# N643SC: 1970 Piper PA-31P

- Status: Valid registration
- Airframe: [Piper PA-31P](https://openairdocs.org/model/piper-pa-31p) (registry code 7103120, 8 seats)
- Engine: [Lycoming TIGO-541SER](https://openairdocs.org/engine/lycoming-tigo-541ser) (registry code 41539)
- Data sheets: [TCDS A8EA](https://openairdocs.org/tcds/A8EA) (Piper Aircraft Inc.) (OpenAirDocs)
- Serial number: 31P-7
- Year built: 1970
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 4, 1970
- Certificate issued: December 6, 2022
- Expires: December 31, 2029
- Mode S code: A871F3
- Owner type: LLC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=643SC
- Page: https://openairdocs.org/aircraft/N643SC

From the FAA registry file of October 20, 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): 44 in force

### Matched by airframe (Piper PA-31P)

- [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 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 2014-23-03](https://openairdocs.org/ad/2014-23-03): Engine Exhaust · Piper PA-31P. Effective Dec 18, 2014
- [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 2006-03-08](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 2003-24-07](https://openairdocs.org/ad/2003-24-07): Rudder torque tube · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Feb 9, 2004
- [AD 2001-06-01](https://openairdocs.org/ad/2001-06-01): Elevator Structure · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective May 8, 2001
- [AD 2000-25-01](https://openairdocs.org/ad/2000-25-01): Main Landing Gear Door Hinges · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Jan 19, 2001
- [AD 2000-06-06](https://openairdocs.org/ad/2000-06-06): Pneumatic Deicing Boots · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective May 5, 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 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 1998
- [AD 98-08-18](https://openairdocs.org/ad/98-08-18): Elevator Bungee Spring · Piper PA-31, PA-31-300, PA-31-325 and 2 more. Effective May 26, 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 97-16-10](https://openairdocs.org/ad/97-16-10): Filters · Cessna 310R, T310R, 36 and 17 more. Effective Sep 18, 1997
- [AD 97-07-03](https://openairdocs.org/ad/97-07-03): Nose Wheel Assembly · Piper PA-31, PA-31-300, PA-31-325 and 2 more. Effective May 15, 1997
- [AD 96-24-13](https://openairdocs.org/ad/96-24-13): Landing Gear Selector Cable · Piper PA-31, PA-31-325, PA-31-350 and 2 more. Effective Jan 17, 1997
- [AD 96-21-11](https://openairdocs.org/ad/96-21-11): Main Landing Gear Actuator Reinforcement Bracket · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Dec 16, 1996
- [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 96-21-03](https://openairdocs.org/ad/96-21-03): Aileron Spar Crack Inspection · Piper PA-31, PA-31-300, PA-31-325 and 11 more. Effective Dec 10, 1996
- [AD 96-10-14](https://openairdocs.org/ad/96-10-14): Main Landing Gear Sidebraces Inspection · Piper PA-31, PA-31-300, PA-31-325 and 5 more. Effective Jun 27, 1996
- [AD 93-24-02 R1](https://openairdocs.org/ad/93-24-02-R1): Elevator Control Tube Assembly · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Feb 15, 1994
- [AD 92-27-05](https://openairdocs.org/ad/92-27-05): Aileron Control System · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Jan 29, 1993
- [AD 87-21-01](https://openairdocs.org/ad/87-21-01): Fuel Filler Openings · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 14 more. Effective Nov 2, 1987
- [AD 85-08-05](https://openairdocs.org/ad/85-08-05): Strut Housing Inspection · Piper PA-31, PA-31-300, PA-31-325 and 6 more. Effective May 15, 1985
- [AD 85-05-01](https://openairdocs.org/ad/85-05-01): Inspection of F.S. 332.0 Bulkhead · Piper PA-31P. Effective Mar 15, 1985
- [AD 82-27-13 R2](https://openairdocs.org/ad/82-27-13-R2): Flap Extension System · Piper PA-31, PA-31-300, PA-31-325 and 4 more. Effective Aug 18, 1983
- [AD 81-23-06](https://openairdocs.org/ad/81-23-06): Flap Track Structure · Piper PA-31P, PA-31T and PA-31T1. Effective Nov 16, 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 79-14-02](https://openairdocs.org/ad/79-14-02): Control Wheel Shaft Stud · Piper PA-31, PA-31-300, PA-31-325 and 4 more. Effective Jul 6, 1979
- [AD 79-12-02](https://openairdocs.org/ad/79-12-02): Elevator Surface Travel · Piper PA-31, PA-31-300, PA-31-325 and 4 more. Effective Jul 2, 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 77-08-02](https://openairdocs.org/ad/77-08-02): Electrical Short · Piper PA-31, PA-31-300, PA-31-325 and 3 more. Effective Nov 15, 1977
- [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 76-11-06](https://openairdocs.org/ad/76-11-06): Switch Bus Bar Link · Piper PA-31P. Effective Jun 4, 1976
- [AD 76-11-01](https://openairdocs.org/ad/76-11-01): Vibration Effects · Piper PA-31P. Effective May 31, 1976
- [AD 76-04-11](https://openairdocs.org/ad/76-04-11): Loose Bolts · Piper PA-31, PA-31-300, PA-31-325 and 3 more. Effective Mar 5, 1976
- [AD 75-22-14](https://openairdocs.org/ad/75-22-14): Propeller Air Dome Pressure · Piper PA-31P. Effective Oct 24, 1975
- [AD 75-16-02](https://openairdocs.org/ad/75-16-02): Rudder Nose Gear · Piper PA-31P and PA-31T. Effective Jul 29, 1975
- [AD 75-09-10](https://openairdocs.org/ad/75-09-10): Push-Pull Tube End Fittings · Piper PA-31, PA-31-300, PA-31-350 and 1 more. Effective Apr 28, 1975
- [AD 74-26-10](https://openairdocs.org/ad/74-26-10): Shutting Down Engine · Piper PA-31, PA-31-300, PA-31-350 and 1 more. Effective Dec 26, 1974
- [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

### Matched by engine (Lycoming TIGO-541SER)

None in force.

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

- [AD 2009-13-06](https://openairdocs.org/ad/2009-13-06) (historical): Nose baggage door · Piper PA-23, PA-23-160, PA-23-235 and 16 more. Effective Jul 24, 2009
- [AD 80-26-05](https://openairdocs.org/ad/80-26-05) (historical): Main Landing Gear Door Hinges · Piper Aircraft, Inc., The New PA-31, PA-31-300, PA-31-325 and 4 more. Effective Dec 19, 1980
- [AD 80-02-15](https://openairdocs.org/ad/80-02-15) (historical): Elevator Butt Rib Cracks · Piper Aircraft, Inc., The New PA-31P, PA-31T and PA-31T1. Effective Jan 29, 1980
- [AD 76-06-09](https://openairdocs.org/ad/76-06-09) (historical): Engine Exhaust System · Piper PA-31P. Effective Oct 31, 1978

## Information bulletins (advisory) (3 in force)

- [SAIB CE-08-11](https://openairdocs.org/saib/CE-08-11): Landing Gear. Issued Jan 9, 2008
- [SAIB ACE-98-01](https://openairdocs.org/saib/ACE-98-01): . Issued Oct 17, 1997
- [SAIB ACE-96-16](https://openairdocs.org/saib/ACE-96-16): . Issued Dec 24, 1996

## NTSB investigations

None matched to N643SC.

## FAA accident and incident reports

None matched to N643SC.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Piper PA-31P aircraft: https://openairdocs.org/model/piper-pa-31p/aircraft.md
- STCs for the Piper PA-31P: https://openairdocs.org/model/piper-pa-31p/stcs.md
- The Lycoming TIGO-541SER engine: https://openairdocs.org/engine/lycoming-tigo-541ser.md

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