guidance Systems. · MT-7-260
2005-11-10SA09619AC-D · Installation of Dual Meggitt Electronic Flight Instrument System (EFIS). · 441
2005-08-29SA09537AC-D · Installation of single Meggitt Electronic Flight Instrument System (EFIS). · PA-31T
2005-08-29SA09538AC-D · Installation of Meggitt Engine Instrument Display System (EDIS). · PA-31T
2005-04-04SA09622AC · Installation of S-TEC Magic 2100 Digital Flight Control System (DFCS) Part No. 01298-01-01-03 or 01304-01-01-003 in... · 441
2004-09-20SA09636AC · Installation of S-TEC 01304 Digital Flight Control System (DFCS), Three Axis Automatic Flight Guidance System Part... · 425
2004-09-20SA09637AC · Installation of single S-TEC Meggitt Electronic Flight Instrument System (EFIS) in accordance with Master Data List... · 425
2004-09-20SA09635AC · Installation of S-TEC Meggitt Engine Instrument Display System (EIDS) in accordance with Master Data List 921230,... · 421C

The first 60 of 1,084.

Replacement parts approved 2,486 parts manufacturer approvals, 2,486 current · Mineral Wells, TX

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 other and general (1,625), flight controls (784), electrical power (35).

2024-07-18Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-985PL-2 · replaces Modification Part · SA226-TC, SA227-AT, SA227-AC
2024-07-18Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-985PL-1 · replaces Modification Part · SA226-TC, SA227-AT, SA227-AC
2024-07-18Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-985PL · replaces Modification Part · SA226-TC, SA227-AT, SA227-AC
2024-06-05Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-978 · replaces Modification Part · PA-24, PA-24-250, PA-24-260
2024-06-05Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-978-1 · replaces Modification Part · PA-24, PA-24-250, PA-24-260
2024-06-05Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-978-2 · replaces Modification Part · PA-24, PA-24-250, PA-24-260
2023-05-31Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-988PL · replaces Modification Part · PA-30 and PA-39 and the above models when...
2023-05-31Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-988PL-1 · replaces Modification Part · PA-30 and PA-39 and the above models when...
2023-05-31Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-988PL-2 · replaces Modification Part · PA-30 and PA-39 and the above models when...
2023-05-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-989PL · replaces Modification Part · BN-2A-2, BN-2A-8, BN-2A-20
2023-05-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-989PL-1 · replaces Modification Part · BN-2A-2, BN-2A-8, BN-2A-20
2023-05-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-989PL-2 · replaces Modification Part · BN-2A-2, BN-2A-8, BN-2A-20
2021-08-27Autopilot ST-761 · replaces Modification Part · EA-300L
2021-08-27Autopilot ST-756 · replaces Modification Part · 210, 210A, 210B
2021-08-27Autopilot ST-732 · replaces Modification Part · 182A, 182B, 182C
2021-08-27Autopilot ST-759-20/30 · replaces Modification Part · R182, TR182
2021-08-27Autopilot ST-721 · replaces Modification Part · 185, 185A, 185B
2021-08-27Autopilot ST-762-20/30 · replaces Modification Part · 182P, 182Q
2021-08-27Autopilot ST-759-20/30 · replaces Modification Part · FR182
2021-08-27Autopilot ST-428 · replaces Modification Part · 210B, 210C
2021-08-27Autopilot ST-760 · replaces Modification Part · R182, TR182
2021-08-27Autopilot ST-762-20/30 · replaces Modification Part · F182P, F182Q
2021-08-27Autopilot ST-747-20/30 · replaces Modification Part · S35, V35, V35A
2021-08-27Autopilot ST-721 · replaces Modification Part · 180, 180A, 180B
2021-08-27Autopilot ST-760 · replaces Modification Part · FR182
2021-08-27Autopilot ST-757-20/30 · replaces Modification Part · 35, A35, B35
2021-08-27Autopilot ST-755-20/30 · replaces Modification Part · 210, 210A, 201B
2021-08-27Autopilot ST-525-40/50 · replaces Modification Part · PA-31-325
2021-05-27Engine Fuel Oil-Heat Exchanger 55059001-1 · replaces 55059001-1 · TRENT XWB-97
2021-05-19Installation of S-TEC 01326 Digital Flight Control System... ST-982 ST-982-1ST-982-2 · replaces Modification PartModification PartModification Part · PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2
2021-04-08Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-984-1 · replaces Modification Part · PA-60-600 (Aerostar 600), PA-60-601 (Aerostar...
2021-04-08Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-984-2 · replaces Modification Part · PA-60-600 (Aerostar 600), PA-60-601 (Aerostar...
2021-04-08Installation of S-TEC 01326 Digital Flight Control System (DFCS)) ST-984 · replaces Modification Part · PA-60-600 (Aerostar 600), PA-60-601 (Aerostar...
2021-01-12Installation of S-TEC 01326 Digital Flight Control System... ST-983ST-983-1ST-983-2 · replaces Modification PartModification PartModification Part · 500, 500A, 500B
2021-01-06Installation of S-TEC 01326 Digital Flight Control System... ST-978ST-978-1 · replaces Modification PartModification Part · PA-24, PA-24-250, PA-24-260
2021-01-06Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-978-2 · replaces Modification Part · PA-24, PA-24-250, PA-24-260
2020-10-15Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-979-2 · replaces Modification Part · DHC-6-100, DHC-6-200, DHC-6-300
2020-10-15Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-979 · replaces Modification Part · DHC-6-100, DHC-6-200, DHC-6-300
2020-10-15Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-979-1 · replaces Modification Part · DHC-6-100, DHC-6-200, DHC-6-300
2020-08-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-975-1 · replaces Modification Part · PA-31, PA-31-300, PA-31-325
2020-08-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-975-2 · replaces Modification Part · PA-31, PA-31-300, PA-31-325
2020-08-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-975 · replaces Modification Part · PA-31, PA-31-300, PA-31-325
2020-07-22Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-973-4 · replaces Modification Part · 65-90, 65-A90, 65-A90-1
2020-07-22Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-973-3 · replaces Modification Part · 65-90, 65-A90, 65-A90-1
2020-07-22Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-973 · replaces Modification Part · 65-90, 65-A90 65-A90-1, 65-A90-4
2020-07-22Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-973-2 · replaces Modification Part · 65-90, 65-A90 65-A90-1, 65-A90-4
2020-07-22Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-973-1 · replaces Modification Part · 65-90, 65-A90 65-A90-1, 65-A90-4
2020-07-16Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-975PL · replaces Modification Part · PA-31, PA-31-300, PA-31-325
2020-07-16Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-975PL-2 · replaces Modification Part · PA-31, PA-31-300, PA-31-325
2020-07-16Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-975PL-1 · replaces Modification Part · PA-31, PA-31-300, PA-31-325
2020-02-17Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-976 · replaces Modification Part · 200, 200C, 200T
2020-02-17Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-976-1 · replaces Modification Part · 200, 200C, 200T
2019-11-20Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-968 ST-968-1 ST-968-2 · replaces Modification Part · 100, A100, A100A
2019-09-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-964-1 · replaces Modification Part · 95, B95, B95A D95A
2019-09-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-964 · replaces Modification Part · 95, B95, B95A D95A
2019-09-25Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-964-2 · replaces Modification Part · 95, B95, B95A D95A
2019-07-30Installation of S-TEC System 55/55X Two Axis Automatic Flight... ST-621 · replaces Modification Part · 210, 210A, 210B
2019-07-30Installation of S-TEC System 40/50 Single and Two Axis Automatic... ST-223 · replaces Modification Part · 56TC and A56TC
2019-07-30Installation of S-TEC System 55/55X Two Axis Automatic Flight... ST-604 · replaces Modification Part · PA-44-180, PA-44-180T
2019-07-30Installation of S-TEC System 55/55X Two Axis Automatic Flight... ST-598 · replaces Modification Part · PC-6/B2-H4
2019-07-30Installation of S-TEC Yaw Damper System ST-118 · replaces Modification Part · 35-33, 35-A33, 35-B33
2018-11-28Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-962 · replaces Modification Part · 210, 210A, 210B 210C
2018-09-26Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-967 · replaces Modification Part · PA-46-310P, PA-46-350P, PA-46-500TP
2018-09-26Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-965 · replaces Modification Part · 310D, 310E, 310F
2018-07-11Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-957 · replaces Modification Part · PA-32-260, PA-32-300, PA-32R-300
2018-06-18Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-963 · replaces Modification Part · F177RG) Textron Aviation Inc. (177, 177A, 177B
2018-04-26Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-960 · replaces Modification Part · F182P, F182Q, FR182) Textron Aviation Inc. (182
2018-04-16Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-962 · replaces Modification Part · 210k, T210K, 210L
2018-04-16Installation of S-TEC 01326 Digital Flight Control System (DFCS) ST-959 · replaces Modification Part · 35, A35, B35
2017-10-23S-TEC System 3100 Digital Flight Control System (DFCS) ST-958 · replaces Modification Part · AT-802, AT-802A
2016-03-10HeliSAS/Autopilot System ST-953 · replaces Modification Part · R66
2015-09-20S-TEC System 2100 Digital Flight Control System (DFCS) ST-951 · replaces Modification Part · 414, 414A, 421
2014-12-14Installation of stability augmentation system and autopilot ST-931 · replaces Modification Part · R44 and R44II
2014-09-17HeliSAS Installation ST-950 · replaces Modification Part · EC130T2
2014-08-11System 55/55X Two Axis Automatic Flight Control System ST-586 · replaces Modification Part · 182T and T182T
2014-06-22System 30 Automatic Flight Guidance Systems ST-923-L-001 · replaces Modification Part · 99, 99A, A99A
2014-04-27System 20/30 Single and Two Axis Automatic Flight Control System ST-881 · replaces Modification Part · A-1, A-1A, A-1B
2013-05-12System 40/50 Single and Two Axis Automatic Flight Control System ST-469 · replaces Modification Part · AT-802 And AT-802A
2012-12-02System 55X Two Axis Automatic Flight Control Systems ST-945-MDL-0001 · replaces Modification Part · YMF (WACO F5C)
2012-08-29System 55/55X Two Axis Automatic Flight Guidance System ST-553 · replaces Modification Part · P210R

The first 80 of 2,486. All part makers.

Equipment approvals technical standard order authorisations

2008-04-30TSO-C49b · ELECTRIC TACHOMETER: MAGNETIC DRAG (INDICATOR AND GENERATOR) · Engine Display Enit, Data Acquisition Unit (DAU), Data Acquistion Unit... · engine
2008-04-30TSO-C43c · TEMPERATURE INSTRUMENTS · Engine Display Enit, Data Acquisition Unit (DAU), Data Acquistion Unit... · engine
2008-04-30TSO-C55 · FUEL AND OIL QUANTITY INSTRUMENTS (RECIPROCATING ENGINE AIRCRAFT) · *, *, Engine Display Enit · engine
2008-04-30TSO-C44b · FUEL FLOWMETERS · Engine Display Enit, Data Acquisition Unit (DAU), Data Acquistion Unit... · engine
2008-04-30TSO-C47 · PRESSURE INSTRUMENTS - FUEL, OIL, AND HYDRAULIC · *, *, * · engine
2008-02-14TSO-C52b · Flight Director Equipment · Magic 1500 Automatic Flight Control System (AFSC), DFCS, DFCS · flight controls
2006-02-27TSO-C88a · AUTOMATIC PRESSURE ALTITUDE REPORTING CODE GENERATING EQUIPMENT · Primary Flight Display (PDF), PFD, PFD · instruments and avionics
2006-02-13TSO-C113 · AIRBORNE MULTIPURPOSE ELECTRONIC DISPLAYS · Primary Flight Display (PDF), PFD, PFD · engine
2002-03-15TSO-C9C · AUTOMATIC PILOTS · *, *, * · flight controls
2001-09-03TSO-C41C · Airborne Automatic Direction Finding (ADF) Equipment · *, *, * · other and general
2001-09-03TSO-C41C · Airborne Automatic Direction Finding (Adf) Equipment · *, *, * · other and general
1998-09-09TSO-C71 · AIRBORNE STATIC ("DC TO DC") ELECTRICAL POWER CONVERTER (FOR AIR CARRIER AIRCRAFT) · *, Power Adapter 28VDC to 14VDC · electrical power
1994-10-26TSO-C52A · Flight Directors · *, *, * · flight controls
1994-01-01TSO-C38D · VHF RADIO COMMUNICATIONS RECEIVING EQUIPMENT OPERATING WITHIN THE RADIO FREQUENCY... · * · instruments and avionics
1994-01-01TSO-C40C · VOR Receiving Equipment Operating Within The Radio Frequency Range Of 108-117.95... · * · instruments and avionics
1994-01-01TSO-C40C · VOR Receiving Equipment Operating Within The Radio Frequency Range Of 108-117.95... · * · instruments and avionics
1994-01-01TSO-C37D · VHF RADIO COMMUNICATIONS TRANSMITTING EQUIPMENT OPERATING WITHIN THE RADIO FREQUENCY... · * · instruments and avionics
1994-01-01TSO-C34E · ILS GLIDE SLOPE RECEIVING EQUIPMENT OPERATING WITHIN THE RADIO FREQUENCY RANGE OF... · *, * · instruments and avionics
1994-01-01TSO-C34E · ILS GLIDE SLOPE RECEIVING EQUIPMENT OPERATING WITHIN THE RADIO FREQUENCY RANGE OF... · *, * · instruments and avionics
1993-01-27TSO-C6C · Direction Instrument, Magnetic (Gyroscopically Stabilized) · *, * · instruments and avionics
1992-01-24TSO-C6D · DIRECTION INSTRUMENT, MAGNETIC (GYROSCOPICALLY STABILIZED) · S-TEC Remote Directional Gyro, S-TED Horizontal Situation Indicator, Slaving Panel · instruments and avionics
1992-01-24TSO-C36E · AIRBORNE ILS LOCALIZER RECEIVING EQUIPMENT OPERATING WITHIN THE RADIO FREQUENCY RANGE... · * · instruments and avionics
1990-10-04TSO-C38B · VHF Radio Communications Receiving Equipment Operating within 117.975 to 136.000 Megahertz · *, *, * · instruments and avionics
1990-09-27TSO-C36C · ILS Localizer Receiving Equipment · *, *, * · other and general
1990-09-27TSO-C40A · VOR Radio Receiving Equipment · *, *, * · instruments and avionics
1990-07-02TSO-C35D · AIRBORNE RADIO MARKER RECEIVING EQUIPMENT · *, MKR-350, Marker Beacon Receiver, AUD-250, Audio Panel · instruments and avionics
1990-07-02TSO-C50B · Aircraft Audio and Interphone Amplifiers · MKR-350, Marker Beacon Receiver, AUD-250, Audio Panel, AUD-250H, Audio Panel · electrical power
1990-06-22TSO-C66A · Airborne Distance Measuring Equipment (For Air Carrier Aircraft) · Navigation Receiver, Transceiver, Indicator · instruments and avionics
1990-06-22TSO-C74C · AIRBORNE ATC TRANSPONDER EQUIPMENT · S-Tec Transponder · instruments and avionics
1990-04-02TSO-C34C · Airborne ILS Glide Slope Receiving Equipment · *, *, * · other and general
1990-03-27TSO-C37B · VHF Radio Communications Transmitting Equipment Operating within the Radio Frequency... · *, *, * · instruments and avionics
1990-01-01TSO-C3B · Turn and Slip Instrument · S-TEC Turn and Slip Indicator, S-TEC Turn and Slip Indicator · instruments and avionics
1980-08-01TSO-C9A · Automatic Pilots · *, S-TEC Corporation Programmer/Annunciators 14v and 28v · other and general
TSO-C43 · Temperature Indicators · *, *, * · other and general
TSO-C50B · Aircraft Audio And Interphone Amplifiers · *, *, * · other and general
TSO-C55 · Fuel And Oil Quantity Instruments (Reciprocating Engine Aircraft) · *, * · engine
TSO-C35D · Airborne Radio Marker Receiving Equipment · *, *, * · instruments and avionics
TSO-C6C · Direction Instrument, Magnetic (Gyroscopically Stabilized) · *, * · instruments and avionics
TSO-C71 · Airborne Static ("Dc To Dc") Electrical Power Converter (For Air Carrier Aircraft) · * · electrical power
TSO-C74C · Airborne Atc Transponder Equipment · * · instruments and avionics
TSO-C66A · Airborne Distance Measuring Equipment (For Air Carrier Aircraft) · *, *, * · other and general
TSO-C38B · Vhf Radio Communications Receiving Equipment Operating Within 117.975 To 136.000 Megahertz · *, *, * · instruments and avionics
TSO-C40A · Vor Radio Receiving Equipment · *, *, * · instruments and avionics
TSO-C9A · Automatic Pilots · *, *, * · other and general
TSO-C52A · Flight Directors · *, *, * · other and general
TSO-C47 · Pressure Instruments - Fuel, Oil, And Hydraulic · *, *, * · heating, ice protection and utility systems
TSO-C36C · Ils Localizer Receiving Equipment · *, *, * · other and general
TSO-C37B · Vhf Radio Communications Transmitting Equipment Operating Within The Radio Frequency... · *, *, * · instruments and avionics
TSO-C36E · Airborne Ils Localizer Receiving Equipment Operating Within The Radio Frequency Range... · * · instruments and avionics
TSO-C34C · Airborne Ils Glide Slope Receiving Equipment · *, *, * · other and general
TSO-C6D · Direction Instrument, Magnetic (Gyroscopically Stabilized) · *, *, * · instruments and avionics

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.