# N573MA: 1963 Boeing KC-135R - Status: Valid registration - Airframe: [Boeing KC-135R](https://openairdocs.org/model/boeing-kc-135r) (registry code 1381620, 83 seats) - Engine: [CFM International CFM56-2B series](https://openairdocs.org/engine/cfm-international-cfm56-2b-series) (registry code 13060) - Serial number: 63-8016 - Year built: 1963 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Experimental, exhibition - Airworthiness date: July 18, 2024 - Certificate issued: September 22, 2020 - Expires: September 30, 2027 - Mode S code: A75AA2 - Registered owner: [Wilmington Trust Co Trustee](https://openairdocs.org/faa-owner/WILMINGTON%20TRUST%20CO%20TRUSTEE) - Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington) - Owner type: Corporation - Owner's area on the map: 39.7357° N, 75.5321° W: Placed by OpenAirDocs: center of Wilmington, DE, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=573MA - Page: https://openairdocs.org/aircraft/N573MA From the FAA registry file of October 24, 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 CFM International CFM56-2B model are included. ## ADs that may apply (OpenAirDocs): 8 in force ### Matched by airframe (Boeing KC-135R) None in force. ### Matched by engine (CFM International CFM56-2B series) - [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009 - [AD 2006-26-01](https://openairdocs.org/ad/2006-26-01): Fuel filters · CFM International CFM56-2, CFM56-2A, CFM56-2B and 93 more. Effective Jan 3, 2007 - [AD 2002-13-03](https://openairdocs.org/ad/2002-13-03): Turbofan Engines · CFM International CFM56-2, CFM56-2A, CFM56-2B and 55 more. Effective Aug 1, 2002 - [AD 2001-11-05](https://openairdocs.org/ad/2001-11-05): No. 4 Bearings · CFM International CFM56-2, CFM56-2B, CFM56-3 and 45 more. Effective Jun 11, 2001 - [AD 2000-15-01](https://openairdocs.org/ad/2000-15-01): Fuel Leakage · CFM International CFM56-2, CFM56-2A, CFM56-2B and 39 more. Effective Oct 2, 2000 - [AD 2000-05-22](https://openairdocs.org/ad/2000-05-22): CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective May 2, 2000 - [AD 98-12-32](https://openairdocs.org/ad/98-12-32): High Pressure Turbine Rotor Disks · CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective Jul 20, 1998 - [AD 96-18-16](https://openairdocs.org/ad/96-18-16): Low Pressure Turbine Rotor (LPTR) Stub Shaft And Conical Support · CFM International CFM56-2, CFM56-2A, CFM56-2B and 9 more. Effective Dec 9, 1996 ### Historical (superseded or no longer in force) - [AD 2000-12-01](https://openairdocs.org/ad/2000-12-01) (historical): Critical Life-Limited Parts · CFM International CFM56-2, CFM56-2A, CFM56-2B and 54 more. Effective Dec 11, 2000 - [AD 99-08-16](https://openairdocs.org/ad/99-08-16) (historical): CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective May 13, 1999 ## Information bulletins (advisory) (1 in force) - [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014 - [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1) (historical): Propulsion Technology LLC Unapproved Repair. Issued May 22, 2008 - [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17) (historical): Propulsion Technologies International Unapproved Repair. Issued May 14, 2008 ## NTSB investigations None matched to N573MA. ## FAA accident and incident reports None matched to N573MA. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (1) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the engine (CFM International CFM56-2B series) - [STC SE00822CH](https://openairdocs.org/stc/SE00822CH): Install AeroControlex P/N 2604880-001 variable stator feedback control cable and P/N 2604880-002 variable bleed valve feedback control cable on CFM International engines. AeroControlex Group TransDigm Inc ## Earlier aircraft with N573MA The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N573MA before. - [Cancelled 2012-03-07](https://openairdocs.org/deregistered/N573MA-2012-03-07): Mitsubishi MU-2B-20, S/N 162, built 1969. Owner: [Md Investments](https://openairdocs.org/faa-owner/MD%20INVESTMENTS), [Lipan, TX](https://openairdocs.org/faa-place/TX/Lipan) ## Related - Other Boeing KC-135R aircraft: https://openairdocs.org/model/boeing-kc-135r/aircraft.md - The CFM International CFM56-2B series engine: https://openairdocs.org/engine/cfm-international-cfm56-2b-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.