# N901FX: Aerospatiale/Aeritalia ATR 42-320

- Status: Valid registration
- Airframe: [Aerospatiale/Aeritalia ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (registry code 8680930, 50 seats)
- Engine: [Pratt & Whitney Canada PW121](https://openairdocs.org/engine/pratt-whitney-canada-pw121) (registry code 52124)
- Data sheets: [TCDS A53EU](https://openairdocs.org/tcds/A53EU) (ATR – GIE Avions de Transport Régional), [TCDS E20NE](https://openairdocs.org/tcds/E20NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: 172
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: March 5, 1990
- Certificate issued: February 20, 2003
- Expires: November 30, 2029
- Mode S code: AC7376
- Registered owner: [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP)
- Location: [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis)
- Owner type: Corporation
- Owner's area on the map: 35.0254° N, 89.7893° W: Placed by OpenAirDocs at the center of ZIP code 38125, 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=901FX
- Page: https://openairdocs.org/aircraft/N901FX

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): 153 in force

### Matched by airframe (Aerospatiale/Aeritalia ATR 42-320)

- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2026-09-13](https://openairdocs.org/ad/2026-09-13): Flight controls · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jun 18, 2026
- [AD 2025-26-01](https://openairdocs.org/ad/2025-26-01): Time Limits/Maintenance Checks · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Feb 9, 2026
- [AD 2025-24-09](https://openairdocs.org/ad/2025-24-09): Ice and rain protection · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jan 13, 2026
- [AD 2025-23-04](https://openairdocs.org/ad/2025-23-04): Fire Protection · ATR – GIE Avions de Transport Régional ATR42-300, ATR42-320, ATR42-500 and 6 more. Effective Jan 13, 2026
- [AD 2025-12-02](https://openairdocs.org/ad/2025-12-02): Equipment/furnishings · Ipeco Holdings 3A063-0100-( )-( ), 3A063-0080-( )-( ), 3A063-0038-( )-( ) and 18 more. Effective Jun 30, 2025
- [AD 2025-10-06](https://openairdocs.org/ad/2025-10-06): Time Limits/Maintenance Checks · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jun 26, 2025
- [AD 2025-05-11](https://openairdocs.org/ad/2025-05-11): Fire protection · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Apr 22, 2025
- [AD 2025-04-06](https://openairdocs.org/ad/2025-04-06): Flight controls · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Apr 4, 2025
- [AD 2025-02-10](https://openairdocs.org/ad/2025-02-10): Doors · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 19, 2025
- [AD 2024-23-10](https://openairdocs.org/ad/2024-23-10): Placards and Marking · Decompression Panel (Aeroconseil STC ST04602NY). Effective Jan 13, 2025
- [AD 2024-19-15](https://openairdocs.org/ad/2024-19-15): Oxygen · Safran Aerosystems Oxygen Cylinder, Valve Assembly, Oxygen Valve and 103 more. Effective Nov 26, 2024
- [AD 2024-15-14](https://openairdocs.org/ad/2024-15-14): Instruments · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 23, 2024
- [AD 2024-08-02](https://openairdocs.org/ad/2024-08-02): Electrical power · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jun 6, 2024
- [AD 2024-05-05](https://openairdocs.org/ad/2024-05-05): Fire Protection · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 29, 2024
- [AD 2023-17-01](https://openairdocs.org/ad/2023-17-01): Landing gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Oct 19, 2023
- [AD 2023-14-10](https://openairdocs.org/ad/2023-14-10): Flight Compartment Equipment · Ipeco Holdings Pilot and Co-Pilot seats, ATR42-200, ATR42-300 and 9 more. Effective Sep 7, 2023
- [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 2021-24-07](https://openairdocs.org/ad/2021-24-07): Fire protection · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Nov 22, 2021
- [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07): Fire Bottle, Portable · Airbus A319-111, A319-112, A319-113 and 127 more. Effective Nov 18, 2021
- [AD 2021-12-17](https://openairdocs.org/ad/2021-12-17): Fuselage · ATR - GIE Avions de Transport Régional ATR42-300, ATR42-320, ATR42-500 and 7 more. Effective Aug 4, 2021
- [AD 2021-07-04](https://openairdocs.org/ad/2021-07-04): Ice and Rain Protection. · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 10, 2021
- [AD 2020-07-11](https://openairdocs.org/ad/2020-07-11): Hydraulic power and Electronic common installation · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 18, 2020
- [AD 2019-07-03](https://openairdocs.org/ad/2019-07-03): Cabin Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 16, 2019
- [AD 2018-25-18](https://openairdocs.org/ad/2018-25-18): Landing gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jan 22, 2019
- [AD 2018-23-01](https://openairdocs.org/ad/2018-23-01): Cabin Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Dec 28, 2018
- [AD 2018-21-09](https://openairdocs.org/ad/2018-21-09): Wings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective Nov 20, 2018
- [AD 2018-19-15](https://openairdocs.org/ad/2018-19-15): Cabin Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Nov 14, 2018
- [AD 2017-17-10](https://openairdocs.org/ad/2017-17-10): Landing Gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective Sep 29, 2017
- [AD 2015-11-03](https://openairdocs.org/ad/2015-11-03): Fuel · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jul 14, 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 2014-17-02](https://openairdocs.org/ad/2014-17-02): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Sep 9, 2014
- [AD 2014-06-09](https://openairdocs.org/ad/2014-06-09): Windows · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 8, 2014
- [AD 2014-03-09](https://openairdocs.org/ad/2014-03-09): Nacelles/pylons · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 26, 2014
- [AD 2012-08-07](https://openairdocs.org/ad/2012-08-07): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 9, 2012
- [AD 2011-23-10](https://openairdocs.org/ad/2011-23-10): Stabilizers · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Dec 15, 2011
- [AD 2011-21-08](https://openairdocs.org/ad/2011-21-08): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 202 more. Effective Nov 23, 2011
- [AD 2011-21-05](https://openairdocs.org/ad/2011-21-05): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Oct 27, 2011
- [AD 2011-01-09](https://openairdocs.org/ad/2011-01-09): Oxygen · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 290 more. Effective Feb 9, 2011
- [AD 2010-05-01](https://openairdocs.org/ad/2010-05-01): Fire Protection · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 12, 2010
- [AD 2010-02-06](https://openairdocs.org/ad/2010-02-06): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Feb 24, 2010
- [AD 2009-12-09](https://openairdocs.org/ad/2009-12-09): Electrical power · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jul 16, 2009
- [AD 2008-17-19](https://openairdocs.org/ad/2008-17-19): Main Landing gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Nov 3, 2008
- [AD 2008-13-24](https://openairdocs.org/ad/2008-13-24): Aileron tab bellcrank assemblies · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 7 more. Effective Aug 12, 2008
- [AD 2008-13-19](https://openairdocs.org/ad/2008-13-19): Pitot probe · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Aug 6, 2008
- [AD 2008-04-13](https://openairdocs.org/ad/2008-04-13): Fuel tank safety · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 28, 2008
- [AD 2007-12-20](https://openairdocs.org/ad/2007-12-20): Bonding cable and electrical wires · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jul 19, 2007
- [AD 2006-16-08](https://openairdocs.org/ad/2006-16-08): Locking bolt of the upper attachment pin · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Aug 23, 2006
- [AD 2006-07-19](https://openairdocs.org/ad/2006-07-19): Protective ramps on trim panel 110VU · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 12, 2006
- [AD 2006-05-07](https://openairdocs.org/ad/2006-05-07): Main landing gear (MLG) side braces · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Apr 13, 2006

### Matched by engine (Pratt & Whitney Canada PW121)

- [AD 2015-20-03](https://openairdocs.org/ad/2015-20-03): Fuel nozzle and the fuel manifold flow adapter · Pratt & Whitney Canada PW120, PW121, PW121A and 6 more. Effective Nov 18, 2015
- [AD 2012-26-08](https://openairdocs.org/ad/2012-26-08): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Feb 15, 2013
- [AD 2006-19-06](https://openairdocs.org/ad/2006-19-06): Propeller shaft · Pratt & Whitney Canada PW118, PW118A, PW118B and 14 more. Effective Sep 29, 2006
- [AD 2003-21-03](https://openairdocs.org/ad/2003-21-03): Low pressure rotor speed (NL) sensor · Pratt & Whitney Canada PW118, PW120, PW120A and 1 more. Effective Nov 20, 2003
- [AD 2003-16-04](https://openairdocs.org/ad/2003-16-04): Fuel heaters · Pratt & Whitney Canada PW118, PW118A, PW118B and 19 more. Effective Sep 10, 2003
- [AD 98-14-02](https://openairdocs.org/ad/98-14-02): Fuel Manifold Transfer Tubes · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Aug 31, 1998
- [AD 97-17-05](https://openairdocs.org/ad/97-17-05): Gas Generator Case Drain Ports · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Sep 9, 1997
- [AD 94-03-02](https://openairdocs.org/ad/94-03-02): High Pressure Turbine Disks · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Feb 16, 1994
- [AD 92-01-08](https://openairdocs.org/ad/92-01-08): High Pressure Rotor · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Jul 27, 1992
- [AD 91-06-02](https://openairdocs.org/ad/91-06-02): Turbomachinery Magnetic Chip Detector · Pratt & Whitney Canada PW118, PW118A, PW120 and 6 more. Effective Mar 29, 1991
- [AD 91-01-03](https://openairdocs.org/ad/91-01-03): Hydromechanical Fuel Control Units · Pratt & Whitney Canada JT15D-5, PW118, PW118A and 3 more. Effective Jan 7, 1991
- [AD 88-26-51](https://openairdocs.org/ad/88-26-51): High Pressure Turbine Components · Pratt & Whitney Canada PW118, PW118A, PW120 and 2 more. Effective Sep 22, 1989

### Historical (superseded or no longer in force)

- [AD 2023-13-11](https://openairdocs.org/ad/2023-13-11) (historical): Oxygen · AVOX Systems Oxygen valve assemblies (body and gage assemblies), Oxygen cylinder and valve assemblies, A300 B2-1A and 102 more. Effective Sep 5, 2023
- [AD 2023-10-08](https://openairdocs.org/ad/2023-10-08) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jul 11, 2023
- [AD 2022-25-16](https://openairdocs.org/ad/2022-25-16) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jan 23, 2023
- [AD 2022-04-09](https://openairdocs.org/ad/2022-04-09) (historical): Oxygen System · Airbus A300 B2-1A, A300 B2-1C, A300 B2K-3C and 94 more. Effective Apr 4, 2022
- [AD 2021-17-02](https://openairdocs.org/ad/2021-17-02) (historical): Instruments · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 5, 2021
- [AD 2020-23-13](https://openairdocs.org/ad/2020-23-13) (historical): Instruments · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Dec 3, 2020
- [AD 2020-09-16](https://openairdocs.org/ad/2020-09-16) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jun 22, 2020
- [AD 2018-18-05](https://openairdocs.org/ad/2018-18-05) (historical): Time limits/maintenance checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 5, 2018
- [AD 2015-26-09](https://openairdocs.org/ad/2015-26-09) (historical): Fuselage and Wings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective Feb 17, 2016
- [AD 2015-23-12](https://openairdocs.org/ad/2015-23-12) (historical): Landing gear · ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Dec 29, 2015
- [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013
- [AD 2011-23-06](https://openairdocs.org/ad/2011-23-06) (historical): Equipment/Furnishings · ATR  GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 9 more. Effective Nov 21, 2011
- [AD 2008-04-19 R1](https://openairdocs.org/ad/2008-04-19-R1) (historical): Fuel · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Nov 18, 2009
- [AD 2009-18-18](https://openairdocs.org/ad/2009-18-18) (historical): Windows · ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Sep 24, 2009
- [AD 2008-04-19](https://openairdocs.org/ad/2008-04-19) (historical): Fuel tank system · ATR  GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Apr 3, 2008
- [AD 2006-07-26](https://openairdocs.org/ad/2006-07-26) (historical): Outer wing boxes · ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective May 16, 2006
- [AD 2001-16-10](https://openairdocs.org/ad/2001-16-10) (historical): Airplane Flight Manual--De-icing or Anti-icing Fluids · Aerospatiale ATR42-200, ATR42-300, ATR42-320 and 2 more. Effective Sep 26, 2001
- [AD 2000-17-09](https://openairdocs.org/ad/2000-17-09) (historical): Fatigue Cracking · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 11, 2000
- [AD 2000-05-26](https://openairdocs.org/ad/2000-05-26) (historical): Cargo Door Hinges · ATR  GIE Avions de Transport R gional ATR42-200, ATR42-300 and ATR42-320. Effective Apr 26, 2000
- [AD 97-26-19](https://openairdocs.org/ad/97-26-19) (historical): Lower Lugs Of Barrel Of Main Landing Gear · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Jan 7, 1998
- [AD 97-04-09](https://openairdocs.org/ad/97-04-09) (historical): Main Landing Gear · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Mar 7, 1997
- [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996
- [AD 93-18-04](https://openairdocs.org/ad/93-18-04) (historical): Fuselage Frame Inspection · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Nov 18, 1993
- [AD 90-19-06](https://openairdocs.org/ad/90-19-06) (historical): Main Landing Gear · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Oct 23, 1990
- [AD 2014-14-02](https://openairdocs.org/ad/2014-14-02) (historical): O-ring seal · Pratt & Whitney Canada PW120, PW121, PW121A and 6 more. Effective Aug 15, 2014
- [AD 2012-11-14](https://openairdocs.org/ad/2012-11-14) (historical): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Jul 20, 2012

All 179: https://openairdocs.org/aircraft/N901FX/ads.md

## Information bulletins (advisory) (6 in force)

- [SAIB NM-11-45](https://openairdocs.org/saib/NM-11-45): Doors: Cargo/Baggage Doors. Issued Aug 1, 2011
- [SAIB NM-11-19](https://openairdocs.org/saib/NM-11-19): Indicating/Recording System  Angle of Attack Sensors. Issued Feb 3, 2011
- [SAIB NM-10-18](https://openairdocs.org/saib/NM-10-18): Instruments: Redesigned Aileron Sensors for Flight Data Recorder. Issued Mar 4, 2010
- [SAIB NM-10-13](https://openairdocs.org/saib/NM-10-13): Navigation: Flight Management System. Issued Jan 7, 2010
- [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NE-06-38](https://openairdocs.org/saib/NE-06-38): . Issued Apr 7, 2006

## NTSB investigations

None matched to N901FX.

## 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, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20110322005699I](https://openairdocs.org/incident/20110322005699I), Mar 22, 2011: Aerospatiale/Aeritalia ATR 42-320 (N901FX), Rapid City, SD, No damage. Supplement: flt 8584 from fso to rap: during flap retraction, flaps stuck at 12 degreesand later retracted uncommanded. Crew elected to land in bff due to…

## Service difficulty reports (94, newest 50)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR COEA2025073101901](https://openairdocs.org/sdr/COEA2025073101901), Jul 30, 2025: ACM. SEIZED. FLIGHT 7820, ENROUTE GTF-MSO EXCESS CABIN ALTITUDE ALERT/WARNING LIGHT ILLUMINATED IN FLIGHT. AFTER EXTENSIVE TROUBLESHOOTING, MAINTENANCE REPLACED THE #1 ACM A
- [SDR COEA2024051401901](https://openairdocs.org/sdr/COEA2024051401901), Mar 22, 2024: ACCESS PANEL. CORRODED. HEAVY CHECK COE/MAJOR REPAIR: ACCESS PANEL 521DT HAS FRETTING AT ATTACH FLANGE. REPAIR PER SRAS ES_00236338_01...23419 ISSUE A,
- [SDR COEA2022052712901](https://openairdocs.org/sdr/COEA2022052712901), Apr 1, 2022: SKIN. NONE. WO 235601 NR 800003 HEAVY CHECK COE/MAJOR REPAIR: AFT CARGO DOOR, EXTERNAL SKIN IS CREASED AT LOWER EDGE OF DOOR. CORRECTIVE ACTION: DOUBLER REPAIR PER SRAS ES_
- [SDR COEA2022052710901](https://openairdocs.org/sdr/COEA2022052710901), Apr 1, 2022: SPOILER. CHAFED. WO 235601 NR 500015 HEAVY CHECK COE/MAJOR REPAIR: L/H SPOILER, UNDER SIDE SKIN HAS CHAFE DAMAGE. CORRECTIVE ACTION: L/H SPOILER REPAIRED PER SRAS ES_0086049...1
- [SDR COEA2022052708901](https://openairdocs.org/sdr/COEA2022052708901), Apr 1, 2022: NONE. CRACKED. WO 235601 NR 400011 HEAVY CHECK COE/MAJOR REPAIR: R/H NACELLE L/H AFT EDGING IS CRACKED. CORRECTIVE ACTION: DOUBLER REPAIR R/H NACELLE LOWER COWL PER SRAS ES_01
- [SDR COEA2022052707901](https://openairdocs.org/sdr/COEA2022052707901), Apr 1, 2022: NONE. CORRODED. WO 235601 NR 400008 HEAVY CHECK COE/MAJOR REPAIR: R/H ENGINE CASE HAS LEVEL 2 CORROSION AROUND THE DRAIN BELOW THE PCU. CORRECTIVE ACTION: CORROSION REMOVAL PER
- [SDR COEA2022052406901](https://openairdocs.org/sdr/COEA2022052406901), Apr 1, 2022: WEB. CORRODED. WO 235601 NR 100043 HEAVY CHECK COE/MAJOR REPAIR: INTERNAL FUSELAGE, CREASE BEAM WEB BETWEEN L/H FRAMES 13-14 HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: CREASE B
- [SDR COEA2022052405901](https://openairdocs.org/sdr/COEA2022052405901), Apr 1, 2022: NONE. DAMAGED. WO 235601 NR 100042 HEAVY CHECK/MAJOR REPAIR: INTERNAL FUSELAGE L/H FRAME 13, FRAME FLANGE IS DAMAGED BETWEEN STRINGER 14-15. CORRECTIVE ACTION: SPLICE REPAIR A
- [SDR COEA2022052404901](https://openairdocs.org/sdr/COEA2022052404901), Apr 1, 2022: FLOORBEAM. CORRODED. WO 235601 NR 100029 HEAVY CHECK COE/MAJOR REPAIR: FLOORBEAM 13 LOWER SURFACE OF UPPER ANGLE HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: SPLICE REPAIR PER SRAS ES_
- [SDR COEA2022051703901](https://openairdocs.org/sdr/COEA2022051703901), Apr 1, 2022: INTERCOSTAL. CORRODED. WO 235601 NR 100028 HEAVY CHECK COE/MAJOR REPAIR: FLOORBEAM 10 LOWER SURFACE OF UPPER ANGLE HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED FLOORBEAM INTERCO
- [SDR COEA2022051702901](https://openairdocs.org/sdr/COEA2022051702901), Apr 1, 2022: FLOORBEAM. CRACKED. WO 235601 NR 100009 HEAVY CHECK COE/MAJOR REPAIR: L/H LONGITUDINAL FLOORBEAM CRACKED BETWEEN FRAMES 27-28. CORRECTIVE ACTION: REPAIRED PER EO 5315-01.
- [SDR COEA2022052711901](https://openairdocs.org/sdr/COEA2022052711901), Mar 31, 2022: NONE. CHAFED. WO 235601 NR 600009 HEAVY CHECK COE/MAJOR REPAIR: R/H WING FWD SPAR LOWER CHORD BOTTOM SURFACE IS CHAFED AT R/H RIB 5. CORRECTIVE ACTION: BLEND REPAIR AT R/H WI
- [SDR COEA2022052709901](https://openairdocs.org/sdr/COEA2022052709901), Mar 31, 2022: NONE. CHAFED. WO 235601 NR 500012 HEAVY CHECK COE/MAJOR REPAIR: L/H WING FWD SPAR LOWER CHORD BOTTOM SURFACE IS CHAFED AT L/H RIB 5. CORRECTIVE ACTION: BLEND REPAIR AT RIB 5 
- [SDR COEA2022011201901](https://openairdocs.org/sdr/COEA2022011201901), Jan 11, 2022: CONTACTOR. FAULTED. FLIGHT 7771, ENROUTE BZN - GTF/AIR TURNBACK DISCREPANCY: AFTER TAKEOFF, THE #2 DC GEN FAULTED WITH NO BUS TIE AFTER TURNING OFF. CREW PERFORMED AN UNSUCCESSFUL 
- [SDR COEA2021031901901](https://openairdocs.org/sdr/COEA2021031901901), Mar 18, 2021: BOOT. TORN. FLIGHT 7298 ENROUTE TUL AFW AIR TURNBACK DISCREPANCY: DEICE AIRFRAME FAULT IN FLIGHT DURING ICING CONDITIONS. AIRCRAFT RETURNED TO TUL. NO EMERGENCY DECLARED. L
- [SDR COEA2020050107901](https://openairdocs.org/sdr/COEA2020050107901), Apr 16, 2020: BULKHEAD. CORRODED. WO 212701 NR 100022 HEAVY CHECK COE/MAJOR REPAIR: FWD PRESSURE BULKHEAD WEB LOWER L/H BONDING POINT HAS LEVEL 2 CORROSION ON REPAIRED DOUBLER. CORRECTIVE ACTION
- [SDR COEA2020050106901](https://openairdocs.org/sdr/COEA2020050106901), Apr 16, 2020: BULKHEAD. CORRODED. WO 212701 NR 100021 HEAVY CHECK COE/MAJOR REPAIR: FORWARD PRESSURE BULKHEAD WEB LOWER R/H BONDING POINT HAS LEVEL 2 CORROSION ON REPAIRED DOUBLER. CORRECTIVE AC
- [SDR COEA2020050409901](https://openairdocs.org/sdr/COEA2020050409901), Apr 15, 2020: SKIN. CORRODED. WO 212701 NR 200141 HEAVY CHECK COE/MAJOR REPAIR: CENTER FUSELAGE AFT CROWN INTERIOR SURFACE HAS LEVEL 2 CORROSION BETWEEN STRINGERS 4R-4L. CORRECTIVE ACTION: R
- [SDR COEA2020043005901](https://openairdocs.org/sdr/COEA2020043005901), Mar 31, 2020: SKIN. CHAFED. WO 212701 NR 500009 HEAVY CHECK COE/MAJOR REPAIR: L/H OUTBOARD FLAP, OUTBOARD DEFLECTOR LEADING EDGE SKIN IS CHAFED NEAR THE OUTBOARD CAM GUIDE. CORRECTIVE ACTI
- [SDR COEA2020050408901](https://openairdocs.org/sdr/COEA2020050408901), Mar 30, 2020: STRINGER. CORRODED. WO 212701 NR 200046 HEAVY CHECK COE/MINOR REPAIR: STRINGER 11R HAS LEVEL 2 CORROSION BETWEEN FRAMES 42-43. CORRECTIVE ACTION: REPLACED STRINGER WITH OEM PART.
- [SDR COEA2020043004901](https://openairdocs.org/sdr/COEA2020043004901), Mar 30, 2020: SKIN. CORRODED. WO 212701 NR 200031 HEAVY CHECK COE/MAJOR REPAIR: FORWARD FUSELAGE L/H UPPER PANEL INTERIOR SURFACE HAS LEVEL 2 CORROSION BETWEEN FRAMES 21-22 AND STRINGERS 6AL
- [SDR COEA2020043003901](https://openairdocs.org/sdr/COEA2020043003901), Mar 30, 2020: STRINGER. CORRODED. WO 212701 NR 200013 HEAVY CHECK COE/MAJOR REPAIR: STRINGER 3AR HAS LEVEL 2 CORROSION BETWEEN FRAMES 15-23. CORRECTIVE ACTION: REPAIRED PER SRM 530000-300-826-A0
- [SDR COEA2020043002901](https://openairdocs.org/sdr/COEA2020043002901), Mar 30, 2020: STRINGER. CORRODED. WO 212701 NR 200009 HEAVY CHECK COE/MAJOR REPAIR: STRINGER 3AL HAS LEVEL 2 CORROSION BETWEEN FRAMES 15-23. CORRECTIVE ACTION: REPAIRED PER SRM 530000-300-826-A0
- [SDR COEA2020043001901](https://openairdocs.org/sdr/COEA2020043001901), Mar 29, 2020: SPLICE. CORRODED. WO 212701 NR 100004 HEAVY CHECK COE/MINOR REPAIR: LANDING GEAR WHEEL WELL AREA, FRAME 27A BL0 SPLICE HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED SPLICE W
- [SDR COEA2018030507901](https://openairdocs.org/sdr/COEA2018030507901), Mar 5, 2018: SKIN. DAMAGED. INNER SKIN DAMAGED FORWARD OF FRAME 21, BELOW STRINGER 10L. REPAIRED IAW ES-1287/18.
- [SDR COEA2018022416901](https://openairdocs.org/sdr/COEA2018022416901), Feb 24, 2018: WEB. CORRODED. RIGHT CREASE BEAM WEB HAS CORROSION AND DAMAGE ON UPPER AND LOWER SURFACES, FRAMES 24 - 25. REPLACED THE WEB.
- [SDR COEA2018022410901](https://openairdocs.org/sdr/COEA2018022410901), Feb 24, 2018: FRAME. CORRODED. FRAME 21 HAS CORROSION BETWEEN STRINGERS 16R - 17R. REPAIRED THE FRAME IAW SRAS ES-1222/18.
- [SDR COEA2018022409901](https://openairdocs.org/sdr/COEA2018022409901), Feb 24, 2018: FLOORBEAM. DAMAGED. FLOORBEAM 14 HAS DAMAGE ON THE LOWER AFT FLANGE BY THE LT OUTBOARD SEAT TRACK. REPAIRED IAW SRAS PCE-1023/18.
- [SDR COEA2018022402901](https://openairdocs.org/sdr/COEA2018022402901), Feb 24, 2018: FLOOR SUPPORT. CRACKED. RIGHT FLOOR SUPPORT WAS CRACKED AT FRAME 18. SPLICE REPAIRED THE FLOOR SUPPORT IAW EA EO 5315-01.
- [SDR COEA2018022401901](https://openairdocs.org/sdr/COEA2018022401901), Feb 24, 2018: FLOOR SUPPORT. CRACKED. RIGHT FLOOR SUPPORT WAS CRACKED AT FRAME 16. SPLICE REPAIRED IAW EA EO. 5315-01.
- [SDR COEA2018022315901](https://openairdocs.org/sdr/COEA2018022315901), Feb 23, 2018: PLATE. CORRODED. KEEL BEAM LOWER PLATE CORRODED BY FRAME 26. REPLACED PLATE WITH OEM.
- [SDR COEA2018022314901](https://openairdocs.org/sdr/COEA2018022314901), Feb 23, 2018: DOUBLER. CORRODED. FUSELAGE INNER SKIN DOUBLER FORWARD OF FRAME 20, STRINGERS 5AR-6R HAS LEVEL 2 CORROSION. REPLACED DOUBLER BY FABRICATION.
- [SDR COEA2018022313901](https://openairdocs.org/sdr/COEA2018022313901), Feb 23, 2018: SKIN. CORRODED. HEAVY CHECK COE/MAJOR REPAIR: INNER SKIN HAS LEVEL 2 CORROSION AFT OF FRAME 23, BETWEEN STRINGERS 3R-3AR. REPAIRED PER SRAS S535R0362...12589 DATED 3/19/2018.
- [SDR COEA2018022312901](https://openairdocs.org/sdr/COEA2018022312901), Feb 23, 2018: SKIN. CORRODED. FUSELAGE INNER SKIN CORRODED, FORWARD OF FRAME 20, BETWEEN STRINGERS 5AL - 6L. REPAIRED IAW SRM 530000-3000-803-A01.
- [SDR COEA2018031506901](https://openairdocs.org/sdr/COEA2018031506901), Feb 23, 2018: STRINGER. CORRODED. HEAVY CHECK COE/MAJOR REPAIR: STRINGER 6AR CORRODED (LEVEL 2) FRAMES 17-18. REPAIRED PER SRM 530000-300-826-A01.
- [SDR COEA2018022303901](https://openairdocs.org/sdr/COEA2018022303901), Feb 23, 2018: SKIN. CORRODED. INNER SKIN HAD CORROSION, FWD OF FRAME 21, BETWEEN STRINGERS 7AL - 8L. REPAIRED THE SKIN IAW SRM 530000-3000-803-A01.
- [SDR COEA2018022211901](https://openairdocs.org/sdr/COEA2018022211901), Feb 22, 2018: FITTING. DAMAGED. UPPER AFT SHOOT BOLT ROLLER FITTING HAS IMPACT DAMAGE. REPAIRED IAW SRAS PCE-953/18.
- [SDR COEA2018022205901](https://openairdocs.org/sdr/COEA2018022205901), Feb 22, 2018: ANGLE. CORRODED. LEFT INNER ANGLE HAD CORROSION BETWEEN FRAMES 31-32. REPAIRED THE ANGLE IAW SRM 53-00-00-300-861-A01.
- [SDR COEA2018022204901](https://openairdocs.org/sdr/COEA2018022204901), Feb 22, 2018: ANGLE. CORRODED. RIGHT INBOARD ANGLE HAS CORROSION BETWEEN FRAMES 31 - 32. REPAIRED IAW SRM 53-00-00-300-861-A01.
- [SDR COEA2017090101901](https://openairdocs.org/sdr/COEA2017090101901), Sep 1, 2017: FLAP SYSTEM. MALFUNCTIONED. AFTER DEPARTURE, FLAPS WERE SELECTED UP AND FAILED TO RETRACT FULLY. INDICATOR SHOWED APPROX 8* OF FLAPS. FLAP DEPLOYMENT WAS VERIFIED VISUALLY BY FO. NO ASSEME
- [SDR COEA2016061807901](https://openairdocs.org/sdr/COEA2016061807901), Jun 18, 2016: WEB. CORRODED. EXTERIOR BELLY FRAME 23A RT SIDE NEAR BL 0 HAS CORROSION. REPLACED WITH OEM PART.
- [SDR COEA2016061404901](https://openairdocs.org/sdr/COEA2016061404901), Jun 14, 2016: SKIN. CORRODED. EXTERNAL LEFT LOWER FUSELAGE SKIN HAS CORROSION AT STRINGER 17L LAP JOINT, BETWEEN FRAMES 22A-23A. REPAIRED IAW ES-2757/16.
- [SDR COEA2016060203901](https://openairdocs.org/sdr/COEA2016060203901), Jun 2, 2016: FLOOR SUPPORT. CRACKED. DURING HEAVY CHECK, CARGO BAY FLOOR SUPPORT, FRAME 31 LBL 25 IS CRACKED. REPAIR IAW EO 5315-01.
- [SDR COEA2016052902901](https://openairdocs.org/sdr/COEA2016052902901), May 29, 2016: DOUBLER. CORRODED. DURING HEAVY CHECK, LT ENGINE NACELLE UNDERWING BOX INBOARD DOUBLER CORRODED. REPAIRED IAW CETS-2493/16.
- [SDR COEA2016040601901](https://openairdocs.org/sdr/COEA2016040601901), Apr 6, 2016: DRAIN LINE. BROKEN. FLIGHT 7804, DISCREPANCY. RAW JET FUEL SMELL IN COCKPIT DURING DESCENT & LANDING. TROUBLE SHOT & REPLACED TWO BROKEN DRAIN LINES IN RT NACELLE. DRAIN LINES, PN 
- [SDR COEA2014052210901](https://openairdocs.org/sdr/COEA2014052210901), Apr 15, 2014: SKIN. GALLED. RIB 13 LT OUTER WING PLANK HAS GALLED HOLES AT REMOVABLE PANEL SPLICE. REPAIR IAW SRAS DTS-2566 14 8451.
- [SDR COEA2014052209901](https://openairdocs.org/sdr/COEA2014052209901), Apr 15, 2014: SKIN. GALLED. NR 2 HEAVY CHECK COE & MAJOR REPAIR. LT WING OTBD PLANK HAS GALLED HOLES AT RIB 13 SPLICE & TWO OBLONG HOLES BETWEEN RIBS 22 - 23. REPAIR IAW SRAS DT & S 2566/1
- [SDR COEA2014042506901](https://openairdocs.org/sdr/COEA2014042506901), Apr 9, 2014: SKIN PANEL. DENTED. HEAVY CHECK COE, MAJOR REPAIR. FUSELAGE SKIN PANEL HAS AN OUTWARD DENT AFT OF FRAME 29 BETWEEN LT STRINGER 18 - 19. SINGLE RIVET REPAIR SRM 53-00-00 REPAIR 420 
- [SDR COEA2014041802901](https://openairdocs.org/sdr/COEA2014041802901), Apr 8, 2014: STIFFENER. CRACKED. HEAVY CHECK COE, MAJOR REPAIR. HYD COMPARTMENT STIFFENER ON THE AFT SIDE OF FRAME 27A HAS A CRACK FWD & BELOW THE HYD PUMPS. REPLACED WITH FABRICATED PART IAW S
- [SDR COEA2014052208901](https://openairdocs.org/sdr/COEA2014052208901), Apr 6, 2014: SUPPORT BEAM. EXCESS PLAY. WO 133215 NR 500031COE HEAVY CHECK & MAJOR REPAIR. LT WING RIB 4 FLAP SUPPORT BEAM HAS PLAY AT BOTH THE FWD INBD ATTACH POINTS TO THE REAR SPAR. REPLACED PART B

All 94: https://openairdocs.org/aircraft/N901FX/reports.md

## STCs that may be installed (OpenAirDocs) (111, 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 (Aerospatiale/Aeritalia ATR 42-320)

- [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. Rockwell Collins Inc
- [STC ST01761NY](https://openairdocs.org/stc/ST01761NY): Conversion of an ATR-420/300/320 passenger configuration into a full Class E cargo configuration, including a new lining, smoke detection system, large cargo door with an embedded crew door, and provisions for the transportation of bulk weight and standard unit load devices. PMV Engineering
- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST12365IB](https://openairdocs.org/stc/ST12365IB): Installation of ERT/CNG/1579 Fuselage Protection for Unpaved Runway for Belly Fuselage Skin Panels. EIRTECH AVIATION SERVICES LIMITED
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [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 ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST03166AT](https://openairdocs.org/stc/ST03166AT): Installation of L3 Communications Micro Quick Access Recorder (uQAR) models QAR100, 200 or 201. Acron Aviation Inc
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST04486NY](https://openairdocs.org/stc/ST04486NY): Installation of the Dual SFIM F227 APIRS. Mid Canada Mod Center
- [STC ST01189WI](https://openairdocs.org/stc/ST01189WI): Passenger to all cargo conversion. IPR M7 CONVERSIONS (USA) LIMITED c/o Vistra International
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST03042CH](https://openairdocs.org/stc/ST03042CH): Installation of a Global AirWorks Cockpit Door Surveillance System. Aero Technik Inc
- [STC ST02020WI](https://openairdocs.org/stc/ST02020WI): Reduce maximum zero fuel weight to restrict maximum payload to 7500 lbs. Worldwide Aircraft Services Inc
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00192IB](https://openairdocs.org/stc/ST00192IB): Installation of Automatic Dependent Surveillance – Broadcast (ADS-B) Out System and Single UNS-1Lw Flight Management System including Localizer Performance with Vertical Guidance (LPV) Monitor. 365 AEROSPACE DDS LIMITED
- [STC ST02529AT](https://openairdocs.org/stc/ST02529AT): Installation of photoluminescent floor proximity emergency escape path marking system (FPEEPMS). STG Aerospace Inc
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST03238NY](https://openairdocs.org/stc/ST03238NY): The installation of a single HF-9000 Communication Transceiver System. Roeder Praezision GMBH
- [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited
- [STC ST00095IB](https://openairdocs.org/stc/ST00095IB): Conversion of Passenger to Freighter Configuration. Aerodisa S.L
- [STC ST01925CH](https://openairdocs.org/stc/ST01925CH): Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System. Honeywell International Inc
- [STC ST03912AT](https://openairdocs.org/stc/ST03912AT): Installation of a T2CAS System into an ATR42/72 Series Aircraft and associated hardware. Woven Electronics LLC
- [STC SA8860SW](https://openairdocs.org/stc/SA8860SW): Replace core assembly of AiResearch Primary/Secondary Air-to-Air Heat Exchangers, part numbers 194776-1, SR1; 194776-2, SR1; and 194776-2, SR2. Honeywell International Inc
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT): Installation of a Talon Aerospace LED Replacement General Purpose Lamps. Aaxico Technical Services Inc
- [STC ST04608NY](https://openairdocs.org/stc/ST04608NY): Installation of the Rockwell Collins TDR-94D Transponder Upgrade. Mid Canada Mod Center
- [STC ST04602NY](https://openairdocs.org/stc/ST04602NY): Installation of Decompression Panel for Bulk Freighter Conversion. Aeroconseil
- [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit. Med-Pac Inc
- [STC ST04372NY](https://openairdocs.org/stc/ST04372NY): Installation of saf-Tglo® SSUL23 Photoluminescent Aisle Path Marking System. STG Aerospace Ltd
- [STC ST04340NY](https://openairdocs.org/stc/ST04340NY): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0. Scandinavian Avionics Design ApS
- [STC ST04443AT](https://openairdocs.org/stc/ST04443AT): Replacement of the HT1000 MCDU (Multi-Function Control Display Unit) with the HT9100 MCDU. Chippewa Aerospace Inc
- [STC ST02647NY](https://openairdocs.org/stc/ST02647NY): Update of Delta Engineering Synchro's and Sagem ED36 FDAU with APM (Aircraft Performance Monitor). Delta Engineering Corporation
- [STC ST02636LA](https://openairdocs.org/stc/ST02636LA): Modification to upgrade the existing XS-950 Mode S Transponder system to add ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST04437AT](https://openairdocs.org/stc/ST04437AT): Replacement/Upgrade of HT1000 NPR (Nav Processor Unit) and the HT9100 NPR. Chippewa Aerospace Inc
- [STC ST04288NY](https://openairdocs.org/stc/ST04288NY): For ATR 42 Model Aircraft and ATR 72 Model Aircraft Installation of gravel protection. Northeast Engr & Dev Ltd
- [STC ST04229NY](https://openairdocs.org/stc/ST04229NY): Introduction of a 16G New Generation Stretcher XL P/N 1120030-Series. Bucher Leichtbau AG
- [STC ST01872NY](https://openairdocs.org/stc/ST01872NY): Installation of Hawker 9750W0538 (24V 40Ah) and 9750W0350-5 (24V 18Ah) sealed lead-acid battery. Securaplane Technologies
- [STC ST02655LA](https://openairdocs.org/stc/ST02655LA): Installation of two True Blue Power model TA102 Charging Ports in the cockpit. U.S. Technical
- [STC ST02528SE](https://openairdocs.org/stc/ST02528SE): Installation of lightweight window plugs. LiteAir Aviation Products Inc
- [STC ST02509SE](https://openairdocs.org/stc/ST02509SE): Installation of dual Garmin GTX3000 transponders with ADS-B Out. AeroMech Incorporated
- [STC ST03776NY](https://openairdocs.org/stc/ST03776NY): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II). Scandinavian Avionics Design ApS
- [STC ST03840NY](https://openairdocs.org/stc/ST03840NY): Installation of the SkyTrac Flight Following/SATCOM System. SkyTrac Systems Ltd
- [STC ST00881WI-D](https://openairdocs.org/stc/ST00881WI-D): Modification of a TCAS II system installation to Change 7.0 or Change 7.1. Rockwell Collins Inc
- [STC ST03707NY](https://openairdocs.org/stc/ST03707NY): Replacement of fluorescent lighting with LED lighting. First Air
- [STC ST01812WI](https://openairdocs.org/stc/ST01812WI): Installation of dual Garmin GTN 725 GPS Navigator System with dual Garmin GA36 WAAS/GPS antennas. Garmin International Inc
- [STC ST04057CE](https://openairdocs.org/stc/ST04057CE): Installation of the CMA-6800 AMLCD EFIS Displays. Canard Aerospace Corporation

All 111: https://openairdocs.org/aircraft/N901FX/stcs.md

## Related

- Other Aerospatiale/Aeritalia ATR 42-320 aircraft: https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320/aircraft.md
- The Pratt & Whitney Canada PW121 engine: https://openairdocs.org/engine/pratt-whitney-canada-pw121.md

---
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