# N117MA: 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-1A](https://openairdocs.org/engine/pratt-whitney-canada-jt15d-1a) (registry code 52110)
- Data sheets: [TCDS A27CE](https://openairdocs.org/tcds/A27CE) (Textron Aviation Inc.), [TCDS E25EA](https://openairdocs.org/tcds/E25EA) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: 501-0249
- Year built: 1979
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, normal
- Airworthiness date: June 6, 2001
- Certificate issued: April 5, 2026
- Expires: April 30, 2033
- Mode S code: A04748
- Registered owner: [T&J Aviation LLC](https://openairdocs.org/faa-owner/T%26J%20AVIATION%20LLC)
- Location: [Clovis, NM](https://openairdocs.org/faa-place/NM/Clovis)
- Owner type: LLC
- Owner's area on the map: 34.4995° N, 103.2577° W: Placed by OpenAirDocs at the center of ZIP code 88101, within about 13 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=117MA
- Page: https://openairdocs.org/aircraft/N117MA

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.

## ADs that may apply (OpenAirDocs): 18 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-1A)

- [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

### 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 N117MA.

## FAA accident and incident reports

None matched to N117MA.

## Reports on N117MA not matched to an aircraft (1)

They name N117MA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19910118003029I](https://openairdocs.org/incident/19910118003029I), Jan 18, 1991: Bolkms BK117A3 (N117MA), Boston, MA, Minor damage. Fire warning on NR2 engine. Secured and fired bottle. Turbine blade had puctured exhaust pipe housing.

## 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.

## Service difficulty reports on N117MA not matched to an aircraft (23)

They name N117MA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR R7MR33409](https://openairdocs.org/sdr/R7MR33409), Dec 29, 2000: BUSHING. WORN. WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MA710732539](https://openairdocs.org/sdr/R7MA710732539), Nov 18, 2000: POWER SUPPLY. INOPERATIVE. LIGHTING POWER SUPPLY, UNIT INOPERATIVE. RECEIVED NEW UNIT FROM AVIALL. REPLACED WITH NEW UNIT. CORRECTED PROBLEM.
- [SDR 20001214SH037](https://openairdocs.org/sdr/20001214SH037), Apr 6, 2000: SEAL. WORN. FIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 2000ZZZX428](https://openairdocs.org/sdr/2000ZZZX428), May 3, 1999: SPRING. WORN. SPRING WORN BEYOND SERVICEBLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2000ZZZX427](https://openairdocs.org/sdr/2000ZZZX427), May 3, 1999: SEAL RING. WORN. SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3383](https://openairdocs.org/sdr/98ZZZX3383), Jan 28, 1998: SEAL. LEAKING. SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3382](https://openairdocs.org/sdr/98ZZZX3382), Jan 28, 1998: SEAL. WORN. SEAL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX4097](https://openairdocs.org/sdr/97ZZZX4097), Aug 13, 1997: ROTOR ASSY. BLADE SHIFT. ROTOR ASSY FAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. FAILED Q-ROTOR INSPECTION. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 8,5
- [SDR 96ZZZX3481](https://openairdocs.org/sdr/96ZZZX3481), Apr 17, 1996: TRANSMITTER. FAILED. UNIT STAYED AT FULL SCALE ON RUN-UP. RMH PERFORMED NO OFF-WING TESTING OF UNIT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 95ZZZX5371](https://openairdocs.org/sdr/95ZZZX5371), Jun 13, 1995: ROTOR ASSY. BLADE SHIFT. FAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 16, MINUS 0.010 INCH, NR 22, MINUS 0.010 INCH. PART TOTAL CYCLES, 2230.5.
- [SDR 95ZZZX5285](https://openairdocs.org/sdr/95ZZZX5285), Jun 1, 1995: BRACKET. CRACKED. BRACKET CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZY1002](https://openairdocs.org/sdr/95ZZZY1002), May 10, 1995: PT ROTOR. BLADE SHIFT. FAILED SERVICE BULLETIN LT 101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. #4-0.0145". REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.
- [SDR 95ZZZX5283](https://openairdocs.org/sdr/95ZZZX5283), Apr 27, 1995: FITTED BOLT. WORN. FITTED BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5284](https://openairdocs.org/sdr/95ZZZX5284), Apr 20, 1995: BRACKET. CRACKED. BRACKET CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5552](https://openairdocs.org/sdr/95ZZZX5552), Jan 21, 1995: NUT. WORN. NUT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5480](https://openairdocs.org/sdr/95ZZZX5480), Jan 21, 1995: SHROUD. TIP RUB. GAS PRODUCER SHROUD HAS EXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5479](https://openairdocs.org/sdr/95ZZZX5479), Jan 21, 1995: SEAL ASSY. GROOVED. LABYRINTH SEAL IS EXCESSIVELY GROOVED FROM GP DISC KNIFE EDGES. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5264](https://openairdocs.org/sdr/95ZZZX5264), Jan 21, 1995: SEAL RING. WORN. FIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5263](https://openairdocs.org/sdr/95ZZZX5263), Jan 21, 1995: SEAL. LEAKING. CSD LIP SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5262](https://openairdocs.org/sdr/95ZZZX5262), Jan 21, 1995: SEAL. LEAKING. ALTERNATOR FORWARD SEAL LEAKING BEYOND SERVICEABLE LIMITS REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5261](https://openairdocs.org/sdr/95ZZZX5261), Jan 21, 1995: SEAL. LEAKING. ACCESSORY DRIVE SEALS LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNIT(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5260](https://openairdocs.org/sdr/95ZZZX5260), Jan 21, 1995: SEAL. LEAKING. NR 2 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS(S) CORRECTED PROBLEM.
- [SDR 95ZZZX5259](https://openairdocs.org/sdr/95ZZZX5259), Jan 21, 1995: SEAL. LEAKING. NR 3 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.

## STCs that may be installed (OpenAirDocs) (170, first 50)

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 airframe (Cessna 501)

- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12345IB](https://openairdocs.org/stc/SA12345IB): Replacement of the Halon Type 1211 portable fire extinguisher with the Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH
- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc
- [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc
- [STC SA09887AC](https://openairdocs.org/stc/SA09887AC): Installation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica Cellular Module (avCM. Aircraft Systems and Manufacturing Inc
- [STC SA04051CH](https://openairdocs.org/stc/SA04051CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC
- [STC ST02432LA](https://openairdocs.org/stc/ST02432LA): Installation of Dual Garmin GTN 6XX/7XX Series Global Navigation System with Structural Antenna and WAAS approval; Garmin GMA 35 Audio Panel; Dual Garmin GTX 33 Mode S Transponders; Garmin GWX 70 Weather Radar; and Garmin GDL-88 ADS-B Transceiver on airplane models with a SPZ-500AFCS. JETTECH LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA2005SO](https://openairdocs.org/stc/SA2005SO): Installation of a third stand-by attitude gyro and dedicated power supply AIM P/N PE 24-1RM. Summit Aviation Inc
- [STC SA02010WI](https://openairdocs.org/stc/SA02010WI): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD). Mid-Continent Instruments and Avionics
- [STC ST00011WI](https://openairdocs.org/stc/ST00011WI): Installation of Concorde RG380E/40 and 40B battery. Aero-Mach Wilco LLC
- [STC SA1298GL](https://openairdocs.org/stc/SA1298GL): Installation of Cleveland main wheels and brakes. Kaman Corporation Aircraft Wheel and Brake LLC
- [STC SA883GL](https://openairdocs.org/stc/SA883GL): Install aircraft wheel and brake conversion kit 199-137. Kaman Corporation Aircraft Wheel and Brake LLC
- [STC SA02220AK](https://openairdocs.org/stc/SA02220AK): Installation of Genesys Aerosystems, Inc. FlightLogic Electronic Flight Instrument System (EFIS) in accordance with Genesys Aerosystems, Inc., System Installation Manual Commuter and Large Aircraft, Document Number 150-045057, Revision M, dated August 13, 2014, or later FAA approved revisions. Genesys Aerosystems Inc
- [STC SA02273SE](https://openairdocs.org/stc/SA02273SE): Installation of a Crane Aerospace & Electronics Tire Sensor Assembly. ELDEC Corporation
- [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King)
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA8458SW](https://openairdocs.org/stc/SA8458SW): Installation of quick release nose radome latch mechanisms. Sierra Industries Ltd
- [STC SA01156WI](https://openairdocs.org/stc/SA01156WI): Installation of IS&S Air Data System with Reduced Vertical Separation Minimum (RVSM) compliant Dual Air Data System. Blackhawk Aerospace Technologies Inc
- [STC SA01196WI](https://openairdocs.org/stc/SA01196WI): Installation of Universal Avionics EFI-550 2-Display EFIS System. Data required: (1) Columbia Avionics, Inc. Master Document List No. 30141145, Revision 3, dated September 24, 2003; and (2) FAA Approved Flight Manual Supplement 30141160, dated September 30, 2003, or later FAA Approved Revisions to (1) or (2). Blackhawk Aerospace Technologies Inc
- [STC SA01469WI](https://openairdocs.org/stc/SA01469WI): Installation of Universal Avionics EFI-890R Flat Panel EFIS System. Blackhawk Aerospace Technologies Inc
- [STC SA01697WI](https://openairdocs.org/stc/SA01697WI): Installation of Garmin GTN Series GPS/Comm/Nav Systems with optional Garmin GDL-69/A XM Weather Data Link, GTX-33 Series Transponders and optional Bendix/King KMR-675 Marker Beacon Receiver. Blackhawk Aerospace Technologies Inc
- [STC ST00662WI](https://openairdocs.org/stc/ST00662WI): Installation of Bendix/King EFS-50 Two-Tube (EFIS) Electronic Flight Instrumentation System. Blackhawk Aerospace Technologies Inc
- [STC ST01162WI](https://openairdocs.org/stc/ST01162WI): Reduced Vertical Separation Minimum (RVSM) group airworthiness approval of the Cessna Aircraft Model 500, 501, 550 and 551. Blackhawk Aerospace Technologies Inc
- [STC ST02989AT](https://openairdocs.org/stc/ST02989AT): Installation of a modified Glareshield. Continental Aerospace Technologies Inc
- [STC SA02075SE](https://openairdocs.org/stc/SA02075SE): Installation of a Mid-Continent MD835( ) Lithium Ion Battery. Mid-Continent Instrument Co. Inc
- [STC ST02642AT](https://openairdocs.org/stc/ST02642AT): Installation of a RVSM Air Data System. Carlisle Interconnect Technologies Inc
- [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS
- [STC SA2628NM](https://openairdocs.org/stc/SA2628NM): Optional takeoff gross weight increase. New Flight Corporation
- [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit. Med-Pac Inc
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA01750SE](https://openairdocs.org/stc/SA01750SE): Fabrication and Installation of Dahlia Doubler. Fliegen Works Inc
- [STC SA01751SE](https://openairdocs.org/stc/SA01751SE): Fabrication and Installation of Panida Doubler. Fliegen Works Inc
- [STC SA01752SE](https://openairdocs.org/stc/SA01752SE): Fabrication and Installation of Panida Doubler. Fliegen Works Inc
- [STC SA2698SW](https://openairdocs.org/stc/SA2698SW): Installation of freon air conditioning system. Air Comm Corporation
- [STC SA2916SW](https://openairdocs.org/stc/SA2916SW): Installation of alternate gear horn switch. Air Comm Corporation
- [STC SA04176NY](https://openairdocs.org/stc/SA04176NY): Installation of Cabin Entry Step Assembly. Skyway Group Inc
- [STC SA00153SE](https://openairdocs.org/stc/SA00153SE): Installation of emergency medical stretcher, oxygen, and electrical systems. LifePort LLC
- [STC ST01898WI](https://openairdocs.org/stc/ST01898WI): Installation of the RVSM capable Garmin G600 with GDU-1060 Touch Screen Primary Flight Display (PFD). JETTECH LLC
- [STC SA732NW](https://openairdocs.org/stc/SA732NW): Installation of Eagle SP performance system, including recontoured wing leading edge, wing tip extension, increased gross weight, increased fuel capacity, and other minor refinements. Innova Aerospace Service & Support LLC
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc
- [STC SA03973NY](https://openairdocs.org/stc/SA03973NY): Replacement of existing TCAS 7.0 by TCAS 7.1. Scandinavian Avionics Design ApS
- [STC ST00366WI](https://openairdocs.org/stc/ST00366WI): Installation of Keddeg Company P/N 21BC115 Coalescer Assembly. Purolator Facet, Inc
- [STC SA00461WI](https://openairdocs.org/stc/SA00461WI): Installation of an AlliedSignal CAS 66A Traffic and Collision Avoidance System I (TCAS I). Textron Aviation Inc
- [STC SA11050SC-D](https://openairdocs.org/stc/SA11050SC-D): Installation of Optional Engine Indicating System (EIS). Sierra Industries Ltd
- [STC SA152RM](https://openairdocs.org/stc/SA152RM): Installation of extended range fuel tank and relocation of aft pressure bulkhead. Sierra Industries Inc
- [STC SA1569NM](https://openairdocs.org/stc/SA1569NM): Installation of side-looking camera hatch. Sierra Industries Ltd
- [STC SA215RM](https://openairdocs.org/stc/SA215RM): Installation of extended width cabin door. Sierra Industries Inc

All 170: https://openairdocs.org/aircraft/N117MA/stcs.md

## Related

- Other Cessna 501 aircraft: https://openairdocs.org/model/cessna-501/aircraft.md
- The Pratt & Whitney Canada JT15D-1A engine: https://openairdocs.org/engine/pratt-whitney-canada-jt15d-1a.md

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