# N25SW: Socata TB-20 TRINIDAD

- Status: Valid registration
- Airframe: Socata TB-20 TRINIDAD (registry code 8680695, TCDS A51EU (OpenAirDocs match))
- Engine: Lycoming IO-540 series (registry code 41530, TCDS 1E4 (OpenAirDocs match))
- Serial number: 360
- Type: Fixed wing single engine
- Airworthiness: Standard, normal
- Airworthiness date: February 23, 1984
- Certificate issued: November 29, 2023
- Expires: November 30, 2030
- Mode S code: A256CA
- Registered owner: Micro Mechanical LLC
- Location: Port Orange, FL
- Owner's area on the map: 29.1370° N, 81.0240° W: Placed by OpenAirDocs at the center of ZIP code 32129, within about 2 miles (OpenAirDocs)
- Page: https://openairdocs.org/aircraft/N25SW

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 matched by airframe (Socata TB-20 TRINIDAD) (OpenAirDocs)

- [AD 2024-14-03](https://openairdocs.org/ad/2024-14-03): Autopilot System · Garmin GFC 500 Autopilot (STC SA01866WI). Effective Aug 20, 2024
- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI). Effective Mar 21, 2022
- [AD 2021-24-16](https://openairdocs.org/ad/2021-24-16): Landing Gear System · Daher Aerospace TB 20 and TB 21. Effective Jan 18, 2022
- [AD 2015-24-03](https://openairdocs.org/ad/2015-24-03): Stabilizers · SOCATA TB 10, TB 20, TB 200 and 2 more. Effective Jan 4, 2016
- [AD 2007-02-04](https://openairdocs.org/ad/2007-02-04): Wing spar lower boom and the wheel fairing attaching screw · SOCATA TB 20 and TB 21. Effective Feb 26, 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 2006-03-08](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 2005-01-19](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 2003-26-06](https://openairdocs.org/ad/2003-26-06): Safety Belts and Restraint Systems · Anjou Aeronautique Safety Belts and Restraint Systems, AS332C, AS332L and 14 more. Effective Feb 17, 2004
- [AD 2003-04-03](https://openairdocs.org/ad/2003-04-03): Aileron control gimbal joint · SOCATA TB 10, TB 20, TB 200 and 2 more. Effective Apr 7, 2003
- [AD 2001-23-05](https://openairdocs.org/ad/2001-23-05): Front Seats · SOCATA TB 10, TB 20, TB 200 and 2 more. Effective Jan 4, 2002
- [AD 2001-23-04](https://openairdocs.org/ad/2001-23-04): Lower Rudder Hinge Fitting · SOCATA TB 10, TB 20, TB 200 and 2 more. Effective Jan 4, 2002
- [AD 2001-10-09](https://openairdocs.org/ad/2001-10-09): Automatic Flight Control Systems · Aerostar PA-60-700P (Aerostar 700P), 208, 208B and 15 more. Effective Jun 15, 2001
- [AD 98-18-13](https://openairdocs.org/ad/98-18-13): Main Landing Gear Attachment Bearing · SOCATA TB 20 and TB 21. Effective Oct 24, 1998
- [AD 98-04-03](https://openairdocs.org/ad/98-04-03): Bolts and Spacers of the Upper Attachments of the Front Belts · SOCATA TB 10, TB 20, TB 200 and 2 more. Effective Mar 24, 1998
- [AD 91-15-10](https://openairdocs.org/ad/91-15-10): Horizontal Stabilizer Balance Weight Attachment Nuts · SOCATA TB 10, TB 20, TB 21 and 1 more. Effective Aug 10, 1991
- [AD 91-05-02](https://openairdocs.org/ad/91-05-02): Landing Gear Mount · SOCATA TB 20 and TB 21. Effective Mar 25, 1991
- [AD 90-25-17](https://openairdocs.org/ad/90-25-17): Oil Cooler Inlet · SOCATA TB 10, TB 20, TB 21 and 1 more. Effective Jan 3, 1991
- [AD 90-02-18 R1](https://openairdocs.org/ad/90-02-18-R1): Fuel System · SOCATA TB 10, TB 20, TB 21 and 1 more. Effective Jun 13, 1990
- [AD 87-12-09 R1](https://openairdocs.org/ad/87-12-09-R1): Aileron Weight Attach Rivets · SOCATA TB 20 and TB 21. Effective Jun 25, 1989
- [AD 88-02-05](https://openairdocs.org/ad/88-02-05): Main Landing Gear · SOCATA TB 20 and TB 21. Effective Feb 20, 1988
- [AD 87-22-02 R1](https://openairdocs.org/ad/87-22-02-R1): Inspect for Cracks · SOCATA TB 10, TB 20 and TB 21. Effective Feb 20, 1988
- [AD 87-03-11](https://openairdocs.org/ad/87-03-11): Stabilator Rod Ends · SOCATA TB 10, TB 20 and TB 21. Effective Mar 11, 1987
- [AD 86-21-08](https://openairdocs.org/ad/86-21-08): Battery Tray · SOCATA TB 10 and TB 20. Effective Oct 24, 1986
- [AD 86-17-03](https://openairdocs.org/ad/86-17-03): Elevator Attachments · SOCATA TB 20. Effective Sep 22, 1986
- [AD 85-25-02](https://openairdocs.org/ad/85-25-02): Autopilot Systems · King Radio Autopilot Systems, M20J, M20K and 1 more. Effective Jan 27, 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

## ADs matched by engine (Lycoming IO-540 series) (OpenAirDocs)

- [AD 2026-17-10](https://openairdocs.org/ad/2026-17-10): Reciprocating Engine Cylinder Section · Lycoming Engines O-235, O-235-A, O-235-AP and 159 more. Effective Sep 14, 2026
- [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 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023
- [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [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 2015-02-07](https://openairdocs.org/ad/2015-02-07): Propeller governor shaft set screw · Lycoming Engines AEIO-320-D1B, AEIO-360-A1E, AEIO-360-A1E6 and 10 more. Effective Mar 11, 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 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010
- [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 2005-19-11](https://openairdocs.org/ad/2005-19-11): Crankshafts · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 59 more. Effective Oct 21, 2005
- [AD 2005-12-06](https://openairdocs.org/ad/2005-12-06): Riveted-impulse coupling assemblies and snap-ring coupling assemblies · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 154 more. Effective Jul 19, 2005
- [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 2004-05-24](https://openairdocs.org/ad/2004-05-24): Zinc-plated Crankshaft Gear Retaining Bolts · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 161 more. Effective Mar 30, 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 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002
- [AD 2002-12-07](https://openairdocs.org/ad/2002-12-07): Oil Filter Converter Plate Gasket or the Converter Plate Kit · Lycoming Engines HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 95 more. Effective Jul 3, 2002
- [AD 99-04-04](https://openairdocs.org/ad/99-04-04): Impulse Coupling Pawl · Lycoming Engines IO-540-K1A5, IO-540-K1B5, IO-540-K1G5 and 6 more. Effective Feb 25, 1999
- [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 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 97-01-04](https://openairdocs.org/ad/97-01-04): Cylinder assemblies · Lycoming Engines IO-540-M1B5D, LTIO-540-F2BD, LTIO-540-J2B and 10 more. Effective Apr 22, 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 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 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 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 83-22-04](https://openairdocs.org/ad/83-22-04): Injector Fuel Diaphragm Stem · Lycoming Engines AEIO-540-L1B5D, IO-540-AA1A5, IO-540-G1B5 and 30 more. Effective Nov 4, 1983
- [AD 81-03-05](https://openairdocs.org/ad/81-03-05): Mixture Control Shaft Assembly · Lycoming Engines IGO-540-A1A, IGO-540-B1A, IGO-540-B1C and 9 more. Effective Feb 11, 1981
- [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 78-23-08](https://openairdocs.org/ad/78-23-08): Fuel Pump To Fuel Injector Tube Elbow · Lycoming Engines IO-540-G1B5, IO-540-K1F5, IO-540-P1A5 and 1 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 69-08-09](https://openairdocs.org/ad/69-08-09): Lycoming Engines IO-540-G1A5. Effective Apr 23, 1969
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969
- [AD 67-22-06](https://openairdocs.org/ad/67-22-06): Fuel Injectors · Lycoming Engines HIO-360-A1A, HIO-360-B1A, HIO-360-B1B and 28 more. Effective Aug 9, 1967
- [AD 66-20-04](https://openairdocs.org/ad/66-20-04): Oil Filter Adapter Gasket · Lycoming Engines IO-320-A1A, IO-320-A2A, IO-320-B1A and 121 more. Effective Aug 27, 1966
- [AD 64-16-05](https://openairdocs.org/ad/64-16-05): AC Pumps · Lycoming Engines HIO-360-B1A, HIO-360-B1B, IO-320-B1A and 86 more. Effective Jul 10, 1964
- [AD 63-14-03](https://openairdocs.org/ad/63-14-03): Oil Pump Drive Shaft · Lycoming Engines IO-540-A1A5, IO-540-B1A5, IO-540-B1B5 and 21 more. Effective Jul 6, 1963

Historical (superseded or no longer in force): AD 2024-21-02, AD 2011-26-04, AD 2011-15-10, AD 2008-19-05, AD 2008-14-07, AD 2008-08-14, AD 2008-06-51, AD 2006-20-09, AD 2005-26-10, AD 2002-26-01, AD 2002-23-06, AD 2002-20-51, AD 2000-18-53, AD 98-18-12, AD 81-18-04 R2

## Information bulletins (advisory)

- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
- [SAIB CE-04-14](https://openairdocs.org/saib/CE-04-14): 
- [SAIB CE-04-08](https://openairdocs.org/saib/CE-04-08): 
- [SAIB CE-04-07](https://openairdocs.org/saib/CE-04-07): 
- [SAIB CE-02-13](https://openairdocs.org/saib/CE-02-13): 
- [SAIB CE-01-15](https://openairdocs.org/saib/CE-01-15): 
- [SAIB ACE-98-25](https://openairdocs.org/saib/ACE-98-25): 
- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs
- [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
- [SAIB NE-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft
- [SAIB NE-08-26R1](https://openairdocs.org/saib/NE-08-26R1): Dual Magnetos
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32): Propeller Governor Set Screw
- [SAIB NE-05-89](https://openairdocs.org/saib/NE-05-89): 
- [SAIB NE-05-40](https://openairdocs.org/saib/NE-05-40): 
- [SAIB NE-03-18](https://openairdocs.org/saib/NE-03-18): 
- [SAIB NE-03-12](https://openairdocs.org/saib/NE-03-12): 
- [SAIB NE-01-37](https://openairdocs.org/saib/NE-01-37): 
- [SAIB NE-01-22](https://openairdocs.org/saib/NE-01-22): 

## Service difficulty reports (2)

- [SDR 97ZZZX3631](https://openairdocs.org/sdr/97ZZZX3631), Jul 24, 1997: LINE. POOR PUMP MOUNTING BY OEM GIVES INSUFFICIENT VIBRATION ATTENUATION.  ALUMINUM HYDRAULIC LINES ON PUMP FITTINGS CRACKED AT FLARES.  SUBMITTER STATED SHOULD USE F
- [SDR 96ZZZX1781](https://openairdocs.org/sdr/96ZZZX1781), Mar 11, 1996: ENGINE MONITOR. GRAPHIC ENGINE MONITOR (MODEL GEM610) RADIATING RF1 TO BOTH COMM RADIOS ON 132.05 MHZ.

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.