# Pitts Williams S1T

- Type: Aircraft model (FAA registry)
- Registry code: 056207O
- Manufacturer (registry): PITTS WILLIAMS
- Model: S1T
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 1
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Data sheet: [TCDS A8SO](https://openairdocs.org/tcds/A8SO) (OpenAirDocs)
- Holder: Aviat Aircraft Inc.
- Registered aircraft: 0
- Page: https://openairdocs.org/model/pitts-williams-s1t

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 96-12-03 R2](https://openairdocs.org/ad/96-12-03-R2): Aft Lower Fuselage Wing Attach Fittings · Aviat S-1S, S-1T, S-2 and 3 more. Effective Nov 20, 1998
- [AD 96-10-12](https://openairdocs.org/ad/96-10-12): Flight Control Stick · Aviat S-1S, S-1T, S-2 and 3 more. Effective Jun 7, 1996

Historical (superseded or no longer in force):

- [AD 96-12-03 R1](https://openairdocs.org/ad/96-12-03-R1) (historical): Aft Lower Fuselage Wing Attach Fitting · Sky International S-1S, S-1T, S-2 and 3 more. Effective Oct 3, 1997
- [AD 96-12-03](https://openairdocs.org/ad/96-12-03) (historical): Aft Lower Fuselage Wing Attach Fitting · Sky International S-1S, S-1T, S-2 and 3 more. Effective Jun 24, 1996

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## STCs that may be installed (OpenAirDocs) (85, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA12428CH](https://openairdocs.org/stc/SA12428CH): Installation of the Lycoming Engines Electronic Ignition System (EIS). Lycoming Engines, An Operating Division of AVCO Corporation
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [STC SA01005DE](https://openairdocs.org/stc/SA01005DE): Installation of a EarthX ETX900-TSO Lithium battery. EarthX Inc
- [STC SA12223IB](https://openairdocs.org/stc/SA12223IB): Installation of Beringer wheel and brake assembly. Air Projet
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system. Shady Aviation LLC
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc
- [STC SA02553AK](https://openairdocs.org/stc/SA02553AK): Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener. Keller Engineering Group LLC
- [STC SA11174SC PAGE 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA02430SE](https://openairdocs.org/stc/SA02430SE): Fabrication and installation of a camera housing. Airborne Sensor LLC
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): 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 SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA00024NY](https://openairdocs.org/stc/SA00024NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K007 on single or multi-engine fixed wing light aircraft incorporating Lycoming reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc
- [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes. Avidyne Corporation
- [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): 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): 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 SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. Andrew D. Humphrey
- [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc
- [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc
- [STC SA01229SE PAGE 1](https://openairdocs.org/stc/SA01229SE%20PAGE%201): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios. Garmin International Inc
- [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC
- [STC SA01933LA-D PAGE 2](https://openairdocs.org/stc/SA01933LA-D%20PAGE%202): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc
- [STC SA02930NY](https://openairdocs.org/stc/SA02930NY): Installation of Insight Instrument Corporation Graphic Engine Monitor (GEM 610C) models G3, G2, and G1 and 1200C model G4 as primary Cylinder Head Temperature (CHT), Exhaust Gas Temperature (EGT), and Turbine Inlet Temperature (TIT) Instruments. Insight Instrument Corporation
- [STC SA02283SE PAGE 1](https://openairdocs.org/stc/SA02283SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc
- [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc
- [STC SA02717NY PAGE 1](https://openairdocs.org/stc/SA02717NY%20PAGE%201): Installation of VoiceFlight Systems LLC VFS101 Speech Recognition Module. VoiceFlight Systems LLC
- [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments
- [STC SA02825NY PAGE 1](https://openairdocs.org/stc/SA02825NY%20PAGE%201): Installation of Aerospace Logic Aircraft Instruments. Aerospace Logic Inc
- [STC SA03148NY](https://openairdocs.org/stc/SA03148NY): The installation of the Latitude Technologies Corporation S100 Tracking System. Latitude Technologies Corporation
- [STC SA5156NM](https://openairdocs.org/stc/SA5156NM): Fabrication and installation of Pulsar-MOSFET Landing Light Flasher System. AvTek
- [STC SA01487SE-D](https://openairdocs.org/stc/SA01487SE-D): Installation of a GDL 69 or GDL 69A XM Satellite Receiver. Garmin International Inc
- [STC SA00243BO](https://openairdocs.org/stc/SA00243BO): Installation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200). Icarus Avionics, LLC
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc

All 85: https://openairdocs.org/model/pitts-williams-s1t/stcs.md

## PMA parts (OpenAirDocs) (32)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [066-001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124558103820260723131531.0001): Rivet. Game Aerospace, LLC · PMA PQ00052CB · Replaces Cleveland Wheels and Brakes P/N… · Jun 9, 2026
- [066-106](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117168285820260728184415.0001): Brake Lining. Game Aerospace, LLC · PMA PQ00052CB · Replaces Cleveland Wheels and Brakes P/N… · Jun 9, 2026
- [RAP164-01700](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138051271320250829181747.0001): Brake Disc. Rapco Inc · PMA PQ2101CE · Replaces 164-01700 Cleveland · Aug 27, 2025
- [MDL TD 031851](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122073193320250508133539.0001): VA-1A( )AndAccessories. Electronics International Inc · PMA PQ0088NM · Modification part · Apr 10, 2025
- [MDL103216-000](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119388274620240221143420.0001): SkyView HDX Instrumentation. Dynon Avionics, Inc. · PMA PQ05359NM · Modification part · Jan 26, 2024
- [UAV-1004236-001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148944836720230707211228.0001): AV-30-C. uAvionix Corporation · PMA PQ05445NM · Modification part · Jun 28, 2023
- [EA-20000](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193214903620220525194018.0001): Four-Cylinder Ignition Controller. Electroair Acquisition Corporation · PMA PQ4141CE · Modification part · Apr 25, 2022
- [EA-22000T](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181569351320220525194126.0001): Controller Wire Harness- Twin (14 Pin). Electroair Acquisition Corporation · PMA PQ4141CE · Modification part · Apr 25, 2022
- [EA-22000](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151446123220220525194053.0001): Controller Wire Harness (14 Pin). Electroair Acquisition Corporation · PMA PQ4141CE · Modification part · Apr 25, 2022
- [EA-23000-A](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID785536988220210923143649.0001): EA-23000 Ignition/Starter Switch Panel. Electroair Acquisition Corporation · PMA PQ4141CE · Modification part · Jul 28, 2021
- [700-00190-100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID510439420202109211425340.0001): SkyTrax 100B/200 ADS-B Receiver. Avidyne Corporation · PMA PQ4035CE · Replaces ModificationPart · Jul 28, 2021
- [EA-23000-A](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID237156131420210923143751.0001): EA-23000 Ignition/Starter Switch Panel. Electroair Acquisition Corporation · PMA PQ4141CE · Modification part · Jul 28, 2021
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID907289313920210702175213.0001): Aspen Avionics · PMA PQ03868SW · Jan 20, 2021
- [VSF-7203A](https://drs.faa.gov/browse/excelExternalWindow/4C87F1734FB1C26286257BAD006CFBB2.0001): Voltage Regulator 14V. Lamar Technologies LLC · PMA PQ2242NM · Replaces Pitts Aerobatic 61230, Continental… · Jun 13, 2013
- [VSF-7203A](https://drs.faa.gov/browse/excelExternalWindow/911BD7365A1846F986257B6300694568.0001): Voltage Regulator 14V. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Pitts Aerobatic 61230, Continental… · Feb 24, 2013
- [B-00371-3](https://drs.faa.gov/browse/excelExternalWindow/BB3107A8049C267086257AB60074824E.0001): Alternator Control, 14V. Lamar Technologies LLC · PMA PQ2242NM · Replaces B-00371-3 · Oct 28, 2012
- [RA105-00200](https://drs.faa.gov/browse/excelExternalWindow/B5932B14FAF5319086257B1A00709093.0001): Rivet. Rapco Inc · PMA PQ2101CE · Replaces Cleveland Wheels & Brakes P/N… · Jul 20, 2012
- [RA066-10600-4K](https://drs.faa.gov/browse/excelExternalWindow/8DC9173990649DEC86257B1A00708D02.0001): Brake Lining Kit. Rapco Inc · PMA PQ2101CE · Replaces Rapco, Inc. P/N RA66-106-4K… · Jul 20, 2012
- [RA066-10600](https://drs.faa.gov/browse/excelExternalWindow/000E73ACE1EBEAC186257B1A007089FB.0001): Brake Lining. Rapco Inc · PMA PQ2101CE · Replaces Cleveland Wheels & Brakes P/N… · Jul 20, 2012
- [B-00371-3](https://drs.faa.gov/browse/excelExternalWindow/6CE7F3D1758F9D7A86257AB60073239F.0001): Alternator Control, 14V. Lamar Technologies LLC · PMA PQ2242NM · Replaces B-00371-3 · Dec 14, 2010
- [VSF-7203A](https://drs.faa.gov/browse/excelExternalWindow/A32972DD665C86AF862577FB00554D23.0001): Voltage Regulator 14V. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Pitts Aerobatic 61230, Continental… · Oct 21, 2010
- [ATF6-58](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105304064720250130180508.0001): Propeller Control Unit Constant Speed. Aero Technologies LLC · PMA PQ2724CE · Replaces Hartzell F-6-58( ) · Oct 3, 2005
- [G-25S](https://drs.faa.gov/browse/excelExternalWindow/964E5F677CC0AE938525704D0051E5DB.0001): Battery. Teledyne Battery Products · Replaces RG-25 · Feb 27, 2003
- [3600](https://drs.faa.gov/browse/excelExternalWindow/5F0BA2D6EB71E0068525704A0053D0CC.0001): Brake Hydraulic Master Cylinder. Pitts Aviation Enterprises Inc · Replaces TC Holder 10-19D Cleveland Wheel and… · Jul 15, 2002
- [APS175-01700](https://drs.faa.gov/browse/excelExternalWindow/26010EEFFC8EDA4D8525703C006B159C.0001): Brake Disc- Stainless. Aviation Products Systems Inc · Replaces 64-17, 164-01700 · May 7, 2002
- [APS164-01700](https://drs.faa.gov/browse/excelExternalWindow/0CF80FE52073FA338525703C006B157E.0001): Brake Disc. Aviation Products Systems Inc · Replaces AA-17, SB164-01700, 164-01700 · May 7, 2002
- [K-1001](https://drs.faa.gov/browse/excelExternalWindow/FF8204C748DED3FC8525704D0051E68C.0001): SlickStart Installation Kit. Unison Industries (formerly Slick Aircraft Products) · PMA PQ2050CE · Modification part · Jun 28, 2000
- [SS-1002](https://drs.faa.gov/browse/excelExternalWindow/7BEE4FD00C29CF898525704D005627B8.0001): SlickStart Assembly. Unison Industries (formerly Slick Aircraft Products) · PMA PQ2050CE · Modification part · Jun 28, 2000
- [SS-1002](https://drs.faa.gov/browse/excelExternalWindow/4345601E5C1714E4862573E8007582E1.0001): Slick START  Assembly. Unison Industries (formerly Slick Aircraft Products) · PMA PQ2050CE · Modification part · Apr 16, 1998
- [SS-1001](https://drs.faa.gov/browse/excelExternalWindow/C7E32203B0D0EC7E8525704C00570B73.0001): Slick START TM Installation. Slick Aircraft Products, Division of Unison Ind · Modification part · Dec 2, 1997
- [K-1001](https://drs.faa.gov/browse/excelExternalWindow/79670B8722A2299A8525704C00516146.0001): Slick START TM Installation. Slick Aircraft Products, Division of Unison Ind · Modification part · Dec 2, 1997
- [AFC-K007 DTD 6-8-93 INSTALLATION DWG LIST AFC-K007 DTD 6-8-93 INSTALLATION MAINTENANCE INSTRUCTIONS AFC-K007-MI DTD 3-30-93 OR LATER FAA APPROVED REV](https://drs.faa.gov/browse/excelExternalWindow/3BB06625D9BF0E85862573E000641E5B.0001): REMOTE MOUNT OIL FILTER KIT. Airwolf Filter Corp · PMA PQ2480CE · Modification part · Jan 7, 1994

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Pitts S-1T](https://openairdocs.org/model/pitts-s-1t): 12 registered aircraft, registry code 7220404
- [Aviat PITTS S-1T](https://openairdocs.org/model/aviat-pitts-s-1t): 4 registered aircraft, registry code 2210310
- [Pitts Acrobatics PITTS S-1T](https://openairdocs.org/model/pitts-acrobatics-pitts-s-1t): 2 registered aircraft, registry code 7220700
- [Leach Ted S1-T](https://openairdocs.org/model/leach-ted-s1-t): 1 registered aircraft, registry code 05603ID
- [Pitts C H S-1T](https://openairdocs.org/model/pitts-c-h-s-1t): 1 registered aircraft, registry code 7220403
- [Aviat PITTS S-1T](https://openairdocs.org/model/aviat-pitts-s-1t): 0 registered aircraft, registry code 2210402
- [Pitts-Tubb PITTS SPECIAL S-1-T](https://openairdocs.org/model/pitts-tubb-pitts-special-s-1-t): 0 registered aircraft, registry code 722024A
- [Soper Steven E S-1T](https://openairdocs.org/model/soper-steven-e-s-1t): 0 registered aircraft, registry code 7221323

---
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.