# N56CS: 2004 Piaggio P180 - Status: Valid registration - Airframe: [Piaggio P180](https://openairdocs.org/model/piaggio-p180) (registry code 6960204, 11 seats) - Engine: [Pratt & Whitney PT6A series](https://openairdocs.org/engine/pratt-whitney-pt6a-series) (registry code 52032) - Data sheets: [TCDS A59EU](https://openairdocs.org/tcds/A59EU) (Baykar Piaggio Aerospace S.p.A.) (OpenAirDocs) - Serial number: 1080 - Year built: 2004 - Type: Fixed wing multi engine - Engine type: Turbo-prop - Airworthiness: Standard, normal - Airworthiness date: October 2, 2004 - Certificate issued: April 5, 2023 - Expires: April 30, 2030 - Mode S code: A724D4 - Registered owner: [Penny Equipment LLC](https://openairdocs.org/faa-owner/PENNY%20EQUIPMENT%20LLC) - Location: [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco) - Owner type: LLC - Owner's area on the map: 37.7750° N, 122.4194° W: Placed by OpenAirDocs: center of San Francisco, CA, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56CS - Page: https://openairdocs.org/aircraft/N56CS From the FAA registry file of October 21, 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. The registry lists only the engine series, so ADs for every Pratt & Whitney PT6A model are included. ## ADs that may apply (OpenAirDocs): 81 in force ### Matched by airframe (Piaggio P180) - [AD 2026-06-05](https://openairdocs.org/ad/2026-06-05): Vertical Stabilizer Structure · Baykar Piaggio Aerospace P-180. Effective May 11, 2026 - [AD 2026-05-10](https://openairdocs.org/ad/2026-05-10): Flight Control System · Baykar Piaggio Aerospace P-180. Effective Apr 27, 2026 - [AD 2025-26-05](https://openairdocs.org/ad/2025-26-05): Hydraulic System, Main · Baykar Piaggio Aerospace P-180. Effective Feb 17, 2026 - [AD 2025-15-10](https://openairdocs.org/ad/2025-15-10): Horizontal Stabilizer Structure · Piaggio P-180. Effective Sep 3, 2025 - [AD 2023-16-04](https://openairdocs.org/ad/2023-16-04): Elevator Structure · Piaggio P-180. Effective Aug 30, 2023 - [AD 2022-22-07](https://openairdocs.org/ad/2022-22-07): Fuselage Main, Plate/Skin · Piaggio P-180. Effective Dec 23, 2022 - [AD 2022-19-07](https://openairdocs.org/ad/2022-19-07): Pitot/Static System · Piaggio P-180. Effective Nov 3, 2022 - [AD 2022-17-13](https://openairdocs.org/ad/2022-17-13): Air Data Computer · Piaggio Aero Industries P-180. Effective Oct 11, 2022 - [AD 2020-19-10](https://openairdocs.org/ad/2020-19-10): Landing Gear · Piaggio Aero Industries P-180. Effective Nov 3, 2020 - [AD 2017-20-13](https://openairdocs.org/ad/2017-20-13): Flight Controls · Piaggio Aero Industries P-180. Effective Nov 16, 2017 - [AD 2015-19-11](https://openairdocs.org/ad/2015-19-11): Fuselage · Piaggio Aero Industries P-180. Effective Nov 3, 2015 - [AD 2014-18-01](https://openairdocs.org/ad/2014-18-01): Navigation · Bombardier ATR42-200, ATR42-300, ATR42-320 and 23 more. Effective Oct 14, 2014 - [AD 2014-09-04](https://openairdocs.org/ad/2014-09-04): Landing Gear · Piaggio Aero Industries P-180. Effective Jun 13, 2014 - [AD 2014-03-20](https://openairdocs.org/ad/2014-03-20): Flight Controls · Piaggio Aero Industries P-180. Effective Apr 1, 2014 - [AD 2013-18-04](https://openairdocs.org/ad/2013-18-04): Landing Gear · Piaggio Aero Industries P-180. Effective Oct 18, 2013 - [AD 99-07-10 R1](https://openairdocs.org/ad/99-07-10-R1): Nacelles/Pylons · Piaggio Aero Industries P-180. Effective Sep 19, 2013 - [AD 2000-07-11 R1](https://openairdocs.org/ad/2000-07-11-R1): Landing Gear · Piaggio Aero Industries P-180. Effective Nov 21, 2012 - [AD 2003-17-03 R1](https://openairdocs.org/ad/2003-17-03-R1): Fuel · Piaggio Aero Industries P-180. Effective Nov 14, 2012 - [AD 2012-18-06](https://openairdocs.org/ad/2012-18-06): Flight Controls · Piaggio Aero Industries P-180. Effective Oct 22, 2012 - [AD 2011-26-01](https://openairdocs.org/ad/2011-26-01): Doors · Piaggio Aero Industries P-180. Effective Jan 17, 2012 - [AD 2011-24-01](https://openairdocs.org/ad/2011-24-01): Landing Gear · Piaggio Aero Industries P-180. Effective Dec 22, 2011 - [AD 2011-09-51](https://openairdocs.org/ad/2011-09-51): Fuselage · Piaggio Aero Industries P-180. Effective May 31, 2011 - [AD 2011-05-01](https://openairdocs.org/ad/2011-05-01): Cargo and Accessory Compartments · Piaggio Aero Industries P-180. Effective Mar 31, 2011 - [AD 2010-23-01](https://openairdocs.org/ad/2010-23-01): Stabilizers · Piaggio Aero Industries P-180. Effective Dec 10, 2010 - [AD 2010-21-14](https://openairdocs.org/ad/2010-21-14): Fuselage · Piaggio Aero Industries P-180. Effective Nov 18, 2010 - [AD 2010-21-09](https://openairdocs.org/ad/2010-21-09): Engine oil · Piaggio Aero Industries P-180. Effective Nov 18, 2010 - [AD 2010-21-08](https://openairdocs.org/ad/2010-21-08): Engine oil · Piaggio Aero Industries P-180. Effective Nov 18, 2010 - [AD 2010-09-09](https://openairdocs.org/ad/2010-09-09): Fuel · Piaggio Aero Industries P-180. Effective Jun 3, 2010 - [AD 2010-03-09](https://openairdocs.org/ad/2010-03-09): Fuselage · Piaggio Aero Industries P-180. Effective Mar 11, 2010 - [AD 2010-03-04](https://openairdocs.org/ad/2010-03-04): Electric power · Piaggio Aero Industries P-180. Effective Mar 11, 2010 - [AD 2008-03-14](https://openairdocs.org/ad/2008-03-14): Emergency exit door · Piaggio Aero Industries P-180. Effective Mar 11, 2008 - [AD 2007-24-15](https://openairdocs.org/ad/2007-24-15): Longitudinal flight control cables · Piaggio Aero Industries P-180. Effective Jan 7, 2008 - [AD 2007-18-07](https://openairdocs.org/ad/2007-18-07): Hydraulic fluid of the steering system · Piaggio Aero Industries P-180. Effective Oct 11, 2007 - [AD 2007-13-12](https://openairdocs.org/ad/2007-13-12): Main wing outboard flap · Piaggio Aero Industries P-180. Effective Aug 3, 2007 - [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 2003-04-08](https://openairdocs.org/ad/2003-04-08): Placard (Inside of the lavatory door) · Piaggio Aero Industries P-180. Effective Apr 11, 2003 - [AD 2002-23-10](https://openairdocs.org/ad/2002-23-10): First Outboard Flap Control Rod and the Bleed Air Duct · Piaggio Aero Industries P-180. Effective Dec 17, 2002 - [AD 2002-14-19](https://openairdocs.org/ad/2002-14-19): Collins Air Data Computers (ADC) · Boeing DC-8-11, DC-8-12, DC-8-21 and 36 more. Effective Aug 23, 2002 - [AD 2002-08-04](https://openairdocs.org/ad/2002-08-04): Horizontal Stabilizer Hinge Bushings · Piaggio Aero Industries P-180. Effective Jun 10, 2002 - [AD 2001-05-04](https://openairdocs.org/ad/2001-05-04): Flap Actuators · Piaggio Aero Industries P-180. Effective Apr 27, 2001 - [AD 2000-03-19 REM](https://openairdocs.org/ad/2000-03-19-REM): Pneumatic Deicing Boots · Piaggio Aero Industries P-180. Effective Jan 2, 2001 - [AD 99-11-06](https://openairdocs.org/ad/99-11-06): Environmental Control System Bleed Tubes · Piaggio Aero Industries P-180. Effective Jul 5, 1999 - [AD 99-07-10](https://openairdocs.org/ad/99-07-10): Engine Nacelle Inner Panels · Piaggio Aero Industries P-180. Effective May 10, 1999 - [AD 98-23-14](https://openairdocs.org/ad/98-23-14): Elevator & Aileron Control Retaining Pins · Piaggio Aero Industries P-180. Effective Dec 18, 1998 - [AD 98-13-07](https://openairdocs.org/ad/98-13-07): Lavatory Water Tube/Hose Connections · Piaggio Aero Industries P-180. Effective Aug 1, 1998 - [AD 98-12-13](https://openairdocs.org/ad/98-12-13): Low Pitch Stop Switch Support · Piaggio Aero Industries P-180. Effective Jul 18, 1998 - [AD 98-08-05](https://openairdocs.org/ad/98-08-05): Main Landing Gear Drag Brace Link and Retraction Actuator · Piaggio Aero Industries P-180. Effective May 26, 1998 - [AD 98-06-05](https://openairdocs.org/ad/98-06-05): AFM, POH - Autopilot · Piaggio Aero Industries P-180. Effective Apr 2, 1998 - [AD 97-22-11](https://openairdocs.org/ad/97-22-11): Airplane Flight Manual (AFM) - Limitations Section - Power Levers · Piaggio Aero Industries P-180. Effective Dec 5, 1997 - [AD 97-15-14](https://openairdocs.org/ad/97-15-14): Torque Tube Bottom Flange Assembly · Piaggio Aero Industries P-180. Effective Sep 19, 1997 ### Matched by engine (Pratt & Whitney PT6A series) - [AD 2024-04-51](https://openairdocs.org/ad/2024-04-51): Turbine Section · Pratt & Whitney Canada PT6A-64, PT6A-66, PT6A-66A and 17 more. Effective Mar 28, 2024 - [AD 2022-08-13](https://openairdocs.org/ad/2022-08-13): Turbine Section · Pratt & Whitney Canada PT6A-34, PT6A-34B, PT6A-34AG and 2 more. Effective May 27, 2022 - [AD 2016-05-13](https://openairdocs.org/ad/2016-05-13): Corrosion and perforation of the two-ply Cu-Be bellows in Woodward FCUs. · Pratt & Whitney Canada PT6A-60AG, PT6A-65AG, PT6A-67AF and 1 more. Effective Apr 22, 2016 - [AD 2014-17-08 R1](https://openairdocs.org/ad/2014-17-08-R1): Compressor turbine (CT) blades · Pratt & Whitney Canada PT6A-114 and PT6A-114A. Effective Jun 5, 2015 - [AD 2014-11-05](https://openairdocs.org/ad/2014-11-05): Reinforcement liner to the power turbine (PT) containment ring and, for certain PT containment rings, adding scallops · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 18 more. Effective Aug 5, 2014 - [AD 2012-09-10](https://openairdocs.org/ad/2012-09-10): First stage sun gears · Pratt & Whitney Canada PT6A-110, PT6A-112, PT6A-114 and 12 more. Effective May 23, 2012 - [AD 2011-25-12](https://openairdocs.org/ad/2011-25-12): Sun gear · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Dec 28, 2011 - [AD 2011-20-51](https://openairdocs.org/ad/2011-20-51): Gears · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Nov 1, 2011 - [AD 2004-25-18](https://openairdocs.org/ad/2004-25-18): Propeller governor assemblies · Pratt & Whitney Canada PT6A-60A and PT6A-65B. Effective Jan 18, 2005 - [AD 2002-23-13](https://openairdocs.org/ad/2002-23-13): Turbine Exhaust Ducts · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 20 more. Effective Dec 31, 2002 - [AD 2001-20-01](https://openairdocs.org/ad/2001-20-01): Compressor Bleed Valve Assembly · Pratt & Whitney Canada PT6A-114A and PT6A-25C. Effective Nov 5, 2001 - [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997 - [AD 95-13-08](https://openairdocs.org/ad/95-13-08): Compressor Turbine Disk · Pratt & Whitney Canada PT6A-67D. Effective Jul 12, 1995 - [AD 93-23-06](https://openairdocs.org/ad/93-23-06): Airframe Chip Detector Flag System · Pratt & Whitney Canada PT6A-50. Effective Jan 26, 1994 - [AD 92-15-11](https://openairdocs.org/ad/92-15-11): Compressor Delivery Air Line (P3) Filter Assembly · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-21 and 7 more. Effective Aug 17, 1992 - [AD 90-12-05](https://openairdocs.org/ad/90-12-05): Engine Overhaul · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 3 more. Effective May 30, 1990 - [AD 86-10-05](https://openairdocs.org/ad/86-10-05): First Stage Compressor Hub · Pratt & Whitney Canada PT6A-42. Effective Jun 5, 1986 - [AD 80-08-12](https://openairdocs.org/ad/80-08-12): Fuel Pump Drive Coupling Splines · Pratt & Whitney Canada PT6A-11, PT6A-112, PT6A-135 and 24 more. Effective Apr 18, 1980 - [AD 80-04-02](https://openairdocs.org/ad/80-04-02): Push-Pull Control Terminal · Pratt & Whitney Canada PT6A-20, PT6A-6A, PT6A-6B and 1 more. Effective Feb 8, 1980 - [AD 78-17-07](https://openairdocs.org/ad/78-17-07): Fuel Control Unit · Pratt & Whitney Canada PT6A-38, PT6A-41 and PT6A-45A. Effective Aug 31, 1978 - [AD 78-12-04](https://openairdocs.org/ad/78-12-04): No. 2 Bearing Pressure Oil Transfer Tube Assembly · Pratt & Whitney Canada PT6A-38, PT6A-41 and PT6A-45A. Effective Jun 19, 1978 - [AD 75-06-01](https://openairdocs.org/ad/75-06-01): Gearbox Deterioration · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 11 more. Effective Apr 1, 1977 - [AD 75-11-04](https://openairdocs.org/ad/75-11-04): Reduction Gearbox Engine Distress · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 8 more. Effective May 20, 1975 - [AD 70-16-01](https://openairdocs.org/ad/70-16-01): Turbo Propeller Governors · Pratt & Whitney Canada PT6A-11, PT6A-11AG, PT6A-15AG and 5 more. Effective Aug 4, 1970 - [AD 69-23-06](https://openairdocs.org/ad/69-23-06): Fuel Pumps · Pratt & Whitney Canada PT6A-20, PT6A-27, PT6A-28 and 4 more. Effective Nov 15, 1969 - [AD 68-05-03](https://openairdocs.org/ad/68-05-03): Reverse Mode · Pratt & Whitney Canada PT6A-20 and PT6A-6B. Effective Feb 28, 1968 ### Historical (superseded or no longer in force) - [AD 2023-25-03](https://openairdocs.org/ad/2023-25-03) (historical): Horizontal Stabilizer Structure · Piaggio P-180. Effective Feb 2, 2024 - [AD 2011-01-53](https://openairdocs.org/ad/2011-01-53) (historical): Fuselage · Piaggio Aero Industries P-180. Effective Jan 24, 2011 - [AD 2011-01-51](https://openairdocs.org/ad/2011-01-51) (historical): Fuselage · Piaggio Aero Industries P-180 - [AD 2009-21-08 R1](https://openairdocs.org/ad/2009-21-08-R1) (historical): Landing gear · Piaggio Aero Industries P-180. Effective Dec 14, 2009 - [AD 2009-21-08](https://openairdocs.org/ad/2009-21-08) (historical): Landing Gear · Piaggio Aero Industries P-180. Effective Dec 14, 2009 - [AD 2003-17-03](https://openairdocs.org/ad/2003-17-03) (historical): Firewall shutoff or crossfeed valve · Piaggio Aero Industries P-180. Effective Sep 3, 2003 - [AD 2003-03-14](https://openairdocs.org/ad/2003-03-14) (historical): Firewall Shutoff or Crossfeed Valve · Piaggio Aero Industries P-180. Effective Mar 8, 2003 - [AD 2000-07-11](https://openairdocs.org/ad/2000-07-11) (historical): Brake Assembly Rods and Tubings · Piaggio Aero Industries P-180. Effective May 29, 2000 - [AD 2000-03-19](https://openairdocs.org/ad/2000-03-19) (historical): Airframe Pneumatic Deicing Boots · Industrie Aeronautiche e Meccaniche P-180. Effective Apr 7, 2000 - [AD 2014-17-08](https://openairdocs.org/ad/2014-17-08) (historical): Compressor turbine (CT) blades · Pratt & Whitney Canada PT6A-114 and PT6A-114A. Effective Oct 8, 2014 - [AD 88-24-02](https://openairdocs.org/ad/88-24-02) (historical): Airframe Chip Detector Flag System · Pratt & Whitney Canada PT6A-50 All 92: https://openairdocs.org/aircraft/N56CS/ads.md ## Information bulletins (advisory) (12 in force) - [SAIB CE-12-05](https://openairdocs.org/saib/CE-12-05): Navigation: Water freezing in Pitot-Static System. Issued Nov 2, 2011 - [SAIB CE-03-42](https://openairdocs.org/saib/CE-03-42): . Issued Jun 27, 2003 - [SAIB CE-01-40](https://openairdocs.org/saib/CE-01-40): . Issued Aug 30, 2001 - [SAIB CE-01-35](https://openairdocs.org/saib/CE-01-35): . Issued Aug 3, 2001 - [SAIB ACE-98-29](https://openairdocs.org/saib/ACE-98-29): . Issued May 13, 1998 - [SAIB ACE-96-07](https://openairdocs.org/saib/ACE-96-07): . Issued Oct 17, 1996 - [SAIB ACE-95-04](https://openairdocs.org/saib/ACE-95-04): . Issued Nov 7, 1995 - [SAIB NE-15-21](https://openairdocs.org/saib/NE-15-21): Fuel Injector Nozzle. Issued Aug 19, 2015 - [SAIB NE-12-04](https://openairdocs.org/saib/NE-12-04): Turbine/ Turboprop Engine: Reduction Gearbox. Issued Nov 1, 2011 - [SAIB NE-10-47](https://openairdocs.org/saib/NE-10-47): Turbine Engine Compressor Section. Issued Aug 30, 2010 - [SAIB NE-06-34](https://openairdocs.org/saib/NE-06-34): . Issued Mar 21, 2006 - [SAIB CE-03-24](https://openairdocs.org/saib/CE-03-24): . Issued Feb 19, 2003 ## NTSB investigations None matched to N56CS. ## FAA accident and incident reports None matched to N56CS. ## Service difficulty reports None filed for this aircraft. Reports filed since March 14, 2011, when the mark's previous registration was cancelled. ## Earlier aircraft with N56CS The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N56CS before. - [Cancelled 2011-03-14](https://openairdocs.org/deregistered/N56CS-2011-03-14): Slusarczk EASYRISER, S/N 318. Assigned, pending cancellation ## Related - Other Piaggio P180 aircraft: https://openairdocs.org/model/piaggio-p180/aircraft.md - STCs for the Piaggio P180: https://openairdocs.org/model/piaggio-p180/stcs.md - The Pratt & Whitney PT6A series engine: https://openairdocs.org/engine/pratt-whitney-pt6a-series.md --- 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.