# N511WS: 1979 Cessna 501 - Status: Valid registration - Airframe: [Cessna 501](https://openairdocs.org/model/cessna-501) (registry code 2076603, 8 seats) - Engine: [Pratt & Whitney Canada JT15D-1 series](https://openairdocs.org/engine/pratt-whitney-canada-jt15d-1-series) (registry code 52060) - Data sheets: [TCDS A27CE](https://openairdocs.org/tcds/A27CE) (Textron Aviation Inc.) (OpenAirDocs) - Serial number: 501-0136 - Year built: 1979 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, normal - Airworthiness date: October 20, 1979 - Certificate issued: January 6, 2024 - Expires: January 31, 2031 - Mode S code: A6672B - Registered owner: [Mcbride Aviation LLC](https://openairdocs.org/faa-owner/MCBRIDE%20AVIATION%20LLC) - Location: [Longview, TX](https://openairdocs.org/faa-place/TX/Longview) - Owner type: LLC - Owner's area on the map: 32.5851° N, 94.7103° W: Placed by OpenAirDocs at the center of ZIP code 75605, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=511WS - Page: https://openairdocs.org/aircraft/N511WS 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 Canada JT15D-1 model are included. ## ADs that may apply (OpenAirDocs): 19 in force ### Matched by airframe (Cessna 501) - [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01): Air Data Computer · Synthetic Vision Electronic Flight Information System (Arrow STC SR09595RC or ST01523WI). Effective May 15, 2025 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2015-17-12](https://openairdocs.org/ad/2015-17-12): Air conditioning · Freon air conditioning system (Textron STC SA3849SW or 3 others). Effective Sep 29, 2015 - [AD 2013-09-11](https://openairdocs.org/ad/2013-09-11): Air Conditioning · Cessna 500, 501, 550 and 5 more. Effective Jul 5, 2013 - [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008 - [AD 2007-11-17](https://openairdocs.org/ad/2007-11-17): Wires for the positive and negative terminal studs of the engine and/or auxiliary power unit (APU) fire extinguishing bottles. · Cessna 500, 501, 550 and 5 more. Effective Jul 6, 2007 - [AD 2006-06-03](https://openairdocs.org/ad/2006-06-03): Airplane flight manual (AFM) · Cessna 500, 501, 550 and 3 more. Effective Apr 20, 2006 - [AD 2004-08-15](https://openairdocs.org/ad/2004-08-15): TAWS8000 terrain awareness warning systems (TAWS) · Cessna 421, 500, 501 and 18 more. Effective Jun 7, 2004 - [AD 2004-09-05](https://openairdocs.org/ad/2004-09-05): Brake Stator Disks · Cessna 500, 501, 550 and 1 more. Effective Jun 2, 2004 - [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001 - [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998 - [AD 98-04-38](https://openairdocs.org/ad/98-04-38): AFM - Limitations Section - Icing · Cessna 500, 501, 550 and 2 more. Effective Mar 25, 1998 - [AD 93-05-15](https://openairdocs.org/ad/93-05-15): Thrust Reverser Throttle Load Limiter · Cessna 500, 501, 550 and 4 more. Effective Apr 23, 1993 - [AD 80-09-09](https://openairdocs.org/ad/80-09-09): Dual Flight Director Installation · Cessna 500, 501, 550 and 1 more. Effective May 12, 1980 - [AD 79-12-06](https://openairdocs.org/ad/79-12-06): Upper & Lower Spar Cap Stems · Cessna 500, 501, 550 and 1 more. Effective Apr 10, 1980 ### Matched by engine (Pratt & Whitney Canada JT15D-1 series) - [AD 2023-03-12](https://openairdocs.org/ad/2023-03-12): Turbine Engine Compressor Section · Pratt & Whitney Canada JT15D-1, JT15D-1A and JT15D-1B. Effective Mar 31, 2023 - [AD 93-18-08](https://openairdocs.org/ad/93-18-08): High Pressure Turbine (HPT) Assembly · Pratt & Whitney Canada JT15D-1, JT15D-1A, JT15D-1B and 4 more. Effective Nov 24, 1993 - [AD 87-10-01](https://openairdocs.org/ad/87-10-01): Fan Blades · Pratt & Whitney Canada JT15D-1, JT15D-1A, JT15D-1B and 3 more. Effective Jul 15, 1988 - [AD 74-26-05](https://openairdocs.org/ad/74-26-05): Fuel Control Units · Pratt & Whitney Canada JT15D-1 and JT15D-4. Effective Jan 2, 1975 ### Historical (superseded or no longer in force) - [AD 2004-04-09](https://openairdocs.org/ad/2004-04-09) (historical): Impellers · Pratt & Whitney Canada JT15D-1, JT15D-1A and JT15D-1B. Effective Apr 5, 2004 ## Information bulletins (advisory) (4 in force) - [SAIB AIR-21-15R1](https://openairdocs.org/saib/AIR-21-15R1): Navigation System. Issued Sep 16, 2021 - [SAIB NM-14-08](https://openairdocs.org/saib/NM-14-08): Fuselage: Aerodynamic Fairings. Issued Jan 23, 2014 - [SAIB CE-12-19](https://openairdocs.org/saib/CE-12-19): Fuel: Aircraft Fuel System on Cessna Model 500/501/550 Airplanes. Issued Mar 1, 2012 - [SAIB NM-10-13](https://openairdocs.org/saib/NM-10-13): Navigation: Flight Management System. Issued Jan 7, 2010 - [SAIB AIR-21-15](https://openairdocs.org/saib/AIR-21-15) (historical): Navigation System. Issued Aug 26, 2021 ## NTSB investigations None matched to N511WS. ## FAA accident and incident reports (1) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 19940908043079I](https://openairdocs.org/incident/19940908043079I), Sep 8, 1994: Cessna 550 (N511WS), Cincinnati, OH, Minor damage. Ignored glide slope. Wheel hit approach light on final. SIC was flying. PIC failed to correct low flight path. ## Service difficulty reports None filed for this aircraft. ## Related - Other Cessna 501 aircraft: https://openairdocs.org/model/cessna-501/aircraft.md - STCs for the Cessna 501: https://openairdocs.org/model/cessna-501/stcs.md - The Pratt & Whitney Canada JT15D-1 series engine: https://openairdocs.org/engine/pratt-whitney-canada-jt15d-1-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.