# N40PC: Learjet 45 - Status: Valid registration - Airframe: [Learjet 45](https://openairdocs.org/model/learjet-45) (registry code 5170805, 12 seats) - Data sheets: [TCDS T00008WI](https://openairdocs.org/tcds/T00008WI) (Learjet Inc.) (OpenAirDocs) - Serial number: 515 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Certificate issued: February 27, 2021 - Expires: February 29, 2028 - Mode S code: A4AB90 - Registered owner: [Unit B LLC](https://openairdocs.org/faa-owner/UNIT%20B%20LLC) - Location: [Stillmore, GA](https://openairdocs.org/faa-place/GA/Stillmore) - Owner type: LLC - Owner's area on the map: 32.4372° N, 82.2250° W: Placed by OpenAirDocs at the center of ZIP code 30464, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40PC - Page: https://openairdocs.org/aircraft/N40PC 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. ## ADs that may apply (OpenAirDocs): 29 in force ### Matched by airframe (Learjet 45) - [AD 2023-01-05](https://openairdocs.org/ad/2023-01-05): Pneumatic · Learjet 45. Effective Mar 9, 2023 - [AD 2021-23-11](https://openairdocs.org/ad/2021-23-11): Powerplant System · Learjet 45. Effective Jan 10, 2022 - [AD 2021-23-08](https://openairdocs.org/ad/2021-23-08): Wing, Center Box · Learjet 45. Effective Jan 10, 2022 - [AD 2015-12-06](https://openairdocs.org/ad/2015-12-06): Fuselage · Learjet 45. Effective Jul 21, 2015 - [AD 2012-26-15 R1](https://openairdocs.org/ad/2012-26-15-R1): Navigation · Agusta AW139, A318-111, A318-112 and 70 more. Effective Dec 3, 2014 - [AD 2014-13-06](https://openairdocs.org/ad/2014-13-06): Engine Exhaust · Learjet 45. Effective Aug 19, 2014 - [AD 2013-14-07](https://openairdocs.org/ad/2013-14-07): Equipment/Furnishings · Learjet 45. Effective Aug 26, 2013 - [AD 2012-08-08](https://openairdocs.org/ad/2012-08-08): Periodic Inspections · Learjet 45. Effective May 29, 2012 - [AD 2011-25-03](https://openairdocs.org/ad/2011-25-03): Landing Gear · Learjet 45. Effective Jan 23, 2012 - [AD 2011-13-10](https://openairdocs.org/ad/2011-13-10): Powerplant · Learjet 45. Effective Aug 1, 2011 - [AD 2011-04-08](https://openairdocs.org/ad/2011-04-08): Electrical power · Learjet 45. Effective Mar 31, 2011 - [AD 2010-21-19](https://openairdocs.org/ad/2010-21-19): Fire protection · Learjet 45. Effective Nov 18, 2010 - [AD 2010-07-02](https://openairdocs.org/ad/2010-07-02): Integrated navigation units (INUs) · 328 Support Services 328-100, 328-300, Jetstream Model 4101 and 26 more. Effective May 3, 2010 - [AD 2010-06-13](https://openairdocs.org/ad/2010-06-13): Flight controls · Learjet 45. Effective Apr 1, 2010 - [AD 2009-24-22](https://openairdocs.org/ad/2009-24-22): Equipment/Furnishings · Learjet 45. Effective Jan 8, 2010 - [AD 2008-01-03](https://openairdocs.org/ad/2008-01-03): Principal structural elements (PSEs · Learjet 45. Effective Feb 14, 2008 - [AD 2007-17-17](https://openairdocs.org/ad/2007-17-17): Unsealed gaps on the pylon side of the engine firewall · Learjet 31, 31A, 35 and 7 more. Effective Oct 2, 2007 - [AD 2007-09-03](https://openairdocs.org/ad/2007-09-03): Auxiliary power unit (APU) · Learjet 45. Effective May 11, 2007 - [AD 2006-19-04](https://openairdocs.org/ad/2006-19-04): Honeywell COM unit and Mode S transponder · Bombardier BD-700-1A10, BD-700-1A11, 550 and 26 more. Effective Oct 17, 2006 - [AD 2006-10-15](https://openairdocs.org/ad/2006-10-15): Inspection reference numbers (IRNs) · Learjet 45. Effective May 31, 2006 - [AD 2005-24-13](https://openairdocs.org/ad/2005-24-13): Electrical wire bundle for the alternator on the left-hand engine · Learjet 45. Effective Dec 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 2003-17-08](https://openairdocs.org/ad/2003-17-08): Nose landing gear (NLG) squat switch camrod · Learjet 45. Effective Sep 24, 2003 - [AD 2003-16-09](https://openairdocs.org/ad/2003-16-09): Main landing gears (MLG) · Learjet 45. Effective Aug 27, 2003 - [AD 2003-16-19](https://openairdocs.org/ad/2003-16-19): Horizontal Stabilizer Actuator Assembly (HSAA) · Learjet 45. Effective Aug 13, 2003 - [AD 2003-06-51](https://openairdocs.org/ad/2003-06-51): Horizontal stabilizer actuator · Learjet 45. Effective Apr 28, 2003 - [AD 2002-17-01](https://openairdocs.org/ad/2002-17-01): Foot Warm circuit breaker · Learjet 45. Effective Sep 12, 2002 - [AD 2001-03-05](https://openairdocs.org/ad/2001-03-05): Anti-ice Manifold Assembly · Learjet 45. Effective Feb 20, 2001 - [AD 2000-08-13](https://openairdocs.org/ad/2000-08-13): Brakes · Learjet 45. Effective May 15, 2000 ### Historical (superseded or no longer in force) - [AD 2012-26-15](https://openairdocs.org/ad/2012-26-15) (historical): Navigation · Agusta AW139, A318-111, A318-112 and 71 more. Effective Jan 24, 2013 - [AD 2009-11-13](https://openairdocs.org/ad/2009-11-13) (historical): Hydraulic power · Learjet 45. Effective Jun 17, 2009 - [AD 2006-22-05](https://openairdocs.org/ad/2006-22-05) (historical): Integrated navigation units (INUs) · 328 Support Services 328-100, 328-300, Jetstream Model 4101 and 27 more. Effective Dec 1, 2006 - [AD 2000-22-04](https://openairdocs.org/ad/2000-22-04) (historical): Nose Landing Gear · Learjet 45. Effective Dec 6, 2000 ## Information bulletins (advisory) (1 in force) - [SAIB AIR-21-15R1](https://openairdocs.org/saib/AIR-21-15R1): Navigation System. Issued Sep 16, 2021 - [SAIB AIR-21-15](https://openairdocs.org/saib/AIR-21-15) (historical): Navigation System. Issued Aug 26, 2021 ## NTSB investigations None matched to N40PC. ## FAA accident and incident reports None matched to N40PC. ## Service difficulty reports None filed for this aircraft. Reports filed since January 15, 2002, when the mark's previous registration was cancelled. ## Earlier aircraft with N40PC The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N40PC before. - [Cancelled 2002-01-15](https://openairdocs.org/deregistered/N40PC-2002-01-15): Kirkland Freddy D KIRKLAND POLY COUPE, S/N 01A. Triennial form not returned. Owner: [Kirkland Freddy D](https://openairdocs.org/faa-owner/KIRKLAND%20FREDDY%20D), [Amarillo, TX](https://openairdocs.org/faa-place/TX/Amarillo) - [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N40PC-undated): Beechcraft-Hawker BH-125-600A, S/N 256010. Triennial form not returned ## Related - Other Learjet 45 aircraft: https://openairdocs.org/model/learjet-45/aircraft.md - STCs for the Learjet 45: https://openairdocs.org/model/learjet-45/stcs.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.