# N11TD: 1960 Piper PA-23-250

- Status: Valid registration
- Airframe: Piper PA-23-250 (registry code 7102308, TCDS 1A10 (OpenAirDocs match))
- Engine: Lycoming 0-540 series (registry code 41532, TCDS E-295 (OpenAirDocs match))
- Serial number: 27-271
- Year built: 1960
- Type: Fixed wing multi engine
- Airworthiness: Multiple
- Airworthiness date: May 11, 1983
- Certificate issued: June 23, 1989
- Expires: July 31, 2027
- Mode S code: A02B87
- Registered owner: Duflo Spray Chemical Inc
- Location: Lowville, NY
- Owner's area on the map: 43.7331° N, 75.5370° W: Placed by OpenAirDocs at the center of ZIP code 13367, within about 12 miles (OpenAirDocs)
- Page: https://openairdocs.org/aircraft/N11TD

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 (Piper PA-23-250) (OpenAirDocs)

- [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 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI). Effective Mar 21, 2022
- [AD 2021-25-11](https://openairdocs.org/ad/2021-25-11): Horizontal Stabilizer Structure · Piper PA-23-250. Effective Jan 25, 2022
- [AD 2017-15-05](https://openairdocs.org/ad/2017-15-05): Air Conditioning · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 28, 2017
- [AD 2015-24-05](https://openairdocs.org/ad/2015-24-05): PLACARDS AND MARKINGS; Interior Placards · Piper PA-23-250, PA-24-250, PA-24-260 and 7 more. Effective Jan 12, 2016
- [AD 2009-13-06 R1](https://openairdocs.org/ad/2009-13-06-R1): Doors · Piper PA-23, PA-23-160, PA-23-235 and 16 more. Effective Nov 3, 2011
- [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 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005
- [AD 2004-25-16 R1](https://openairdocs.org/ad/2004-25-16-R1): Fuel regulator shutoff valve · Bombardier CL-215-1A10, CL-215-6B11 (CL-215T Variant), CL-215-6B11 (CL-415 Variant) and 64 more. Effective Jun 20, 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 2005-01-10](https://openairdocs.org/ad/2005-01-10): Turbocharger Oil Reservoir · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 1 more. Effective Feb 22, 2005
- [AD 2003-09-13](https://openairdocs.org/ad/2003-09-13): Flap control torque tube assembly · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Jun 23, 2003
- [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 99-14-01](https://openairdocs.org/ad/99-14-01): AFM - Limitations Section - Icing · Piper PA-23, PA-23-160, PA-23-235 and 21 more. Effective Aug 17, 1999
- [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 83-22-01 R1](https://openairdocs.org/ad/83-22-01-R1): Fuel Weight Limitations · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 1 more. Effective Nov 25, 1998
- [AD 85-02-05 R1](https://openairdocs.org/ad/85-02-05-R1): Piper P/N s 81090-02, 683-107 Placard Installation · Lavia Argentina PA-25, PA-25-235, PA-25-260 and 32 more. Effective Nov 21, 1997
- [AD 96-21-04](https://openairdocs.org/ad/96-21-04): Hydraulic Hose Inspection · Piper PA-23, PA-23-160, PA-23-235 and 13 more. Effective Dec 10, 1996
- [AD 93-06-02](https://openairdocs.org/ad/93-06-02): Fuel Hose · Integral 24 gallon auxiliary fuel tank in each wing tip (Met-Co Aire STC SA1480WE). Effective May 12, 1993
- [AD 88-21-07 R1](https://openairdocs.org/ad/88-21-07-R1): Fuel Filler Compartment · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 22, 1989
- [AD 81-04-05 R1](https://openairdocs.org/ad/81-04-05-R1): Flap-Spar Hinge Attachment · Piper PA-23, PA-23-235, PA-23-250 and 1 more. Effective Feb 11, 1982
- [AD 81-19-04](https://openairdocs.org/ad/81-19-04): Hose Assembly · Rajay Hose Assemblies, 500A, 500B and 87 more. Effective Sep 17, 1981
- [AD 80-26-04 R1](https://openairdocs.org/ad/80-26-04-R1): Rudder Pulley at Cabin Step · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Aug 28, 1981
- [AD 80-18-10](https://openairdocs.org/ad/80-18-10): Fuel Selector Valves · Piper PA-23, PA-23-160, PA-23-235 and 8 more. Effective Sep 8, 1980
- [AD 79-26-01](https://openairdocs.org/ad/79-26-01): Stabilator Skins and Frame · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Dec 24, 1979
- [AD 79-11-06](https://openairdocs.org/ad/79-11-06): Landing Gear Selector Lever · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 29, 1979
- [AD 78-25-03](https://openairdocs.org/ad/78-25-03): Hose Assemblies · Piper PA-23-250, PA-28R-180, PA-28R-200 and 11 more. Effective Jan 15, 1979
- [AD 77-23-09](https://openairdocs.org/ad/77-23-09): Fuel Flow · Piper PA-23-250, PA-23-250 (Navy UO-1) and PA-E23-250. Effective Dec 19, 1978
- [AD 77-09-10](https://openairdocs.org/ad/77-09-10): Electric Trim Switch · Piper PA-23-250, PA-23-250 (Navy UO-1), PA-24-260 and 6 more. Effective May 12, 1977
- [AD 77-01-05](https://openairdocs.org/ad/77-01-05): Strobe NAV Light Wire · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Jan 13, 1977
- [AD 76-11-07](https://openairdocs.org/ad/76-11-07): Magnetic Compass Deviations · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Jun 4, 1976
- [AD 74-13-03](https://openairdocs.org/ad/74-13-03): Stabilator Attach Bolts · Piper PA-23-235, PA-23-250 (Navy UO-1), PA-24 and 5 more. Effective Apr 30, 1976
- [AD 72-21-07](https://openairdocs.org/ad/72-21-07): Longitudinal Stability · Piper PA-23-250 (Navy UO-1). Effective Apr 29, 1976
- [AD 74-10-01](https://openairdocs.org/ad/74-10-01): Outboard Flap Hinge · Piper PA-23-250 (Navy UO-1). Effective Dec 31, 1975
- [AD 75-11-05](https://openairdocs.org/ad/75-11-05): Glare Shield Panel · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective May 20, 1975
- [AD 74-22-05](https://openairdocs.org/ad/74-22-05): Full Valve Stem and Cap Nut · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Oct 23, 1974
- [AD 72-14-05](https://openairdocs.org/ad/72-14-05): Engine Exhaust System Stacks · Piper PA-23-250, PA-23-250 (Navy UO-1) and PA-E23-250. Effective Sep 3, 1974
- [AD 72-11-01](https://openairdocs.org/ad/72-11-01): Possible Fire From Fuel Vapor · Piper PA-23-235, PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA179CE or SA867SW. Effective May 19, 1972
- [AD 68-07-04](https://openairdocs.org/ad/68-07-04): Engine Mount · Piper PA-23-250 (Navy UO-1). Effective Apr 11, 1972
- [AD 70-22-05](https://openairdocs.org/ad/70-22-05): Electrical System Modifications · Piper PA-23-250 (Navy UO-1), PA-30, PA-31 and 1 more. Effective Nov 30, 1971
- [AD 71-21-06](https://openairdocs.org/ad/71-21-06): Engine Firewall Flex Duct · Piper PA-23-250 (Navy UO-1). Effective Oct 12, 1971
- [AD 71-18-03](https://openairdocs.org/ad/71-18-03): Left Nose Wheel Door Hinge · Wheel well doors (Apache Modification STC SA598SW). Effective Sep 2, 1971
- [AD 71-12-05](https://openairdocs.org/ad/71-12-05): Electric Trim Switch Modification · Piper PA-23-250 (Navy UO-1), PA-24-260, PA-30 and 5 more. Effective Jun 16, 1971
- [AD 71-12-01](https://openairdocs.org/ad/71-12-01): Engine Control Support Bracket · Piper PA-23, PA-23-160 and PA-23-250 (Navy UO-1). Effective Jun 8, 1971
- [AD 68-21-03](https://openairdocs.org/ad/68-21-03): Exhaust Tailpipe Assemblies · Piper PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA909WE or SA978WE. Effective Oct 28, 1968
- [AD 66-18-03](https://openairdocs.org/ad/66-18-03): Induction System Icing · Piper PA-23-250 (Navy UO-1) and PA-E23-250. Effective Aug 2, 1966
- [AD 64-21-05](https://openairdocs.org/ad/64-21-05): Hartzell Propeller Governor · Piper PA-23-250 (Navy UO-1) and PA-30. Effective Sep 16, 1964

Historical (superseded or no longer in force): AD 2009-13-06, AD 78-02-03, AD 74-06-01, AD 69-13-03

## ADs matched by engine (Lycoming 0-540 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 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 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 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [AD 2011-13-03](https://openairdocs.org/ad/2011-13-03): Turbocharger Turbine · Lycoming Engines LTO-360-E1A6D, O-540-L3C5D, TIGO-541-E1A and 20 more. Effective Jul 13, 2011
- [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 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 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 99-03-05](https://openairdocs.org/ad/99-03-05): Crankshaft Gear Retaining Bolts · Lycoming Engines O-540-F1B5. Effective Feb 18, 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 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 89-04-02](https://openairdocs.org/ad/89-04-02): Carburetors · Continental Motors O-470-11, O-470-11-CI, O-470-11B and 175 more. Effective Mar 8, 1989
- [AD 79-08-06](https://openairdocs.org/ad/79-08-06): Carburetors · Lycoming Engines O-540-L3C5D and Carburetors. Effective Apr 25, 1979
- [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 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 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 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 66-14-03](https://openairdocs.org/ad/66-14-03): Crankshaft Idler Shafts · Lycoming Engines O-540-B2B5. Effective Jul 9, 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 63-22-03](https://openairdocs.org/ad/63-22-03): Carburetors · Continental Motors GO-300-A, GO-300-B, GO-300-C and 143 more. Effective Dec 2, 1963
- [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
- [AD 59-10-07](https://openairdocs.org/ad/59-10-07): Cylinder Baffle Clamps · Lycoming Engines GO-480-A1A, GO-480-B, GO-480-B1A6 and 58 more

Historical (superseded or no longer in force): AD 2024-21-02, AD 2008-19-05, AD 2006-20-09, AD 2005-26-10, AD 2002-23-06, AD 2002-20-51, AD 2000-18-53, 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-17-08](https://openairdocs.org/saib/CE-17-08): Main Landing Gear  Drag Link Bolt
- [SAIB CE-12-44](https://openairdocs.org/saib/CE-12-44): Exhaust systems
- [SAIB CE-08-11](https://openairdocs.org/saib/CE-08-11): Landing Gear
- [SAIB CE-04-88](https://openairdocs.org/saib/CE-04-88): 
- [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-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-05-40](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): 

---
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.