# Boeing 747-446 - Type: Aircraft model (FAA registry) - Registry code: 13848CJ - Manufacturer (registry): BOEING - Model: 747-446 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 4 · Turbo-fan - Seats: 490 - Weight class: 20,000 lb and over - Certification: Type certificated - Data sheet: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (OpenAirDocs) - Holder: The Boeing Company - Registered aircraft: 10 - Page: https://openairdocs.org/model/boeing-747-446 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2026-10-14](https://openairdocs.org/ad/2026-10-14): Communications system · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 6, 2026 - [AD 2026-13-14](https://openairdocs.org/ad/2026-13-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Jul 1, 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 2026-08-06](https://openairdocs.org/ad/2026-08-06): Oxygen · Boeing 747-400 Series with STC ST01676SE or ST01706SE. Effective May 7, 2026 - [AD 2025-15-07](https://openairdocs.org/ad/2025-15-07): Equipment/furnishings · Boeing 747-8 Series, 747-8F Series, 747-200B Series and 6 more. Effective Aug 13, 2025 - [AD 2025-09-08](https://openairdocs.org/ad/2025-09-08): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective May 5, 2025 - [AD 2025-03-10](https://openairdocs.org/ad/2025-03-10): Water/waste · Boeing 747-400 Series, 747-400F Series, 747-8F Series and 1 more. Effective Mar 21, 2025 - [AD 2025-02-07](https://openairdocs.org/ad/2025-02-07): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Mar 17, 2025 - [AD 2025-02-05](https://openairdocs.org/ad/2025-02-05): Landing gear · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 17, 2025 - [AD 2024-19-01](https://openairdocs.org/ad/2024-19-01): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Nov 15, 2024 - [AD 2023-23-14](https://openairdocs.org/ad/2023-23-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Dec 15, 2023 - [AD 2023-18-06](https://openairdocs.org/ad/2023-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 7, 2023 - [AD 2023-12-14](https://openairdocs.org/ad/2023-12-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Jun 21, 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 2023-07-09](https://openairdocs.org/ad/2023-07-09): Fuel · Boeing 747-400 Series and 747-8 Series. Effective May 1, 2023 - [AD 2023-03-20](https://openairdocs.org/ad/2023-03-20): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective May 1, 2023 - [AD 2023-03-15](https://openairdocs.org/ad/2023-03-15): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 14, 2023 - [AD 2022-24-15](https://openairdocs.org/ad/2022-24-15): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Jan 26, 2023 - [AD 2022-25-04](https://openairdocs.org/ad/2022-25-04): Equipment/Furnishings · Boeing 747-400 Series and 747-8 Series. Effective Jan 20, 2023 - [AD 2022-23-12](https://openairdocs.org/ad/2022-23-12): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 4, 2023 - [AD 2022-15-07](https://openairdocs.org/ad/2022-15-07): Navigation · Boeing 747-400 Series. Effective Sep 15, 2022 - [AD 2022-13-18](https://openairdocs.org/ad/2022-13-18): Oxygen · Boeing 737-700 Series, 737-800 Series, 747-8 Series and 3 more. Effective Sep 15, 2022 - [AD 2022-10-11](https://openairdocs.org/ad/2022-10-11): Fuel, Wings · Boeing 747-100B SUD Series, 747-200B Series, 747-200C Series and 6 more. Effective Jul 11, 2022 - [AD 2021-26-10](https://openairdocs.org/ad/2021-26-10): Equipment/Furnishings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Feb 22, 2022 - [AD 2021-17-06](https://openairdocs.org/ad/2021-17-06): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2021 - [AD 2021-14-10](https://openairdocs.org/ad/2021-14-10): Equipment/furnishings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Aug 19, 2021 - [AD 2021-08-04](https://openairdocs.org/ad/2021-08-04): Oxygen · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 23 more. Effective May 26, 2021 - [AD 2021-06-10](https://openairdocs.org/ad/2021-06-10): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 16 more. Effective Apr 28, 2021 - [AD 2020-21-16](https://openairdocs.org/ad/2020-21-16): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 14, 2021 - [AD 2020-18-02](https://openairdocs.org/ad/2020-18-02): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Nov 10, 2020 - [AD 2020-15-14](https://openairdocs.org/ad/2020-15-14): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 3, 2020 - [AD 2020-14-02](https://openairdocs.org/ad/2020-14-02): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 28, 2020 - [AD 2020-07-14](https://openairdocs.org/ad/2020-07-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 18, 2020 - [AD 2020-04-11](https://openairdocs.org/ad/2020-04-11): Fuselage · Boeing 747-400 Series. Effective Apr 13, 2020 - [AD 2019-19-02](https://openairdocs.org/ad/2019-19-02): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Nov 27, 2019 - [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018 - [AD 2018-19-23](https://openairdocs.org/ad/2018-19-23): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 15 more. Effective Nov 7, 2018 - [AD 2018-16-06](https://openairdocs.org/ad/2018-16-06): Equipment/furnishings; 53, Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 12, 2018 - [AD 2018-09-12](https://openairdocs.org/ad/2018-09-12): Oxygen · Boeing 747-200B Series, 747-300 Series and 747-400 Series. Effective May 30, 2018 - [AD 2018-04-07](https://openairdocs.org/ad/2018-04-07): Fuselage; Nacelles/Pylons; Stabilizers; Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 30, 2018 - [AD 2017-22-10](https://openairdocs.org/ad/2017-22-10): Equipment/furnishings · Boeing 747-400 Series, 747-400F Series and 747-8F Series. Effective Dec 29, 2017 - [AD 2017-18-06](https://openairdocs.org/ad/2017-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017 - [AD 2017-09-10](https://openairdocs.org/ad/2017-09-10): Wings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jun 27, 2017 - [AD 2017-02-09](https://openairdocs.org/ad/2017-02-09): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Mar 17, 2017 - [AD 2017-02-04](https://openairdocs.org/ad/2017-02-04): Nacelles/pylons · Boeing 747-200B Series, 747-300 Series, 747-400 Series and 2 more. Effective Mar 14, 2017 - [AD 2016-26-07](https://openairdocs.org/ad/2016-26-07): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Feb 15, 2017 - [AD 2016-25-01](https://openairdocs.org/ad/2016-25-01): Auto flight · Boeing 747-400 Series, 747-400D Series, 747-400F Series and 8 more. Effective Jan 31, 2017 - [AD 2016-25-05](https://openairdocs.org/ad/2016-25-05): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 25, 2017 - [AD 2016-25-09](https://openairdocs.org/ad/2016-25-09): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jan 17, 2017 - [AD 2016-19-12](https://openairdocs.org/ad/2016-19-12): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Nov 14, 2016 Historical (superseded or no longer in force): - [AD 2025-01-08](https://openairdocs.org/ad/2025-01-08) (historical): Equipment/furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Mar 19, 2025 - [AD 2022-27-07](https://openairdocs.org/ad/2022-27-07) (historical): Fuel · Boeing 747-400 Series and 747-8 Series. Effective Jan 13, 2023 - [AD 2022-06-16](https://openairdocs.org/ad/2022-06-16) (historical): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Mar 16, 2022 - [AD 2021-07-09](https://openairdocs.org/ad/2021-07-09) (historical): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 12, 2021 - [AD 2021-02-15](https://openairdocs.org/ad/2021-02-15) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Mar 30, 2021 - [AD 2020-03-20](https://openairdocs.org/ad/2020-03-20) (historical): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Feb 18, 2020 - [AD 2019-22-02](https://openairdocs.org/ad/2019-22-02) (historical): Equipment/ furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Jan 16, 2020 - [AD 2017-18-05](https://openairdocs.org/ad/2017-18-05) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017 - [AD 2015-13-06](https://openairdocs.org/ad/2015-13-06) (historical): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Sep 1, 2015 - [AD 2014-07-01](https://openairdocs.org/ad/2014-07-01) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jun 3, 2014 - [AD 2013-22-11](https://openairdocs.org/ad/2013-22-11) (historical): Fuselage · Boeing 747-400 Series and 747-400D Series. Effective Dec 10, 2013 - [AD 2013-23-03](https://openairdocs.org/ad/2013-23-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 29, 2013 - [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 2013-14-05](https://openairdocs.org/ad/2013-14-05) (historical): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Aug 26, 2013 - [AD 2013-01-02](https://openairdocs.org/ad/2013-01-02) (historical): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Feb 22, 2013 - [AD 2012-24-10](https://openairdocs.org/ad/2012-24-10) (historical): Air Conditioning · Boeing 747-400 Series and 747-400F Series. Effective Jan 16, 2013 - [AD 2012-22-02](https://openairdocs.org/ad/2012-22-02) (historical): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Dec 26, 2012 - [AD 2012-15-13](https://openairdocs.org/ad/2012-15-13) (historical): Fuselage · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Sep 12, 2012 - [AD 2012-05-03](https://openairdocs.org/ad/2012-05-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 24, 2012 - [AD 2010-26-10](https://openairdocs.org/ad/2010-26-10) (historical): Fuselage · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Feb 1, 2011 - [AD 2010-20-08](https://openairdocs.org/ad/2010-20-08) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 9, 2010 - [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009 - [AD 2009-22-08](https://openairdocs.org/ad/2009-22-08) (historical): Control switches · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Dec 3, 2009 - [AD 2009-14-02](https://openairdocs.org/ad/2009-14-02) (historical): Vertical stabilizer seal and fuselage skin · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Aug 3, 2009 - [AD 2009-10-06](https://openairdocs.org/ad/2009-10-06) (historical): Air Transport Association (ATA) of America Code 27: Flight controls. · Boeing 747-400 Series and 747-400D Series. Effective Jun 9, 2009 - [AD 2009-06-02](https://openairdocs.org/ad/2009-06-02) (historical): Detect and correct cracks in the fuselage skin that can propagate and grow, resulting in a loss of structural integrity and a sudden decompression of the airplane during flight. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Apr 20, 2009 - [AD 2008-10-06](https://openairdocs.org/ad/2008-10-06) (historical): Fuel tank systems · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jun 12, 2008 - [AD 2008-08-25](https://openairdocs.org/ad/2008-08-25) (historical): Main equipment center · Boeing 747-400 Series and 747-400F Series. Effective May 27, 2008 - [AD 2007-23-18](https://openairdocs.org/ad/2007-23-18) (historical): Tension ties · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Nov 28, 2007 - [AD 2007-16-08](https://openairdocs.org/ad/2007-16-08) (historical): Cracking of the station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Sep 13, 2007 - [AD 2007-15-10](https://openairdocs.org/ad/2007-15-10) (historical): No. 2 and No. 3 windows · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 4, 2007 - [AD 2007-16-19](https://openairdocs.org/ad/2007-16-19) (historical): Aft tension tie channels at four station locations · Boeing 747-200B Series, 747-300 Series and 747-400 Series. Effective Aug 28, 2007 - [AD 2007-07-03](https://openairdocs.org/ad/2007-07-03) (historical): Trim air diffuser ducts or sidewall riser duct assemblies · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 2, 2007 - [AD 2006-22-15](https://openairdocs.org/ad/2006-22-15) (historical): Nose wheel well (NWW) · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Dec 11, 2006 - [AD 2006-18-17](https://openairdocs.org/ad/2006-18-17) (historical): Yaw damper actuator portion of the upper and lower rudder power control modules (PCMs) · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Oct 13, 2006 - [AD 2006-12-12](https://openairdocs.org/ad/2006-12-12) (historical): Station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Jul 17, 2006 - [AD 2006-12-10](https://openairdocs.org/ad/2006-12-10) (historical): Support bracket of the crew oxygen cylinder · Boeing 747-400 Series. Effective Jul 17, 2006 - [AD 2006-10-04](https://openairdocs.org/ad/2006-10-04) (historical): Left and right longeron extension fittings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 3 more. Effective Jun 16, 2006 - [AD 2006-09-06](https://openairdocs.org/ad/2006-09-06) (historical): Lower lobe fuselage frames · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 5 more. Effective Jun 7, 2006 - [AD 2006-06-11](https://openairdocs.org/ad/2006-06-11) (historical): Fasteners in the tension ties · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Apr 26, 2006 - [AD 2006-05-09](https://openairdocs.org/ad/2006-05-09) (historical): Lap joints of the fuselage skin · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 13, 2006 - [AD 2006-05-06](https://openairdocs.org/ad/2006-05-06) (historical): Body station (BS) 2598 bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 13, 2006 - [AD 2006-05-02](https://openairdocs.org/ad/2006-05-02) (historical): Fuselage internal structure · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 6, 2006 - [AD 2005-16-06](https://openairdocs.org/ad/2005-16-06) (historical): Escape slides/rafts. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 13, 2005 - [AD 2005-15-08](https://openairdocs.org/ad/2005-15-08) (historical): Fuselage stringers · Boeing 747-100B Series, 747-200B Series, 747-300 Series and 2 more. Effective Aug 30, 2005 - [AD 2005-01-09](https://openairdocs.org/ad/2005-01-09) (historical): Frame Web and Inner Chords on Forward Edge Frame of Number 5 Main Entry Door Cutout · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Feb 11, 2005 - [AD 2003-23-01](https://openairdocs.org/ad/2003-23-01) (historical): Yaw damper actuator · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Dec 18, 2003 - [AD 2003-19-08](https://openairdocs.org/ad/2003-19-08) (historical): Discrepancies of Forward and Aft Sides of Body Station 2598 Bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 27, 2003 - [AD 2003-20-08](https://openairdocs.org/ad/2003-20-08) (historical): Shoulder restraint harness · Boeing 747-100B Series, 747-200B Series, 747-200C Series and 8 more. Effective Oct 21, 2003 - [AD 2003-13-09](https://openairdocs.org/ad/2003-13-09) (historical): Horizontal stabilizer and rear spar structure · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 15, 2003 All 622: https://openairdocs.org/model/boeing-747-446/ads.md ## Information bulletins (advisory) (11) - [SAIB AIR-20-18](https://openairdocs.org/saib/AIR-20-18): Flight Management Computing Software System. Issued Nov 16, 2020 - [SAIB NM-20-07](https://openairdocs.org/saib/NM-20-07): Navigation - Glideslope System. Issued Apr 16, 2020 - [SAIB NM-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018 - [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017 - [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014 - [SAIB NM-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014 - [SAIB NM-12-40](https://openairdocs.org/saib/NM-12-40): External Power System Connector. Issued Aug 3, 2012 - [SAIB NM-09-27](https://openairdocs.org/saib/NM-09-27): Equipment/Furnishings: In-flight access to Class E cargo compartments. Issued May 12, 2009 - [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 NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006 - [SAIB ANM-99-29](https://openairdocs.org/saib/ANM-99-29): . Issued Jul 2, 1999 ## Registered aircraft (10) - [N344KD](https://openairdocs.org/aircraft/N344KD): [Atares Funding LLC](https://openairdocs.org/faa-owner/ATARES%20FUNDING%20LLC), [Miami Beach, FL](https://openairdocs.org/faa-place/FL/Miami%20Beach), built 1992, S/N 26344 - [N356KD](https://openairdocs.org/aircraft/N356KD): [Atares Funding LLC](https://openairdocs.org/faa-owner/ATARES%20FUNDING%20LLC), [Miami Beach, FL](https://openairdocs.org/faa-place/FL/Miami%20Beach), built 1994, S/N 26356 - [N464MC](https://openairdocs.org/aircraft/N464MC): [Atlas Air Inc](https://openairdocs.org/faa-owner/ATLAS%20AIR%20INC), [Purchase, NY](https://openairdocs.org/faa-place/NY/Purchase), built 1992, S/N 26341 - [N465MC](https://openairdocs.org/aircraft/N465MC): [Atlas Air Inc](https://openairdocs.org/faa-owner/ATLAS%20AIR%20INC), [Purchase, NY](https://openairdocs.org/faa-place/NY/Purchase), built 1990, S/N 24784 - [N742CK](https://openairdocs.org/aircraft/N742CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), S/N 24424 - [N743CK](https://openairdocs.org/aircraft/N743CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1993, S/N 26350 - [N744CK](https://openairdocs.org/aircraft/N744CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1993, S/N 26353 - [N745CK](https://openairdocs.org/aircraft/N745CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1998, S/N 26361 - [N747GF](https://openairdocs.org/aircraft/N747GF): [Ge Engine Leasing Holdings Inc](https://openairdocs.org/faa-owner/GE%20ENGINE%20LEASING%20HOLDINGS%20INC), [Cincinnati, OH](https://openairdocs.org/faa-place/OH/Cincinnati), built 1994, S/N 26355 - [N936CA](https://openairdocs.org/aircraft/N936CA): [Ac Spe 8 LLC](https://openairdocs.org/faa-owner/AC%20SPE%208%20LLC), [Orlando, FL](https://openairdocs.org/faa-place/FL/Orlando), built 1991, S/N 25308 ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports (7) 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 20260704009899I](https://openairdocs.org/incident/20260704009899I), Jul 4, 2026: Boeing 747-446 (N356KD), Anchorage, AK, No damage. The incident took place on July 5, 2026 approximately 0900 UTC, on [privacy data omitted] a B-747-446 freighter aircraft operated by western global airlines… - [Incident 20250929018169I](https://openairdocs.org/incident/20250929018169I), Sep 29, 2025: Boeing B744 (N745CK), Anchorage, AK, No damage. Anchorage, AK (anc): [privacy data omitted], B744, vhhh-anc, pilot Declared emergency due to mechanical issues, right Wing gear stuck up; lndd rwy 7R w/o inc;… - [Incident 20240819014579I](https://openairdocs.org/incident/20240819014579I), Aug 19, 2024: Boeing 747-446 (N742CK), Anchorage, AK, Minor damage. On 8/19/24, a 121 supplemental all cargo carrier ([privacy data omitted] a B747-446 aircraft, [privacy data omitted] was scheduled to depart Anchorage, Alaska… - [Incident 20210330001489I](https://openairdocs.org/incident/20210330001489I), Mar 30, 2021: Boeing 747-446 (N745CK), Hebron, KY, Minor damage. Aircraft N745CK on 3/30/2021 on landing in cvg rwy 18L Pilot flying was fo, pilot monitoring was captain ATIS wind 190 night, light rain. Winds at beginning of… - [Incident 20201220018589I](https://openairdocs.org/incident/20201220018589I), Dec 20, 2020: Boeing 747-446 (N356KD), Columbia, SC, Minor damage. During initial taxi out from cargo ramp in kcae [privacy data omitted] flight WGN2319, aircraft N356KD B747-400, sustained right wingtip damage from striking a… - [Incident 20180805010139I](https://openairdocs.org/incident/20180805010139I), Aug 5, 2018: Boeing 747-446 (N465MC), Bwi, MD, Minor damage. On 5 August 2018 N465MC was operating as GTI8643, a ferry flight from Baltimore, Maryland (Bwi) to houston, Texas (iah). There were 16 dead-heading Flight… - [Incident 20180108000542I](https://openairdocs.org/incident/20180108000542I), Jan 8, 2018: Boeing 747-446 (N465MC), Baltimore, MD, Minor damage. Atlas air (uiea) charter flight 8088, a B-747-400, registration number N465MC, operating a revenue flight from Baltimore Washington international airport,… ## Service difficulty reports (932, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 9WGA2026101234402](https://openairdocs.org/sdr/9WGA2026101234402), Oct 10, 2026: HMU. FAULTED. LOG PAGE 251714, ITEM 1, ENGINE #4 LOST THRUST IN CRUISE N1, 32% FUEL FLOW 0.3 ALL ENGINE INDICATIONS WERE NORMAL IN DESCENT AT LOW ENGINE POWER EICAS ENGINE FA - [SDR KCSA202610071224](https://openairdocs.org/sdr/KCSA202610071224), Oct 7, 2026: POWER SUPPLY. INOPERATIVE. L/H UPPER DECK SLIDE DOOR EMERGENCY LIGHT INOP - [SDR KCSA202610071223](https://openairdocs.org/sdr/KCSA202610071223), Oct 7, 2026: LIGHT. INOPERATIVE. CENTER AFT EMERGENCY LIGHT BY GALLEY IS INOP. - [SDR KCSA2026082348](https://openairdocs.org/sdr/KCSA2026082348), Aug 23, 2026: PCB. UNSERVICEABLE. FIRE WARNING BELL AND MASTER WARNING DURING CLIMB OUT. NO FIRE LIGHTS OR EICAS. REMOVED AND REPLACED 1AD04 CARGO FIRE AFT DIODE CIRCUIT CARD ASSY IAW KA AMM 26- - [SDR U2RA2026071400036](https://openairdocs.org/sdr/U2RA2026071400036), Jul 12, 2026: INDICATOR. NO DISCREPANCY. AIRSPEED UNRELIABLE. PERFORM OPS TEST IAW AIRCRAFT MAINTENANCE MANUAL 34-12-00. NO FAULTS NOTED. AIRCRAFT EXPERIENCED AN EQUIPMENT COOLING FAILURE PRIOR TO THE - [SDR KCSA202607021099](https://openairdocs.org/sdr/KCSA202607021099), Jul 2, 2026: FLOOR SUPPORT. CRACKED. MAIN DECK FLOOR SUPPORT LOWER CHORD AT STA 1220 RBL 98 IS CRACKED - [SDR KCSA202607021098](https://openairdocs.org/sdr/KCSA202607021098), Jul 2, 2026: POWER SUPPLY. NO TEST. EMERGENCY LIGHT OVER L1 FAILED LIGHT TEST - [SDR KCSA202607021097](https://openairdocs.org/sdr/KCSA202607021097), Jul 2, 2026: SHEAR WEB. CRACKED. MAIN DECK FLOOR STATION 140-160 LBL 40 SHEAR WEB CRACKED MULTIPLE LOCATIONS - [SDR KCSA202607021096](https://openairdocs.org/sdr/KCSA202607021096), Jul 2, 2026: SLIDE. UNWANTED DEPLOY. DURING TROUBLESHOOTING OF ARM/ DISARM HANDLE OF L/H UPPER DECK DOOR , THE EMERGENCY ESCAPE SLIDE WAS UNINTENTIONALLY DEPLOYED AND REQUIRES REPLACEMENT - [SDR KCSA202607021095](https://openairdocs.org/sdr/KCSA202607021095), Jul 2, 2026: SKIN. CORRODED. MAIN DECK CENTER FUEL TANK UPPER SKIN CORROSION STA 1050 LBL 80-100 - [SDR KCSA202607021094](https://openairdocs.org/sdr/KCSA202607021094), Jul 2, 2026: SKIN. CORRODED. EVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER SKIN AT STA 1150 RBL 110 - [SDR KCSA202607021093](https://openairdocs.org/sdr/KCSA202607021093), Jul 2, 2026: SKIN. CORRODED. EVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER FWD SKIN SECTION AT BS 1139, RBL 100. - [SDR KCSA202607021092](https://openairdocs.org/sdr/KCSA202607021092), Jul 2, 2026: SKIN. CORRODED. EVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER SKIN AT STA 1140 RBL 100 - [SDR KCSA202607021091](https://openairdocs.org/sdr/KCSA202607021091), Jul 2, 2026: SKIN. CORRODED. EVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER SKIN FWD OF TENSION FITTING AT STA 1180 RBL 98 - [SDR KCSA202607021090](https://openairdocs.org/sdr/KCSA202607021090), Jul 2, 2026: STIFFENER. DAMAGED. L/H WING T/E STIFFENER ON AFT SIDE OF AFT SPAR AT WBL 1150 DAMAGED. - [SDR KCSA202607021089](https://openairdocs.org/sdr/KCSA202607021089), Jul 2, 2026: FRAME. CRACKED. NOSE RADOME O/B RING ANGLE CRACKED AT APPROX 11 O'CLOCK POSITION - [SDR KCSA202607021088](https://openairdocs.org/sdr/KCSA202607021088), Jul 2, 2026: FLOOR SUPPORT. CRACKED. FLIGHT DECK R/H UPPER SILL OUTER CHORD CRACKED AT STA 315 JUST ABOVE R2 WINDOW - [SDR KCSA202607021087](https://openairdocs.org/sdr/KCSA202607021087), Jul 2, 2026: SHEAR WEB. CRACKED. MAIN DECK FLOOR BS 160-180 LBL 48, SHEAR WEB CRACKED. - [SDR KCSA202607021086](https://openairdocs.org/sdr/KCSA202607021086), Jul 2, 2026: SHEAR WEB. CRACKED. MAIN DECK FLOOR STA 140-160 RBL 40, SHEAR WEB CRACKED MULTIPLE LOCATIONS - [SDR KCSA202607021085](https://openairdocs.org/sdr/KCSA202607021085), Jul 2, 2026: ANGLE. CRACKED. MAIN DECK AT STA 2360 LBL 33 JUST BELOW FLOOR LEVEL ANGLE SUPPORT CRACKED. - [SDR KCSA202607021084](https://openairdocs.org/sdr/KCSA202607021084), Jul 2, 2026: ANGLE. CRACKED. MAIN DECK AT BS 2360, RBL 33 JUST BELOW FLOOR LEVEL ANGLE SUPPORT CRACKED. - [SDR KCSA202607021083](https://openairdocs.org/sdr/KCSA202607021083), Jul 2, 2026: DEPRESSOR. CRACKED. RT UPPER DECK DOOR FWD UPPER CORNER SEAL DEPOESSOR CRACKED - [SDR KCSA202607021082](https://openairdocs.org/sdr/KCSA202607021082), Jul 2, 2026: FLOORBEAM. CRACKED. CRACK FOUND ON MAIN DECK FLOORBEAM CLIP AT STA 280 LBL 6. - [SDR KCSA202607021081](https://openairdocs.org/sdr/KCSA202607021081), Jul 2, 2026: DEPRESSOR. CRACKED. LEFT UPPER DECK DOOR AFT UPPER CORNER SEAL DEPRESSOR CRACKED - [SDR KCSA202607021080](https://openairdocs.org/sdr/KCSA202607021080), Jul 2, 2026: SHEAR TIE. CRACKED. CRACK FOUND IN BS 1000 FRONT SPAR SHEAR TIE AT RBL 33.99 - [SDR U2RA2026061900030](https://openairdocs.org/sdr/U2RA2026061900030), Jun 10, 2026: SLIDE. DEPLOYED. LEFT UPPER DECK DOOR SLIDE DID NOT FULLY DEPLOY WHEN INADVERTANTLY ACTIVATED. REPLACED DOOR SLIDE ASSEMBLY PER AIRCRAFT MAINTENANCE MANUAL 25-68-01. - [SDR KCSA2026052229](https://openairdocs.org/sdr/KCSA2026052229), May 22, 2026: SWITCH. FAULTED. STAB TRIM 2, STAB TRIM 3, EMERGENCY DECLARED FOR STAB TRIM 2 & 3. REMOVED AND REPLACED CAPTAINS STAB MANUAL TRIM CTRL WHEEL SWITCH IAW AMM 27-41-11 AND WDM 27-4 - [SDR 9WGA2026052134401](https://openairdocs.org/sdr/9WGA2026052134401), May 21, 2026: BUSS PROTECTION. FAULTY. AFTER TAKE-OFF FROM NRT, INDICATION, AC BUS 1 FAIL, RETURNED TO NRT, MAINTENANCE PERFORMED PER FIM 24-23 TASK 812, REMOVED AND REPLACED BCU, TESTED EPGS (GCU1) - [SDR KCSA2026042123](https://openairdocs.org/sdr/KCSA2026042123), Apr 21, 2026: BATTERY PACK. DISCHARGED. 100320914: RIGHT SIDE UPPER DECK DOOR EMERGENCY OPENING SYS BATTERY PACK DEAD A/T: ITEM TRANSFERRED TO DMI #100320914 CAT C DUE 5/1/26 M PROCEDURE COMPLIED WITH - [SDR U2RA202603090001](https://openairdocs.org/sdr/U2RA202603090001), Mar 4, 2026: HYDRAULIC LINE. CRACKED. APPROXIMATELY 30 MINUTES AFTER TOP OF CLIMB, CRUSING AT FLIGHT LEVEL 34,000, EICAS MESSAGE "HYD QTY LOW 1" QUANTITY OBSERVED DECREASING REPIDLY ON HYD SYNOPTIC - [SDR U2RA2026022400031](https://openairdocs.org/sdr/U2RA2026022400031), Feb 19, 2026: WARNING MESSAGE. FALSE ACTIVATION. DURING TAXI, EICAS MESSAGE FIRE APU - APU FIRE BOTTLE DISCHARGED. - UPON INSPECTION, NO EVIDENCE OF FIRE. APU PLACED ON A DEFERRED MAINTENANCE ITEM PER MINIMUM - [SDR KCSA202604041028](https://openairdocs.org/sdr/KCSA202604041028), Feb 8, 2026: BATTERY PACK. NO TEST. RIGHT UPPER DECK ESCAPE DOOR BATTERY PACK FAIL PUSH TO TEST LIGHT DURING A/C START UP - [SDR KCSA202512051228](https://openairdocs.org/sdr/KCSA202512051228), Dec 5, 2025: BATTERY PACK. WEAK. CENTER EMERGENCY LIGHTS ON UPPER DECK DO NOT STAY ILLUMINATED. - [SDR KCSA2025102269](https://openairdocs.org/sdr/KCSA2025102269), Oct 22, 2025: DOOR. NO DISCREPANCY. DOOR U/D FLT LK. PERFORMED OPERATIONAL TEST IAW B747-400 AMM CHP 52-23-00. COULD NOT DUPLICATE SYS OPS CHECKS NORMAL. - [SDR 9WGA2025102134401](https://openairdocs.org/sdr/9WGA2025102134401), Oct 22, 2025: CIRCUIT CARD. DIRTY. CONTINOUS MASTER WARNING FIRE MAIN DECK FWD INFLIGHT, TROUBLESHOT PER FIM 26-16, TASK 864, CLEAN CIRCUIT CARD PER AMM 26-10-01, FIRE SYSTEM TEST, AMM 26-11-00, - [SDR KCSA2025101956](https://openairdocs.org/sdr/KCSA2025101956), Oct 19, 2025: LOCK. WARNING MESSAGE. DOOR UPPER DECK FLIGHT LOCK MESSAGE. BOTH DOORS FLIGHT LOCK ACTUATORS OPERATIONAL CHECKS NORMAL IAW B747-400 AMM 52-23-00. - [SDR KCSA2025101855](https://openairdocs.org/sdr/KCSA2025101855), Oct 18, 2025: LOCK. FAULTED. DOOR UPPER DECK FLIGHT LOCK. PERFORMED BOTH SIDE FLIGHT LOCK ACTUATOR OPERATIONS CHECK. ALL WORKING GOOD AND BOTH SIDE SWITCH ARE WORKING GOOD. NO FAULT FOUND I - [SDR KCSA2025101252](https://openairdocs.org/sdr/KCSA2025101252), Oct 12, 2025: LOCK. INOPERATIVE. DOOR UPPER DECK FLIGHT LOCK. TROUBLESHOT PER FIM 52-71 TASK 823. PERFORMED OPERATIONS TEST IAW AMM 52-23-00. ALL CHECKS GOOD AT THIS TIME. - [SDR U2RA2025110300024](https://openairdocs.org/sdr/U2RA2025110300024), Oct 9, 2025: SKIN. DAMAGED. AIRCRAFT SUSTAINED GROUND DAMAGE TO THE LOWER FUSELAGE SKIN, FORWARD OF THE FORWARD LOWER CARGO DOOR, STA 539.125, BETWEEN STRINGERS S-33R AND S-34R, MEASURING - [SDR KCSA20251003950](https://openairdocs.org/sdr/KCSA20251003950), Sep 29, 2025: ACTUATOR. FAILED. 100272867: RIGHT WING GEAR FAILED TO EXTEND WITH ALTERNATE GEAR EXTENSION, DECLARED EMERGENCY. REMOVED AND REPLACED WING GEAR ALTERNATE ELECTRIC ACTUATOR. OPERA - [SDR KCSA2025100192950](https://openairdocs.org/sdr/KCSA2025100192950), Sep 29, 2025: LANDING GEAR. NO DEPLOY. RIGHT WING GEAR FAILED TO EXTEND WITH ALTERNATE GEAR EXTENSION, DECLARED EMERGENCY. - [SDR KCSA2025092549](https://openairdocs.org/sdr/KCSA2025092549), Sep 25, 2025: ACTUATOR. UNSERVICEABLE. DOOR UPPER DECK FLIGHT LOCK CAUTION MESSAGE. TRANSFERRED TO DMI LIST NUMBER 100272910 IAW KA B747-400 MEL 52-23-3-2. CAT C. DUE 10-5-25. PLACARDS INSTALLED. : R - [SDR KCSA2025092548](https://openairdocs.org/sdr/KCSA2025092548), Sep 25, 2025: WARNING LIGHT. FALSE ACTIVATION. DOOR UPPER DECK FLIGHT LOCK CAUTION MESSAGE. PERFORMED FLIGHT LOCK ACTUATOR OPS TEST IAW AMM 52-23-00. OPS TESTED GOOD. NO DEFECTS NOTED. - [SDR KCSA2025092547](https://openairdocs.org/sdr/KCSA2025092547), Sep 25, 2025: WARNING MESSAGE. FALSE ACTIVATION. DOOR UPPER DECK FLIGHT LOCK CAUTION MESSAGE. PERFORMED FLIGHT LOCK ACTUATOR OPERATIONAL TEST IAW AMM 52-23-00. OPERATIONAL TEST GOOD. NO DEFECTS NOTED. - [SDR KCSA202509171161](https://openairdocs.org/sdr/KCSA202509171161), Sep 17, 2025: STIFFENER. CRACKED. AILERON CAVITY I/B STRUCTURE 20 IN. FWD OF HINGE POINT VERTICAL STIFFENER CRACKED AT LOWER EDGE - [SDR KCSA202509161160](https://openairdocs.org/sdr/KCSA202509161160), Sep 16, 2025: BULKHEAD. CRACKED. 1 FASTENER HOLE NOTED ON LOWER R/H STA 2598 BULKHEAD AFT INNER CHORD HAS CRACK INDICATION - [SDR KCSA202509161159](https://openairdocs.org/sdr/KCSA202509161159), Sep 16, 2025: BEAM. CORRODED. LH WING TE FIXED TRAILING EDGE BEAM UPPER CHORD @ APPROX WBL 340 CORRODED - [SDR KCSA202509161158](https://openairdocs.org/sdr/KCSA202509161158), Sep 16, 2025: TENSION TIE. CRACKED. FOUND CRACK INDICATION IN FRAME AT TENSION TIE STA 1140 L/H - [SDR KCSA202509131157](https://openairdocs.org/sdr/KCSA202509131157), Sep 13, 2025: REVEAL. CRACKED. FOUND DOOR REVEAL TO BE CRACKED AS MARKED AT R2 DOOR BETWEEN STR 25 AND 24 - [SDR KCSA202509121156](https://openairdocs.org/sdr/KCSA202509121156), Sep 12, 2025: REVEAL. CRACKED. CRACK FOUND IN L-5 DOOR REVEAL AT PRESS TO RELEASE LEVER NEAR STA 2231 All 932: https://openairdocs.org/model/boeing-747-446/reports.md ## STCs that may be installed (OpenAirDocs) (699, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center - [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems - [STC ST02166SE](https://openairdocs.org/stc/ST02166SE): Installation of additional bunks in the Door 5 Overhead Crew Rest on Boeing Model 747-400 series aircraft. B/E Aerospace, Inc. - FSI - [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc - [STC ST00437AT](https://openairdocs.org/stc/ST00437AT): Installation of Collins SAT-906 SATCOM System with Canadian- Marconi CMA-2102 Antenna System and Ball Airlink Low Gain Antenna. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST00552AT](https://openairdocs.org/stc/ST00552AT): Installation of a Collins SATCOM update from 900 SDU to 906 SDU. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST01859AT-D](https://openairdocs.org/stc/ST01859AT-D): Installation of a Collins CPL-920D H.F. Antenna coupler in a provisioned aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST01959AT-D](https://openairdocs.org/stc/ST01959AT-D): Installation of Ball Aerospace Camera entertainment system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST02621AT-D](https://openairdocs.org/stc/ST02621AT-D): Installation In-flight Entertainment System provisions. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST03091AT-D](https://openairdocs.org/stc/ST03091AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST03092AT-D](https://openairdocs.org/stc/ST03092AT-D): Interior modification. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST03143AT-D](https://openairdocs.org/stc/ST03143AT-D): Installation of a Rockwell Collins AERO H+ SATCOM System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST03419AT](https://openairdocs.org/stc/ST03419AT): Rockwell Collins SATCOM High Speed Transmitter Installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST03504AT-D](https://openairdocs.org/stc/ST03504AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST03556AT-D](https://openairdocs.org/stc/ST03556AT-D): Installation and Reactivation of a SATCOM System (Honeywell) and an ACARS System Upgrade (Rockwell Collins). AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST03821AT-D](https://openairdocs.org/stc/ST03821AT-D): Installation of a Panasonic eX2 In-Flight Entertainment System in a Boeing 747-400 aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST04378AT](https://openairdocs.org/stc/ST04378AT): VIP Cabin IFE / Communication systems upgrades. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST04379AT](https://openairdocs.org/stc/ST04379AT): Installation of Gogo 2Ku WiFi System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC - [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems - [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 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 ST02927NY](https://openairdocs.org/stc/ST02927NY): Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna. Delta Engineering Corporation - [STC ST03047CH](https://openairdocs.org/stc/ST03047CH): Certification of Compatibility with Cellular and Wireless Data Technologies. Delta Engineering Corporation - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC SA3943NM](https://openairdocs.org/stc/SA3943NM): Installation of C&D interiors outboard bins and sidewall panels, stowage unit, class divider, super bin kit. Safran Cabin Inc - [STC SA5799NM](https://openairdocs.org/stc/SA5799NM): Installation of a modular lavatory retrofit kit. Safran Cabin Inc - [STC ST00484SE](https://openairdocs.org/stc/ST00484SE): Installation of interior retrofit kit. Safran Cabin Inc - [STC ST00661SE](https://openairdocs.org/stc/ST00661SE): Installation of upper deck closets. Safran Cabin Inc - [STC ST00734SE](https://openairdocs.org/stc/ST00734SE): Installation of interior retrofit kit. Safran Cabin Inc - [STC ST00773SE](https://openairdocs.org/stc/ST00773SE): Installation of Upper Deck Overhead Stowage Bin Interior Retrofit. Safran Cabin Inc - [STC ST00776SE](https://openairdocs.org/stc/ST00776SE): Installation of interior kits. Safran Cabin Inc - [STC ST00799LA](https://openairdocs.org/stc/ST00799LA): Installation of a folding cart stowage unit and modifications. Safran Cabin Inc - [STC ST00835SE](https://openairdocs.org/stc/ST00835SE): Installation of interior components. Safran Cabin Inc - [STC ST00836SE](https://openairdocs.org/stc/ST00836SE): Installation of interior components and in-flight entertainment system. Safran Cabin Inc - [STC ST00942SE](https://openairdocs.org/stc/ST00942SE): Installation of Airshow 420 News and Weather Information System kit. Safran Cabin Inc - [STC ST01061SE](https://openairdocs.org/stc/ST01061SE): Installation of Airshow 420 News and Weather Information System. Safran Cabin Inc - [STC ST01152SE](https://openairdocs.org/stc/ST01152SE): Installation Interior Components. Safran Cabin Inc - [STC ST01315LA](https://openairdocs.org/stc/ST01315LA): Installation of a forward facing flight attendant seat. Safran Cabin Inc - [STC ST01503SE](https://openairdocs.org/stc/ST01503SE): Installation of Interior components. Safran Cabin Inc - [STC ST01507SE](https://openairdocs.org/stc/ST01507SE): Installation of interior components. Safran Cabin Inc - [STC ST01523SE](https://openairdocs.org/stc/ST01523SE): Installation of interior components. Safran Cabin Inc - [STC ST01532SE](https://openairdocs.org/stc/ST01532SE): Installation of interior components. Safran Cabin Inc - [STC ST01533SE](https://openairdocs.org/stc/ST01533SE): Installation of interior components. Safran Cabin Inc - [STC ST01554SE](https://openairdocs.org/stc/ST01554SE): Installation of interior components. Safran Cabin Inc - [STC ST01622SE](https://openairdocs.org/stc/ST01622SE): Installation of interior components. Safran Cabin Inc - [STC ST01780SE](https://openairdocs.org/stc/ST01780SE): Installation of interior components. Safran Cabin Inc - [STC ST01880LA](https://openairdocs.org/stc/ST01880LA): Installation of pantry. Safran Cabin Inc - [STC ST01986NY-D](https://openairdocs.org/stc/ST01986NY-D): Update of Panasonic Avionics Corporation System 3000 passenger entertainment system. Safran Cabin Inc All 699: https://openairdocs.org/model/boeing-747-446/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Boeing 747-422](https://openairdocs.org/model/boeing-747-422): 8 registered aircraft, registry code 1384935 - [Boeing 747-412](https://openairdocs.org/model/boeing-747-412): 5 registered aircraft, registry code 13848BS - [Boeing 747-409](https://openairdocs.org/model/boeing-747-409): 4 registered aircraft, registry code 13848AU - [Boeing 747-481](https://openairdocs.org/model/boeing-747-481): 3 registered aircraft, registry code 13848ZZ - [Boeing 747-443](https://openairdocs.org/model/boeing-747-443): 2 registered aircraft, registry code 13848BU - [Boeing 747-438](https://openairdocs.org/model/boeing-747-438): 2 registered aircraft, registry code 13848CA - [Boeing 747-428](https://openairdocs.org/model/boeing-747-428): 2 registered aircraft, registry code 138493A - [Boeing 747-400](https://openairdocs.org/model/boeing-747-400): 1 registered aircraft, registry code 13848AT - [Boeing 747-451](https://openairdocs.org/model/boeing-747-451): 1 registered aircraft, registry code 1384940 - [Boeing 747-469](https://openairdocs.org/model/boeing-747-469): 0 registered aircraft, registry code 1384801 - [Boeing 747-444](https://openairdocs.org/model/boeing-747-444): 0 registered aircraft, registry code 13848BC - [Boeing 747-468](https://openairdocs.org/model/boeing-747-468): 0 registered aircraft, registry code 13848BD --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.