# N801HC: 2004 Eads/Alenia ATR ATR 42-500

- Status: Valid registration
- Airframe: [Eads/Alenia ATR ATR 42-500](https://openairdocs.org/model/eads-alenia-atr-atr-42-500) (registry code 868094C, 62 seats)
- Engine: [Pratt & Whitney Canada PW127E](https://openairdocs.org/engine/pratt-whitney-canada-pw127e) (registry code 52220)
- 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: 629
- Year built: 2004
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: January 11, 2014
- Certificate issued: October 10, 2012
- Expires: October 31, 2028
- Mode S code: AAE646
- Registered owner: [Airline Contract Maintenance And Equipment Inc](https://openairdocs.org/faa-owner/AIRLINE%20CONTRACT%20MAINTENANCE%20AND%20EQUIPMENT%20INC)
- Location: [Honolulu, HI](https://openairdocs.org/faa-place/HI/Honolulu)
- Owner type: Corporation
- Owner's area on the map: 21.3477° N, 157.8767° W: Placed by OpenAirDocs at the center of ZIP code 96819, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=801HC
- Page: https://openairdocs.org/aircraft/N801HC

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): 139 in force

### Matched by airframe (Eads/Alenia ATR ATR 42-500)

- [AD 2026-18-01](https://openairdocs.org/ad/2026-18-01): Time Limits/Maintenance Checks, Air Conditioning and Pressurization · ATR – GIE Avions de Transport Régional ATR42-500. Effective Sep 18, 2026
- [AD 2026-16-07](https://openairdocs.org/ad/2026-16-07): Stabilizers · ATR – GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Sep 18, 2026
- [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 2026-10-08](https://openairdocs.org/ad/2026-10-08): Time Limits/Maintenance Checks · ATR – GIE Avions de Transport Régional ATR42-500. Effective Jul 1, 2026
- [AD 2025-25-10](https://openairdocs.org/ad/2025-25-10): Time Limits/Maintenance Checks · ATR – GIE Avions de Transport Régional ATR42-500. 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 2025-20-01](https://openairdocs.org/ad/2025-20-01): Flight Controls · ATR – GIE Avions de Transport Régional ATR42-500, ATR72-101, ATR72-102 and 5 more. Effective Nov 6, 2025
- [AD 2025-17-15](https://openairdocs.org/ad/2025-17-15): Hydraulic Power · ATR – GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Sep 11, 2025
- [AD 2025-10-08](https://openairdocs.org/ad/2025-10-08): Stabilizers · ATR – GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Jul 2, 2025
- [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 2025-06-11](https://openairdocs.org/ad/2025-06-11): Stabilizers · ATR – GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective May 2, 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 2024-19-02](https://openairdocs.org/ad/2024-19-02): Time Limits/Maintenance Checks · ATR – GIE Avions de Transport Régional ATR42-500. Effective Nov 15, 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 2023-19-07](https://openairdocs.org/ad/2023-19-07): Electrical Power · ATR - GIE Avions de Transport Régional ATR42-500, ATR72-101, ATR72-102 and 5 more. Effective Nov 9, 2023
- [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 2023-06-01](https://openairdocs.org/ad/2023-06-01): Instruments · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective May 18, 2023
- [AD 2022-15-08](https://openairdocs.org/ad/2022-15-08): Information systems · Airbus A318-111, A318-112, A319-111 and 49 more. Effective Aug 12, 2022
- [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 2021-19-13](https://openairdocs.org/ad/2021-19-13): Navigation · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Nov 9, 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 2020-26-17](https://openairdocs.org/ad/2020-26-17): Instruments · ATR - GIE Avions de Transport Régional ATR42-500, ATR72-101, ATR72-102 and 5 more. Effective Jan 4, 2021
- [AD 2020-07-12](https://openairdocs.org/ad/2020-07-12): Flight controls · ATR - GIE Avions de Transport Régional ATR42-500. Effective May 18, 2020
- [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 2018-17-07](https://openairdocs.org/ad/2018-17-07): Electric · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Sep 4, 2018
- [AD 2017-26-09](https://openairdocs.org/ad/2017-26-09): Fire protection · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Jan 18, 2018
- [AD 2017-26-08](https://openairdocs.org/ad/2017-26-08): Instruments · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Jan 18, 2018
- [AD 2017-25-15](https://openairdocs.org/ad/2017-25-15): Ice and Rain Potection · ATR - GIE Avions de Transport Régional ATR42-300, ATR42-500, ATR72-202 and 1 more. Effective Jan 2, 2018
- [AD 2017-25-08](https://openairdocs.org/ad/2017-25-08): Auto Flight · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Dec 28, 2017
- [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 2017-09-12](https://openairdocs.org/ad/2017-09-12): Lights · ATR - GIE Avions de Transport Régional ATR42-500, ATR72-102, ATR72-202 and 2 more. Effective Jun 27, 2017
- [AD 2016-18-14](https://openairdocs.org/ad/2016-18-14): Equipment/furnishings · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Oct 20, 2016
- [AD 2016-04-10](https://openairdocs.org/ad/2016-04-10): Electrical Routing · ATR - GIE Avions de Transport Régional ATR42-500, ATR72-102, ATR72-202 and 2 more. Effective Apr 1, 2016
- [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 2015-13-01](https://openairdocs.org/ad/2015-13-01): Flight controls · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Jul 13, 2015

### Matched by engine (Pratt & Whitney Canada PW127E)

- [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 2013-15-08](https://openairdocs.org/ad/2013-15-08): First-stage PT blades · Pratt & Whitney Canada PW118A, PW118B, PW119B and 15 more. Effective Sep 17, 2013
- [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 2004-20-01](https://openairdocs.org/ad/2004-20-01): Bypass valve cover · Pratt & Whitney Canada PW123, PW123AF, PW123B and 10 more. Effective Nov 5, 2004
- [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

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

- [AD 2023-21-10](https://openairdocs.org/ad/2023-21-10) (historical): Stabilizers · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective Jan 5, 2024
- [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 2023-02-08](https://openairdocs.org/ad/2023-02-08) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-500. Effective Mar 14, 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 2021-09-13](https://openairdocs.org/ad/2021-09-13) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-500. Effective Jun 23, 2021
- [AD 2021-10-20](https://openairdocs.org/ad/2021-10-20) (historical): Electrical power · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212A. Effective May 14, 2021
- [AD 2019-20-03](https://openairdocs.org/ad/2019-20-03) (historical): Information systems · Airbus A340-312, A340-313, A318-111 and 48 more. Effective Nov 19, 2019
- [AD 2018-20-14](https://openairdocs.org/ad/2018-20-14) (historical): Time limits/maintenance checks · ATR - GIE Avions de Transport Régional ATR42-500. Effective Nov 20, 2018
- [AD 2017-24-01](https://openairdocs.org/ad/2017-24-01) (historical): Electrical System Installation · ATR - GIE Avions de Transport R gional ATR42-500 and ATR72-212A. Effective Dec 11, 2017
- [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 2004-12-13](https://openairdocs.org/ad/2004-12-13) (historical): Vertical fin · ATR  GIE Avions de Transport R gional ATR42-500 and ATR72-212A. Effective Jul 22, 2004
- [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 2000-23-04 R1](https://openairdocs.org/ad/2000-23-04-R1) (historical): Structural Integrity of Airplane · ATR - GIE Avions de Transport Régional ATR42-500. Effective Dec 19, 2000
- [AD 2000-23-04](https://openairdocs.org/ad/2000-23-04) (historical): Fatigue Cracking · ATR  GIE Avions de Transport R gional ATR42-500. Effective Dec 19, 2000
- [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 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 163: https://openairdocs.org/aircraft/N801HC/ads.md

## Information bulletins (advisory) (7 in force)

- [SAIB NM-15-14](https://openairdocs.org/saib/NM-15-14): Propellers/Propulsors. Issued Apr 20, 2015
- [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 N801HC.

## FAA accident and incident reports

None matched to N801HC.

## Service difficulty reports (89, 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 COEA2020011509801](https://openairdocs.org/sdr/COEA2020011509801), Dec 28, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION LT WINDOW NR 12 LOWER AREA BETWEEN FRAMES 29-30. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0087723_01...13704 ISSUE B, DATED 1/10/
- [SDR COEA2020011508801](https://openairdocs.org/sdr/COEA2020011508801), Dec 28, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION AT NR 8 WINDOW UPPER AREA FRAMES 24-25. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0088003_01...13701 ISSUE B, DATED 1/1/2020.
- [SDR COEA2020011511801](https://openairdocs.org/sdr/COEA2020011511801), Dec 21, 2019: SUPPORT. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION ON RT WING SCAN LIGHT ASSY/SUPPORT. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0087717_01...13705 ISSUE B, DATED 1/10/2020.
- [SDR COEA2020011510801](https://openairdocs.org/sdr/COEA2020011510801), Dec 21, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION FWD CARGO DOOR CUT OUT FWD UPPER AREA AT FRAME 14. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0087479_01...13687 ISSUE B, DATED 1/7
- [SDR COEA2020011507801](https://openairdocs.org/sdr/COEA2020011507801), Dec 21, 2019: SKIN PANEL. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION AT RT UPPER WING RIB 5 AROUND PANEL 622CT. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0112679_01...15741 ISSUE A, DATED 1/10/2020.
- [SDR COEA2020011406801](https://openairdocs.org/sdr/COEA2020011406801), Dec 21, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION LT WINDOW NR 6 TOP AREA BETWEEN FRAMES 23-24. CORRECTIVE ACTION: REPAIR PER SRAS ES_0087717_01...13705 ISSUE B, DATED 1/10/2020.
- [SDR COEA2020011405801](https://openairdocs.org/sdr/COEA2020011405801), Dec 21, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION LT WINDOW 10 UPPER AREAS BETWEEN FRAMES 27-28. CORRECTIVE ACTION: REPAIR PER SRAS ES_0087717_01...13705 ISSUE B, DATED 1/10/2020
- [SDR COEA2020011404801](https://openairdocs.org/sdr/COEA2020011404801), Dec 21, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION LT WINDOW NR 9 BOTTOM AREA BETWEEN FRAMES 26-27. CORRECTIVE ACTION: REPAIR PER SRAS ES_0087717_01...13705 ISSUE B, DATED 1/10/20
- [SDR COEA2020011403801](https://openairdocs.org/sdr/COEA2020011403801), Dec 21, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION LT WING LOWER TRAILING EDGE BETWEEN RIBS 21-22. CORRECTIVE ACTION: REPAIR PER SRAS ES-608/16...10011 ISSUE F, DATED 1/10/2020.
- [SDR COEA2020011402801](https://openairdocs.org/sdr/COEA2020011402801), Dec 21, 2019: SKIN. CORRODED. MINOR REPAIR: LEVEL 2 CORROSION AT RT WING LOWER TRAILING EDGE BETWEEN RIBS 13-15. CORRECTIVE ACTION: REPAIR PER SRAS ES-609/16...9999 ISSUE F, DATED 1/10/2020.
- [SDR COEA2020011512801](https://openairdocs.org/sdr/COEA2020011512801), Dec 18, 2019: SKIN. CORRODED. MINOR REPAIR: FUSELAGE SKIN LEVEL 2 CORROSION FRAME 13 BUTT JOINT BETWEEN STRINGERS 2-6 ON LT SIDE. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0112469_01...15723 I
- [SDR COEA2019010501801](https://openairdocs.org/sdr/COEA2019010501801), Jan 5, 2019: DOOR. OBSTRUCTED. FLIGHT 625, ENROUTE LNY - HNL, AIR TURNBACK. DISCREPANCY: ON CLIMB OUT OF LNY, THE CREW NOTICED A LOUD AIR NOISE COMING FROM LEFT SIDE OF AIRCRAFT. CREW WAS UNA
- [SDR COEA2018112352801](https://openairdocs.org/sdr/COEA2018112352801), Oct 25, 2018: KEELBEAM. CORRODED. WO 188750 NR 100061 HEAVY CHECK COE/MINOR REPAIR: KEEL BEAM FWD OF FRAME 27A HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED WITH OEM PART.
- [SDR COEA2018112343801](https://openairdocs.org/sdr/COEA2018112343801), Oct 24, 2018: SKIN. CORRODED. WO 188750 NR 300025 HEAVY CHECK COE/MINOR REPAIR: RH HORIZONTAL LEADING EDGE HAS LEVEL 2 CORROSION ON THE ATTACH FLANGE MATING SURFACE. CORRECTIVE ACTION: REPLA
- [SDR COEA2018112348801](https://openairdocs.org/sdr/COEA2018112348801), Oct 24, 2018: HINGE. CORRODED. WO 188750 NR 500042 HEAVY CHECK COE/MINOR REPAIR: LH WING LOWER TRAILING EDGE DROP DOWN PANEL 531AB MIDDLE HINGE SUPPORT ATTACH PLATE HAS LEVEL 2 CORROSION. COR
- [SDR COEA2018112347801](https://openairdocs.org/sdr/COEA2018112347801), Oct 24, 2018: HINGE. CORRODED. WO 188750 NR 500041 HEAVY CHECK COE/MINOR REPAIR: LH WING LOWER TRAILING EDGE DROP DOWN PANEL 531AB INBOARD HINGE SUPPORT ATTACH PLATE HAS LEVEL 2 CORROSION. CO
- [SDR COEA201811232181](https://openairdocs.org/sdr/COEA201811232181), Oct 23, 2018: ACCESS PANEL. CORRODED. WO 188750 NR 100034 HEAVY CHECK COE/MINOR REPAIR: EXTERIOR FUSELAGE, ACCESS PANEL FOR FWD CARGO DOOR CONTROL HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED 
- [SDR COEA201811232801](https://openairdocs.org/sdr/COEA201811232801), Oct 23, 2018: SKIN. CORRODED. WO 188750 NR 800006 HEAVY CHECK COE/MINOR REPAIR: AVIONICS DOOR HAS LEVEL 2 CORROSION ON EXTERIOR SURFACE. CORRECTIVE ACTION: REPLACED DOOR ASSY. WITH OEM.
- [SDR COEA2018112319801](https://openairdocs.org/sdr/COEA2018112319801), Oct 23, 2018: SKIN. CORRODED. WO 188750 NR 800005 HEAVY CHECK COE/MINOR REPAIR: AVIONICS DOOR HAS LEVEL 2 CORROSION AT AFT END ON INTERIOR SURFACE. CORRECTIVE ACTION: REPLACED DOOR ASSY WITH
- [SDR COEA201806077801](https://openairdocs.org/sdr/COEA201806077801), May 17, 2018: STRINGER. CORRODED. STRINGER 15L HAD CORROSION BETWEEN FRAMES 39 - 40. REPLACED THE STRINGER.
- [SDR COEA2018060746801](https://openairdocs.org/sdr/COEA2018060746801), May 14, 2018: STRUCTURE. CORRODED. RIGHT SERVICE DOOR, OUTBOARD STRUCTURE HAD 2 CORROSION. REPLACED.
- [SDR COEA2018060705801](https://openairdocs.org/sdr/COEA2018060705801), May 10, 2018: FLOORBEAM. CORRODED. FLOORBEAM AT FRAME 40 WAS EXFOLIATED, JUST INBOARD OF THE LT CREASE BEAM WEB. PERFORMED A FLOORBEAM SPLICE REPAIR IAW SRM 530000-300-837-A01.
- [SDR COEA2018060794801](https://openairdocs.org/sdr/COEA2018060794801), May 9, 2018: SUPPORT PLATE. CORRODED. INTERIOR FUSELAGE, LAVATORY SUPPORT PLATE HAD CORROSION. REPLACED THE SUPPORT PLATE.
- [SDR COEA2018060793801](https://openairdocs.org/sdr/COEA2018060793801), May 9, 2018: FLOORBEAM. CORRODED. FLOORBEAM AT FRAME 38, TOP SURFACE HAD CORROSION. REPLACED THE FLOORBEAM.
- [SDR COEA2018060792801](https://openairdocs.org/sdr/COEA2018060792801), May 9, 2018: WEB. CORRODED. INTERIOR FUSELAGE, SERVICE DOOR THRESHOLD WEB HAD CORROSION. REPLACED THE WEB.
- [SDR COEA2018060791801](https://openairdocs.org/sdr/COEA2018060791801), May 9, 2018: WEB. CORRODED. PASSENGER DOOR THRESHOLD WEB HAD CORROSION. REPLACED WITH THE THRESHOLD WEB.
- [SDR COEA2018060782801](https://openairdocs.org/sdr/COEA2018060782801), May 8, 2018: SPAR. CORRODED. LEFT WING SLAT REAR SPAR STRIP HAD CORROSION BETWEEN RIBS 17 - 21. REPAIRED IAW SRAS PCE-1855/18.
- [SDR COEA2018060781801](https://openairdocs.org/sdr/COEA2018060781801), May 8, 2018: SPAR. CORRODED. LEFT WING SLAT REAR SPAR UPPER STRIP HAD CORROSION, BETWEEN RIBS 14 - 17. REPAIRED IAW SRAS PCE-1855/18.
- [SDR COEA2018060788801](https://openairdocs.org/sdr/COEA2018060788801), May 8, 2018: SEAT TRACK. CORRODED. RIGHT SEAT TRACK HAD CORROSION BETWEEN FRAMES 41 - 42. REPLACED THE SEAT TRACK.
- [SDR COEA2018060710801](https://openairdocs.org/sdr/COEA2018060710801), May 7, 2018: PANEL. CORRODED. LEFT WING REMOVABLE PANEL 521DT HAD FRETTING CORROSION. REPLACED THE PANEL.
- [SDR COEA2018060756801](https://openairdocs.org/sdr/COEA2018060756801), May 5, 2018: SKIN. CORRODED. RIGHT WING LOWER SKIN, TRAILING EDGE AT RIB 23 HAD CORROSION. REPAIRED IAW ES-609/16.10000, ISSUE D.
- [SDR COEA2018060755801](https://openairdocs.org/sdr/COEA2018060755801), May 5, 2018: SKIN. CORRODED. LEFT WING LOWER SKIN AT THE TRAILING EDGE, RIB 13 WAS CORRODED. REPAIRED IAW SRAS ES-608/16.
- [SDR COEA2018060754801](https://openairdocs.org/sdr/COEA2018060754801), May 5, 2018: FITTING. CORRODED. RIGHT WING LOWER SURFACE RIB 13 PIANO FITTING HAD CORROSION. REPAIRED IAW SRAS CE-564/16.
- [SDR COEA2101806075380](https://openairdocs.org/sdr/COEA2101806075380), May 5, 2018: SKIN. CORRODED. RIGHT WING, LOWER SKIN AT THE TRAILING EDGE HAD CORROSION BETWEEN RIBS 13 - 16. REPAIRED IAW SRAS ES-609/16.
- [SDR COEA201806079801](https://openairdocs.org/sdr/COEA201806079801), May 5, 2018: SKIN. CORRODED. LT WING LOWER SKIN AT THE TRAILING EDGE HAD CORROSION BETWEEN RIBS 26 & 27. REPAIRED IAW SRAS ES-608/16.
- [SDR COEA2017112004801](https://openairdocs.org/sdr/COEA2017112004801), Nov 18, 2017: PROBE. MALFUNCTIONED. NR ENGINE EXPERIENCED A FLAMEOUT DURING DESCENT. CREW DECLARED EMERGENCY. THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER ISSUE. CREW REPORTED A LOW LEVEL FUEL LIGHT
- [SDR COEA2017110203801](https://openairdocs.org/sdr/COEA2017110203801), Nov 2, 2017: STRUCTURE. CORRODED. MAJOR REPAIR/DISCREPANCY: LEVEL 2 CORROSION ON RT LOWER WING BETWEEN RIBS 13-15 ON TRAILING EDGE. DETERMINED TO BE A MAJOR REPAIR ON 11/2/2017 PER SRAS. REPAIR 
- [SDR COEA2017061402801](https://openairdocs.org/sdr/COEA2017061402801), Jun 14, 2017: SHUTOFF VALVE. FAULTED. NR 2 ENGINE BLEED FAULT DURING CLIMB OUT. CREW ELECTED TO RETURN TO DEPARTURE. NO EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. REPLACED THE NR 2 ENGINE BLEED AI
- [SDR COEA2017010501801](https://openairdocs.org/sdr/COEA2017010501801), Jan 5, 2017: SWITCH. MALFUNCTIONED. AIR TURNBACK, IDLE GATE FAILED ON CCAS IN FLIGHT. CREW ELECTED TO RETURN TO HNL. NO EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED SWITCH 150
- [SDR COEA2016120801801](https://openairdocs.org/sdr/COEA2016120801801), Dec 8, 2016: DOOR. DAMAGED. SERVICE DOOR REMOVED FROM 801HC FOR AN AIR LEAK. DAMAGE TO LOWER FWD CORNER. REPAIRED IAW CETS-5119/16.
- [SDR COEA2016030349801](https://openairdocs.org/sdr/COEA2016030349801), Mar 3, 2016: HINGE. CORRODED. HEAVY CHECK COE & MAJOR REPAIR. LT WING, HINGE FOR LE PANEL 511 HAS LEVEL 2 CORROSION. REPLACED HINGE WITH OEM PART.
- [SDR COEA2016030147801](https://openairdocs.org/sdr/COEA2016030147801), Mar 1, 2016: SKIN PANEL. DAMAGED. HEAVY CHECK COE & MAJOR REPAIR. RT WING LOWER SKIN PANEL HAS A DENT WITH A GOUGE & ADJACENT GOUGE OTBD OF RIB 10, BETWEEN STIFFENERS 9 - 10. REPAIR IAW SRAS ES-
- [SDR COEA2016030146801](https://openairdocs.org/sdr/COEA2016030146801), Mar 1, 2016: FRAME. DAMAGED. HEAVY CHECK COE & MAJOR REPAIR. LT FRAME 6, FLANGE DAMAGED BELOW WL 2327.5. REPAIR IAW SRAS S531R0335 10057 DATED 3 10 2016.
- [SDR COEA2016030145801](https://openairdocs.org/sdr/COEA2016030145801), Mar 1, 2016: SKIN PANEL. DAMAGED. HEAVY CHECK COE & /MAJOR REPAIR. NOSE FUSELAGE LT LOWER FWD SKIN PANEL HAS PERFORATION & SURROUNDING DENT AT FRAME 6. REPAIRED IAW SRAS S531R0335 10057 DATED 3 
- [SDR COEA2016011720801](https://openairdocs.org/sdr/COEA2016011720801), Jan 17, 2016: FITTING. CORRODED. HEAVY CHECK COE & MAJOR REPAIR. FWD CARGO DOOR, FWD LATCH FITTING, FWD CTR HOLE HAS CORROSION INSIDE. REPAIRED IAW SRAS CE 964 16 10029 DATED 2 26 16.
- [SDR COEA2016011619801](https://openairdocs.org/sdr/COEA2016011619801), Jan 16, 2016: SKIN PANEL. CORRODED. HEAVY CHECK COE & MAJOR REPAIR. LT HORIZONTAL STABILIZER LE PANEL 331 HAS LEVEL 2 CORROSION INSIDE AROUND FASTENER HOLES. REPAIR PER SRAS CE 524 16 10014 DATED 
- [SDR COEA2016011516801](https://openairdocs.org/sdr/COEA2016011516801), Jan 15, 2016: SKIN PANEL. CORRODED. HEAVY CHECK COE & MAJOR REPAIR. REAR CTR FUSELAGE, RT LATERAL LOWER SKIN PANEL HAS LEVEL 2 CORROSION UNDER THE SERVICE DOOR SCUFF PLATE. REPAIR IAW SRAS CE 588 
- [SDR COEA2016011412801](https://openairdocs.org/sdr/COEA2016011412801), Jan 14, 2016: SEAT TRACK. CORRODED. HEAVY CHECK COE & MAJOR REPAIR. RT INBD SEAT TRACK HAS AREAS OF BARE METAL & LEVEL 2 CORROSION, BETWEEN FRAMES 34 - 36. REPAIR IAW SRM 530000-300-853-A01.
- [SDR COEA2016011343801](https://openairdocs.org/sdr/COEA2016011343801), Jan 13, 2016: BRACKET. CORRODED. HEAVY CHECK COE & MINOR REPAIR. RT WING LOWER TE, DROP DOWN PANEL 632AB, INBD ROLLER BRACKET HAS LEVEL 2 CORROSION. REPLACED BRACKET WITH OEM PART.
- [SDR COEA2016011323801](https://openairdocs.org/sdr/COEA2016011323801), Jan 13, 2016: HINGE. CORRODED. HEAVY CHECK COE & MINOR REPAIR. RT WING LOWER TE DROP DOWN PANEL 631AB, HINGE HAS LEVEL 2 CORROSION. REPLACED HINGE WITH OEM PART.

All 89: https://openairdocs.org/aircraft/N801HC/reports.md

## STCs that may be installed (OpenAirDocs) (75, 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 (Eads/Alenia ATR ATR 42-500)

- [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 ST12466CH](https://openairdocs.org/stc/ST12466CH): Installation of Seat Blocker Interior Reconfiguration. STS Engineering Solutions, LLC
- [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 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 ST04437AT](https://openairdocs.org/stc/ST04437AT): Replacement/Upgrade of HT1000 NPR (Nav Processor Unit) and the HT9100 NPR. Chippewa Aerospace Inc
- [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 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 ST04057CE](https://openairdocs.org/stc/ST04057CE): Installation of the CMA-6800 AMLCD EFIS Displays. Canard Aerospace Corporation
- [STC ST02530LA](https://openairdocs.org/stc/ST02530LA): Installation of T2CAS with TCAS version 7.1. Aircraft Communication & Surveillance Systems
- [STC ST03846AT](https://openairdocs.org/stc/ST03846AT): Installation of the Flight Deck Resources SkyTab 3201 Electronic Flight Bag (EFB) System into an Aerospatiale ATR42/72 Series Aircraft and associated hardware. B/E Aerospace Inc
- [STC ST02886NY](https://openairdocs.org/stc/ST02886NY): Installation of replacement Teledyne Battery Products. Teledyne Battery Products
- [STC ST02524LA](https://openairdocs.org/stc/ST02524LA): Installation of TCAS version 7.0. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST11131SC](https://openairdocs.org/stc/ST11131SC): Installation of a Pratt & Whitney flight data acquisition, storage and transmission system (FAST). Pratt & Whitney Engine Services Inc
- [STC ST02490LA](https://openairdocs.org/stc/ST02490LA): Interior reconfiguration. Airline Contract Maintenance and Equipment, Inc
- [STC ST01635WI-D](https://openairdocs.org/stc/ST01635WI-D): Modification of Rockwell Collins, Inc. VHF-4000 and VHF-4000E installations. Rockwell Collins Inc
- [STC ST01310NY](https://openairdocs.org/stc/ST01310NY): Installation of Delta Engineering Installation Kit and Sagem (AFDAU). Delta Engineering

All 75: https://openairdocs.org/aircraft/N801HC/stcs.md

## Related

- Other Eads/Alenia ATR ATR 42-500 aircraft: https://openairdocs.org/model/eads-alenia-atr-atr-42-500/aircraft.md
- The Pratt & Whitney Canada PW127E engine: https://openairdocs.org/engine/pratt-whitney-canada-pw127e.md

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