# N635SC: 2021 Piper PA-28-181

- Status: Valid registration
- Airframe: [Piper PA-28-181](https://openairdocs.org/model/piper-pa-28-181) (registry code 7102832, 4 seats)
- Engine: [Lycoming IO-360-B4A](https://openairdocs.org/engine/lycoming-io-360-b4a) (registry code 41867)
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13) (Piper Aircraft Inc.), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (Lycoming Engines) (OpenAirDocs)
- Serial number: 2881434
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: January 12, 2021
- Certificate issued: March 22, 2023
- Expires: March 31, 2030
- Mode S code: A851E2
- Registered owner: [Spartan Education LLC](https://openairdocs.org/faa-owner/SPARTAN%20EDUCATION%20LLC)
- Location: [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)
- Owner type: LLC
- Owner's area on the map: 36.1993° N, 95.9089° W: Placed by OpenAirDocs at the center of ZIP code 74115, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=635SC
- Page: https://openairdocs.org/aircraft/N635SC

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 57 in force

### Matched by airframe (Piper PA-28-181)

- [AD 2024-14-03](https://openairdocs.org/ad/2024-14-03): Autopilot System · Garmin GFC 500 Autopilot (STC SA01866WI). Effective Aug 20, 2024
- [AD 2024-10-04](https://openairdocs.org/ad/2024-10-04): Wing, Attach Fittings · Piper PA-28-181, PA-28R-201, PA-44-180 and 1 more. Effective Jun 6, 2024
- [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 2020-26-16](https://openairdocs.org/ad/2020-26-16): Wing Spar · Piper PA-28-151, PA-28-161, PA-28-181 and 12 more. Effective Feb 16, 2021
- [AD 2018-07-03](https://openairdocs.org/ad/2018-07-03): Placard and Markings · Piper PA-28-140, PA-28-150, PA-28-151 and 12 more. Effective Apr 20, 2018
- [AD 2017-14-04](https://openairdocs.org/ad/2017-14-04): Engine Oil · Piper PA-28-140, PA-28-150, PA-28-151 and 22 more. Effective Aug 15, 2017
- [AD 2016-07-21](https://openairdocs.org/ad/2016-07-21): Wing Ribs/Bulkhead · Piper PA-28-161, PA-28-181 and PA-28R-201. Effective Apr 26, 2016
- [AD 2013-02-13](https://openairdocs.org/ad/2013-02-13): Stabilizer Control System · Piper PA-28-140, PA-28-150, PA-28-151 and 33 more. Effective Mar 11, 2013
- [AD 2010-15-10](https://openairdocs.org/ad/2010-15-10): Control wheel shafts · Piper PA-28-140, PA-28-150, PA-28-151 and 33 more. Effective Aug 31, 2010
- [AD 2009-05-05](https://openairdocs.org/ad/2009-05-05): Primary Flight Displays · Avidyne Primary Flight Display (S-TEC STC SA09543AC-D or 2 others). Effective Apr 3, 2009
- [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006
- [AD 2005-25-08](https://openairdocs.org/ad/2005-25-08): Electronic Flight Information System (EFIS) · B-N Group BN-2A, 172, 180 and 22 more. Effective Jan 23, 2006
- [AD 2005-19-20](https://openairdocs.org/ad/2005-19-20): Bushing screw thread expanders · Piper PA-28-160, PA-28-161, PA-28-180 and 1 more. Effective Nov 4, 2005
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2004-14-12](https://openairdocs.org/ad/2004-14-12): Control wheel attaching hardware · Piper PA-28-161, PA-28-181, PA-28R-201 and 8 more. Effective Aug 10, 2004
- [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001
- [AD 98-21-21 R1](https://openairdocs.org/ad/98-21-21-R1): Electric Inflatable Door Seals · Cessna 17-30, 17-30A, 17-31 and 267 more. Effective May 1, 2000
- [AD 99-05-09](https://openairdocs.org/ad/99-05-09): Induction Air Filter · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 20 more. Effective Mar 19, 1999
- [AD 96-10-03](https://openairdocs.org/ad/96-10-03): Flap Handle Attach Bolt · Piper PA-28-140, PA-28-150, PA-28-151 and 28 more. Effective Jun 14, 1996
- [AD 87-08-08 R3](https://openairdocs.org/ad/87-08-08-R3): Lower spar cap · Piper PA-28-140, PA-28-150, PA-28-151 and 28 more. Effective May 22, 1989
- [AD 86-17-01](https://openairdocs.org/ad/86-17-01): Ammeter Replacement · Piper PA-28-150, PA-28-160, PA-28-180 and 20 more. Effective Aug 21, 1986
- [AD 85-23-07](https://openairdocs.org/ad/85-23-07): Autopilot Systems · Aerostar PA-60-700P (Aerostar 700P), 172L, 172P and 37 more. Effective Jan 27, 1986
- [AD 80-14-02](https://openairdocs.org/ad/80-14-02): Throttle Cable · Piper PA-28-181, PA-32-300 and PA-32R-300. Effective Jul 10, 1980
- [AD 80-14-03](https://openairdocs.org/ad/80-14-03): Bendix, King or Narco Transmitters · Piper PA-28-161, PA-28-181, PA-28-201T and 16 more. Effective Jul 1, 1980
- [AD 79-26-05](https://openairdocs.org/ad/79-26-05): Oil and Fuel System Hoses · Piper PA-28-140, PA-28-150, PA-28-151 and 28 more. Effective Jan 3, 1980
- [AD 79-22-02](https://openairdocs.org/ad/79-22-02): Fuel Leakage · Piper PA-28-161, PA-28-181, PA-28-201T and 6 more. Effective Oct 26, 1979
- [AD 79-13-03](https://openairdocs.org/ad/79-13-03): Fire Hazard Prevention · Piper PA-28-161, PA-28-181, PA-28-201T and 5 more. Effective Jun 8, 1979
- [AD 79-07-02](https://openairdocs.org/ad/79-07-02): Batteries · Aircraft Parts & Development A, A-2, A-3 and 149 more. Effective Apr 3, 1979
- [AD 77-23-03](https://openairdocs.org/ad/77-23-03): Rod End Bearings · Piper PA-28-140, PA-28-151, PA-28-161 and 12 more. Effective Nov 14, 1977
- [AD 77-01-01](https://openairdocs.org/ad/77-01-01): Fuel Quantity Gauge · Piper PA-28-140, PA-28-150, PA-28-151 and 7 more. Effective Jan 7, 1977

### Matched by engine (Lycoming IO-360-B4A)

- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017
- [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015
- [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [AD 2007-04-19 R1](https://openairdocs.org/ad/2007-04-19-R1): SAP cylinder assemblies · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 314 more. Effective May 7, 2007
- [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006
- [AD 2006-10-21](https://openairdocs.org/ad/2006-10-21): ECi connecting rods · Engine Components Reciprocating Engine Connecting Rods, AEIO-360-B1B, AEIO-360-B1D and 171 more. Effective Jun 22, 2006
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003
- [AD 98-02-08](https://openairdocs.org/ad/98-02-08): Crankshaft · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 216 more. Effective Mar 30, 1998
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 96-23-03](https://openairdocs.org/ad/96-23-03): High pressure fuel pumps · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 174 more. Effective Dec 23, 1996
- [AD 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 1996
- [AD 95-07-01](https://openairdocs.org/ad/95-07-01): Connecting Rod Bolt · Lycoming Engines AEIO-360-A1E, AEIO-360-B1G6, AEIO-360-H1A and 177 more. Effective Apr 12, 1995
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 87-10-06 R1](https://openairdocs.org/ad/87-10-06-R1): Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more. Effective Sep 1, 1989
- [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979
- [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978
- [AD 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977
- [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977
- [AD 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975
- [AD 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973
- [AD 67-01-04](https://openairdocs.org/ad/67-01-04): Oil Filters · Full flow oil filter (Superior Flow STC SA401SW or 2 others). Effective Jan 2, 1967

### Historical (superseded or no longer in force)

- [AD 2018-02-05](https://openairdocs.org/ad/2018-02-05) (historical): Placard and Markings · Piper PA-28-140, PA-28-150, PA-28-151 and 12 more. Effective Feb 7, 2018
- [AD 2015-20-13](https://openairdocs.org/ad/2015-20-13) (historical): Wing Ribs/Bulkhead · Piper PA-28-161, PA-28-181 and PA-28R-201. Effective Oct 29, 2015
- [AD 2008-06-28 R1](https://openairdocs.org/ad/2008-06-28-R1) (historical): Primary Flight Displays (PFDs) · Avidyne Primary Flight Displays, 441, LC41-550FG and 22 more. Effective Apr 10, 2008
- [AD 2008-06-28](https://openairdocs.org/ad/2008-06-28) (historical): Primary flight display · Avidyne Primary Flight Display (S-TEC STC SA09543AC-D or 2 others). Effective Apr 10, 2008
- [AD 95-26-13](https://openairdocs.org/ad/95-26-13) (historical): Inspect Oil Cooler Hoses · Piper PA-28-140, PA-28-150, PA-28-151 and 22 more. Effective Feb 5, 1996
- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-19-05](https://openairdocs.org/ad/2008-19-05) (historical): Parallel Valve'' reciprocating engines · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 262 more. Effective Oct 20, 2008
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006
- [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003
- [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998
- [AD 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982

## Information bulletins (advisory) (23 in force)

- [SAIB 2022-20](https://openairdocs.org/saib/2022-20): Wing Spar. Issued Oct 19, 2022
- [SAIB AIR-21-10](https://openairdocs.org/saib/AIR-21-10): Wing, Attach Fittings (JASC 5740). Issued Jun 29, 2021
- [SAIB AIR-21-07](https://openairdocs.org/saib/AIR-21-07): WING SPAR, Verification of Correct Washers used with Wing Spar Attach Bolts. Issued Mar 30, 2021
- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018
- [SAIB CE-11-12R1](https://openairdocs.org/saib/CE-11-12R1): Wings - PA-28, PA-32, PA-34, and PA-44 Rear Spar Corrosion at Fuselage Attach Fitting. Issued Dec 2, 2015
- [SAIB CE-14-23](https://openairdocs.org/saib/CE-14-23): Powerplant; Air Intake. Issued Aug 6, 2014
- [SAIB CE-11-42](https://openairdocs.org/saib/CE-11-42): Flight Controls: Control Cable/Pulley Inspections. Issued Jun 29, 2011
- [SAIB CE-11-14](https://openairdocs.org/saib/CE-11-14): Stabilizers- Vertical Stabilizer on Piper PA-28, PA-32, PA-34 Forward Attach Point Corrosion. Issued Jan 5, 2011
- [SAIB CE-11-13](https://openairdocs.org/saib/CE-11-13): Wings - Piper PA-28, PA-32, PA-34 Forward Spar Corrosion. Issued Jan 5, 2011
- [SAIB CE-11-11](https://openairdocs.org/saib/CE-11-11): Wings - Piper PA-28, PA-32, and PA-34 Aileron Hinge Fitting Corrosion. Issued Jan 5, 2011
- [SAIB CE-11-10](https://openairdocs.org/saib/CE-11-10): Piper PA-28, PA-32, PA-34, and PA-44 Corrosion on Flap Hinges, Brackets, and Ribs. Issued Jan 5, 2011
- [SAIB CE-11-01](https://openairdocs.org/saib/CE-11-01): Stabilizers -Horizontal Stabilator   Turnbuckle. Issued Oct 4, 2010
- [SAIB CE-09-23](https://openairdocs.org/saib/CE-09-23): Fuel: Piper PA-28, PA-32, PA-34. Issued Apr 7, 2009
- [SAIB CE-09-17](https://openairdocs.org/saib/CE-09-17): Fuel: Piper PA-28 Series Aircraft Fuel Vent and Supply Hose Condition. Issued Mar 10, 2009
- [SAIB CE-08-13](https://openairdocs.org/saib/CE-08-13): Electrical Power. Issued Feb 27, 2008
- [SAIB CE-07-08](https://openairdocs.org/saib/CE-07-08): Avidyne Primary Flight display (PFD). Issued Oct 31, 2006
- [SAIB CE-01-30](https://openairdocs.org/saib/CE-01-30): . Issued Jul 11, 2001
- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw. Issued May 13, 2016
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-13-06](https://openairdocs.org/saib/NE-13-06): Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines. Issued Nov 21, 2012
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB CE-11-12](https://openairdocs.org/saib/CE-11-12) (historical): PA-28, PA-32, PA-34, and PA-44 Rear Spar Corrosion at Fuselage Attach Fitting. Issued Jan 5, 2011
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008

## NTSB investigations

None matched to N635SC.

## FAA accident and incident reports

None matched to N635SC.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (375, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Piper PA-28-181)

- [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 SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA01134DE](https://openairdocs.org/stc/SA01134DE): Installation of EarthX ETX680-24-TSO Lithium Battery. EarthX Inc
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA02661LA](https://openairdocs.org/stc/SA02661LA): Installation to enlarge the existing main landing gear over-wing access hole in the upper wing skin. M2 Aviation Soultions LLC
- [STC SA01147WI](https://openairdocs.org/stc/SA01147WI): Installation of Concorde FLA or VRSLA series batteries in Piper Light Airplanes. Concorde Battery Corporation
- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA01866WI](https://openairdocs.org/stc/SA01866WI): Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection. Garmin International Inc
- [STC SA04075CH](https://openairdocs.org/stc/SA04075CH): Installation of Dynon EFIS-D10A EAA sales kit part number 102778-000. Dynon Avionics Inc
- [STC SA01005DE](https://openairdocs.org/stc/SA01005DE): Installation of a EarthX ETX900-TSO Lithium battery. EarthX Inc
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC
- [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC. Lists PA-28 Series
- [STC SA02168AT](https://openairdocs.org/stc/SA02168AT): Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System. Power Flow Systems Inc
- [STC SA316SO](https://openairdocs.org/stc/SA316SO): Carburetor ice detector. LegacySTC.com. Lists PA-28 Series
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA00037WI](https://openairdocs.org/stc/SA00037WI): Installation of B & C Specialty Products BC100-1 battery. B & C Specialty Products Inc
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd
- [STC SA01120SE](https://openairdocs.org/stc/SA01120SE): Installation of Door Steward. Mountain View Aviation LLC
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [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 SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft. Michelin North America 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 SA04400NY](https://openairdocs.org/stc/SA04400NY): Installation of the Integrated Back-up Battery System (IBBS). TCW Technologies LLC
- [STC SA04192NY](https://openairdocs.org/stc/SA04192NY): KFD 900 Primary Flight Display System Additional Functions. Honeywell International Inc
- [STC SA00060AT](https://openairdocs.org/stc/SA00060AT): Installation of flap gap seals. Whelen Aerospace Technologies. Lists PA-28 Series
- [STC SA01038AT](https://openairdocs.org/stc/SA01038AT): Installation of composite construction wingtips with Hoernr chordwise section with a clear plexiglass nose enclosure for aircraft lighting. (PA-28, -28R, -32, -32R, -34 series MODELS WITH CONSTANT-CHORD WINGS). Whelen Aerospace Technologies. Lists PA-28 Series
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA04586CH](https://openairdocs.org/stc/SA04586CH): Installation of Electroair Back Up Battery Panel System Control. Electroair Aquisition Corp
- [STC SA2156CE](https://openairdocs.org/stc/SA2156CE): Installation of flap and aileron gap seals. Curry Aviation LLC
- [STC SA2230CE](https://openairdocs.org/stc/SA2230CE): Installation of replacement stabilator tips. Curry Aviation LLC
- [STC SA00076IB](https://openairdocs.org/stc/SA00076IB): Installation of Photo luminescent Safety Systems. STG AEROSPACE GERMANY GmbH
- [STC SA00954WI](https://openairdocs.org/stc/SA00954WI): Installation of Concorde RG Series Batteries in Piper Single Engine Airplanes. Aero-Mach Wilco LLC
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA01982AT](https://openairdocs.org/stc/SA01982AT): Installation of new composite wingtip with recognition light. Whelen Aerospace Technologies
- [STC SA00028AT](https://openairdocs.org/stc/SA00028AT): Installation of 'speed splitter' flap bracket fairings. Whelen Aerospace Technologies. Lists PA-28 Series
- [STC SA04231CH](https://openairdocs.org/stc/SA04231CH): Installation and activation of a TruTrak Vizion autopilot system. Honeywell International Inc
- [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc

All 375: https://openairdocs.org/aircraft/N635SC/stcs.md

## Related

- Other Piper PA-28-181 aircraft: https://openairdocs.org/model/piper-pa-28-181/aircraft.md
- The Lycoming IO-360-B4A engine: https://openairdocs.org/engine/lycoming-io-360-b4a.md

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