# N454PC: Boeing 707-321B

- Status: Valid registration
- Airframe: [Boeing 707-321B](https://openairdocs.org/model/boeing-707-321b) (registry code 138366B, 192 seats)
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26) (The Boeing Company) (OpenAirDocs)
- Serial number: 18839
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Certificate issued: August 1, 2018
- Expires: August 31, 2028
- Mode S code: A58240
- Registered owner: [Omega Air Inc](https://openairdocs.org/faa-owner/OMEGA%20AIR%20INC)
- Location: [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio)
- Owner type: Corporation
- Owner's area on the map: 29.5553° N, 98.3640° W: Placed by OpenAirDocs at the center of ZIP code 78233, 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=454PC
- Page: https://openairdocs.org/aircraft/N454PC

From the FAA registry file of October 22, 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): 188 in force

### Matched by airframe (Boeing 707-321B)

- [AD 2026-13-15](https://openairdocs.org/ad/2026-13-15): Navigation · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 74 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 2023-12-15](https://openairdocs.org/ad/2023-12-15): Navigation · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 74 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 2022-25-01](https://openairdocs.org/ad/2022-25-01): Wings · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 11 more. Effective Feb 16, 2023
- [AD 2020-03-11](https://openairdocs.org/ad/2020-03-11): Fuel · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Mar 18, 2020
- [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 2018-19-32](https://openairdocs.org/ad/2018-19-32): Nacelles/pylons · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Nov 2, 2018
- [AD 2018-19-21](https://openairdocs.org/ad/2018-19-21): Fuel · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Nov 1, 2018
- [AD 2017-18-20](https://openairdocs.org/ad/2017-18-20): Doors · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 5 more. Effective Nov 9, 2017
- [AD 2017-09-04](https://openairdocs.org/ad/2017-09-04): Fuselage · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Jun 8, 2017
- [AD 2016-19-16](https://openairdocs.org/ad/2016-19-16): Doors · Boeing 707-300 Series, 707-300B Series, 707-300C Series and 3 more. Effective Jan 9, 2017
- [AD 2016-08-11](https://openairdocs.org/ad/2016-08-11): Stabilizers · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective May 27, 2016
- [AD 2015-11-04](https://openairdocs.org/ad/2015-11-04): Nacelles/Pylons · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Jul 6, 2015
- [AD 2014-16-09](https://openairdocs.org/ad/2014-16-09): Oxygen · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 16 more. Effective Sep 23, 2014
- [AD 2014-13-11](https://openairdocs.org/ad/2014-13-11): Fuselage · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Aug 19, 2014
- [AD 2013-24-07](https://openairdocs.org/ad/2013-24-07): Fuel · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Jan 7, 2014
- [AD 2013-03-19](https://openairdocs.org/ad/2013-03-19): Electrical Power · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Mar 21, 2013
- [AD 2012-16-12](https://openairdocs.org/ad/2012-16-12): Nacelles/Pylons · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Sep 21, 2012
- [AD 2011-12-01](https://openairdocs.org/ad/2011-12-01): Equipment/Furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 268 more. Effective Aug 1, 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 2009-21-10 R1](https://openairdocs.org/ad/2009-21-10-R1): Oxygen · Airbus A300 B4-605R, A300 B4-620, A300 B4-622 and 138 more. Effective Feb 4, 2010
- [AD 2008-04-11 R1](https://openairdocs.org/ad/2008-04-11-R1): Fuel tank systems · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Jan 12, 2010
- [AD 2009-18-10](https://openairdocs.org/ad/2009-18-10): Wings · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Oct 14, 2009
- [AD 2009-15-06](https://openairdocs.org/ad/2009-15-06): Fuel System · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Aug 25, 2009
- [AD 2008-12-03](https://openairdocs.org/ad/2008-12-03): Auxiliary fuel tanks · Airbus BAC 1-11 400 Series, 707-100 Long Body, 707-100B Long Body and 15 more. Effective Jul 9, 2008
- [AD 2008-04-06](https://openairdocs.org/ad/2008-04-06): Left side and right side flight deck · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Mar 28, 2008
- [AD 2007-23-12](https://openairdocs.org/ad/2007-23-12): Fuel quantity indication system (FQIS) · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Dec 18, 2007
- [AD 2007-21-15](https://openairdocs.org/ad/2007-21-15): Elevator hinge support fittings · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Nov 20, 2007
- [AD 2006-26-13](https://openairdocs.org/ad/2006-26-13): Attachment of the shoulder restraint harness · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 23 more. Effective Feb 12, 2007
- [AD 2005-20-02](https://openairdocs.org/ad/2005-20-02): Airplane flight manual (AFM) · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Nov 1, 2005
- [AD 2005-14-06](https://openairdocs.org/ad/2005-14-06): Inboard leading edge slats · Boeing 707-300B Series, 707-300C Series and 707-400 Series. Effective Aug 16, 2005
- [AD 2005-08-15](https://openairdocs.org/ad/2005-08-15): Outboard engine nacelle · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective May 31, 2005
- [AD 2005-04-01](https://openairdocs.org/ad/2005-04-01): Overwing Fuel Fill Ports · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 23 more. Effective Mar 23, 2005
- [AD 2004-25-09](https://openairdocs.org/ad/2004-25-09): Main landing gear (MLG) trunnion · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Jan 13, 2005
- [AD 2004-22-24](https://openairdocs.org/ad/2004-22-24): High frequency eddy current (HFEC) inspections for corrosion and cracking · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Dec 14, 2004
- [AD 2004-20-02](https://openairdocs.org/ad/2004-20-02): Wing fillet flap support link · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Nov 4, 2004
- [AD 2004-07-06](https://openairdocs.org/ad/2004-07-06): Aft trunnion support fitting of each main landing gear · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective May 11, 2004
- [AD 2004-05-14](https://openairdocs.org/ad/2004-05-14): Wing front spar upper chord · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Apr 14, 2004
- [AD 2003-03-15 R1](https://openairdocs.org/ad/2003-03-15-R1): Airplane Flight Manual (AFM) - oxygen masks · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 90 more. Effective Dec 22, 2003
- [AD 2002-22-12](https://openairdocs.org/ad/2002-22-12): Titeflex hoses · BAE Systems ATP, Avro 146-RJ100A, Avro 146-RJ70A and 122 more. Effective Dec 13, 2002
- [AD 2002-02-02](https://openairdocs.org/ad/2002-02-02): Support Structure for the Main Landing Gear (MLG) Uplock Mechanism · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Mar 11, 2002
- [AD 2001-03-13](https://openairdocs.org/ad/2001-03-13): Wing - Upper Skin Cracking · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 5 more. Effective Mar 22, 2001
- [AD 2000-24-20](https://openairdocs.org/ad/2000-24-20): Lower Skin Wings · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Jan 8, 2001
- [AD 2000-24-06](https://openairdocs.org/ad/2000-24-06): Main Cargo Door Skin and Frame · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Jan 8, 2001
- [AD 99-23-22 R2](https://openairdocs.org/ad/99-23-22-R2): Transponders · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 74 more. Effective Apr 20, 2000
- [AD 99-04-10](https://openairdocs.org/ad/99-04-10): Fluorescent Light Ballasts · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 49 more. Effective Mar 18, 1999
- [AD 97-04-04](https://openairdocs.org/ad/97-04-04): Auxiliary Power Units · Airbus BAC 1-11 200 Series, BAC 1-11 400 Series, Auxiliary Power Units and 54 more. Effective Mar 24, 1997
- [AD 96-25-12](https://openairdocs.org/ad/96-25-12): Auxiliary Power Units · BAE Systems HS 748 Series 2A, HS 748 Series 2B, 707-100 Long Body and 74 more. Effective Jan 13, 1997
- [AD 95-17-01](https://openairdocs.org/ad/95-17-01): Upper Center Section Cracks · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Sep 13, 1995

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

- [AD 2022-09-18](https://openairdocs.org/ad/2022-09-18) (historical): Navigation · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 72 more. Effective May 23, 2022
- [AD 2012-17-13](https://openairdocs.org/ad/2012-17-13) (historical): Stabilizers · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Oct 16, 2012
- [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 2008-17-10](https://openairdocs.org/ad/2008-17-10) (historical): Elevator rear spar · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Oct 2, 2008
- [AD 2008-04-11](https://openairdocs.org/ad/2008-04-11) (historical): Fuel tank systems · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Mar 28, 2008
- [AD 2001-17-20](https://openairdocs.org/ad/2001-17-20) (historical): Wiring for the Fuel Boost and Override Pumps · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more. Effective Oct 1, 2001
- [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

All 195: https://openairdocs.org/aircraft/N454PC/ads.md

## Information bulletins (advisory) (5 in force)

- [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019
- [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-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

## NTSB investigations

None matched to N454PC.

## FAA accident and incident reports (2)

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 19880709039959I](https://openairdocs.org/incident/19880709039959I), Jul 9, 1988: Boeing 707321B (N454PC), Salt Lake City, UT. Pressurization problem on climb. Cabin heated up. Oxygen masks extended. Returned. Crew mismanaged oxygen system.
- [Incident 19851110068381I](https://openairdocs.org/incident/19851110068381I), Nov 10, 1985: Boeing 707321B (N454PC), Denver, CO, Minor damage. During turn while taxiing left wing tip contacted uala reverser door and tailpipe. Snow covered centerline marking.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (242, 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 (Boeing 707-321B)

- [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 ST02612AT-D](https://openairdocs.org/stc/ST02612AT-D): Installation of an Interior Reconfiguration Cabin Conversion. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 707-300 Series
- [STC SA7497SW](https://openairdocs.org/stc/SA7497SW): Installation of dual Honeywell/Sperry EDZ-805 (5) tube flight instrument system (EFIS), dual Sperry FZ-500 flight directors, dual AZ-800 air data systems, dual FMZ-800 flight management systems and triple Honeywell laseref inertial reference system. Omega Air Inc. Lists 707-300 Series
- [STC ST00888LA](https://openairdocs.org/stc/ST00888LA): Installation of airplane modifications. Omega Air Inc
- [STC ST04222AT](https://openairdocs.org/stc/ST04222AT): Installation of a Fuel System Modification. Omega Air Inc. Lists 707-300 Series
- [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 SA2579WE](https://openairdocs.org/stc/SA2579WE): Modify installation of wing tip mounted emblem light. The Boeing Company. Lists 707-300 Series
- [STC SA2594WE](https://openairdocs.org/stc/SA2594WE): Modify the installation of wing tip mounted emblem light. The Boeing Company
- [STC SA817NW](https://openairdocs.org/stc/SA817NW): Installation of Mark I interior modification kit. Safran Cabin Inc
- [STC SA3927NM](https://openairdocs.org/stc/SA3927NM): Installation of floor proximity emergency escape path marking system. Bruce Aerospace Inc
- [STC ST01186SE](https://openairdocs.org/stc/ST01186SE): Group Reduced Vertical Separation Minimum (RVSM) airworthiness approval. AeroMech Incorporated
- [STC ST02580AT](https://openairdocs.org/stc/ST02580AT): Lithium cell battery pack to replace currently approved alkaline battery pack used in escape slide emergency light system. Astronics Luminescent Systems Inc
- [STC ST02929AT](https://openairdocs.org/stc/ST02929AT): Installation of an Artex Model C406-1 Emergency Locator Transmitter (ELT). Woven Electronics LLC. Lists 707-300 Series
- [STC SA808EA](https://openairdocs.org/stc/SA808EA): Installation of inflight motion picture system. Approved for models 720-047B, 707-347C, 707-351C (serial numbers 19773 and 19774 only). Burrana Inc. Lists 707-300 Series
- [STC SA2610WE](https://openairdocs.org/stc/SA2610WE): Installation of Bell & Howell movie projection system Nos. 478441 and478440. Burrana Inc
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT): Installation of a Talon Aerospace LED Replacement General Purpose Lamps. Aaxico Technical Services Inc
- [STC SA1-593](https://openairdocs.org/stc/SA1-593): Inflight Motion Picture Pallet Assembly. Burrana Inc. Lists 707-300 Series
- [STC SA1442WE](https://openairdocs.org/stc/SA1442WE): Installation of an inflight motion picture projection system. (707-331). Burrana Inc. Lists 707-300 Series
- [STC ST09019SC](https://openairdocs.org/stc/ST09019SC): Installation of a C & X band fuselage nose radome shell. The NORDAM Group LLC
- [STC ST04229NY](https://openairdocs.org/stc/ST04229NY): Introduction of a 16G New Generation Stretcher XL P/N 1120030-Series. Bucher Leichtbau AG
- [STC SA3486WE](https://openairdocs.org/stc/SA3486WE): Installation of dual Litton LTN-51, or dual Litton LTN-72, or one Litton LTN-51 and one Litton LTN-72 Inertial Navigation Systems. Northrop Grumman Systems Corporation
- [STC SA3539WE](https://openairdocs.org/stc/SA3539WE): Installation of single, palletized Litton LTN-51 or LTN-72 Inertial Navigation System (707-320C Series). Northrop Grumman Systems Corporation
- [STC ST00115LA](https://openairdocs.org/stc/ST00115LA): Installation of Triple LTN-92 inertial navigation systems and dual LTN-2001 gloal positioning sensors. Northrop Grumman Systems Corporation. Lists 707-300 Series
- [STC SA7076NM](https://openairdocs.org/stc/SA7076NM): Installation of Stretcher Carrier. Air Medic LLC. Lists 707-300 Series
- [STC ST01329AT](https://openairdocs.org/stc/ST01329AT): Installation of AlliedSignal RDR-4B Forward-Looking Windshear/Radar System. B/E Aerospace Inc
- [STC ST01330AT](https://openairdocs.org/stc/ST01330AT): Installation of 11 Channel Digital Flight Data Recorder. B/E Aerospace Inc. Lists 707-300 Series
- [STC ST09227SC](https://openairdocs.org/stc/ST09227SC): Installation of structural provisions for a CMA-2102 High Gain Satellite Communications System antenna. LB Aircraft Engineering Inc. Lists 707-300 Series
- [STC ST09234SC](https://openairdocs.org/stc/ST09234SC): Installation of dual Universal UNS-1C Flight Management System with Global Positioning, dual Honeywell Attitude Heading Reference System and dual Collins DME-42 Distance Measuring Equipment. LB Aircraft Engineering Inc. Lists 707-300 Series
- [STC ST09446SC](https://openairdocs.org/stc/ST09446SC): Installation of a Collins SAT-906 Satellite Communications System with a top mounted Canadian Marconi CMA-2102 Antenna. LB Aircraft Engineering Inc. Lists 707-300 Series
- [STC SA3838NM](https://openairdocs.org/stc/SA3838NM): Installation of a Forward Coat Closet. Aim Aerospace Inc. Lists 707-300 Series
- [STC SA3839NM](https://openairdocs.org/stc/SA3839NM): Installation of 'Stow-All VII' Interior. AIM Aviation Inc. Lists 707-300 Series
- [STC ST01202WI-D](https://openairdocs.org/stc/ST01202WI-D): Modification of an existing FAA approved Collins TPR-720, TPR-900 or TPR-901 Mode S transponder installation in Part 25 Aircraft using Collins Drawing Index as listed on AML No. ST01202WI-D, latest FAA approved revision. Rockwell Collins Inc
- [STC ST00702LA](https://openairdocs.org/stc/ST00702LA): Installation of noise reduction nacelles. Quiet Skies Inc
- [STC ST00673WI-D](https://openairdocs.org/stc/ST00673WI-D): Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System installation. Rockwell Collins Inc
- [STC ST00682WI-D](https://openairdocs.org/stc/ST00682WI-D): Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. ST00682WI-D, Revision -, or later FAA approved revisions. Rockwell Collins Inc
- [STC SA63NE](https://openairdocs.org/stc/SA63NE): Installation of dual Litton LTN211 omega navigation systems. Wiggins Airways
- [STC SA3638SW](https://openairdocs.org/stc/SA3638SW): Installation of a single Sperry Primus 90 weather Radar. Texas Aviation Services. Lists 707-300 Series
- [STC ST02540AT-D](https://openairdocs.org/stc/ST02540AT-D): Installation of replacement fuel tank sealant system. FFC Manufacturing
- [STC ST01256WI-D](https://openairdocs.org/stc/ST01256WI-D): Modification of a Collins TPR-720, TPR-900 or TPR-901 Mode S Transponder System installation with an ATC/TCAS Control Panel to an Elementary Surveillance Compliant Collins TPR-901 Mode S Transponder System installation with a Flight ID/ATC/TCAS Control Panel in accordance with Collins Drawing Index as listed on AML No. ST01256WI-D, Revision -, or later FAA approved revision. Rockwell Collins Inc
- [STC ST01328AT](https://openairdocs.org/stc/ST01328AT): Installation of Collins TCAS II. Avitas Engineering
- [STC SA2435SO](https://openairdocs.org/stc/SA2435SO): Installation of a Dual Collins ADS-80 Air Data System. Page AvJet Corp. Lists 707-300 Series
- [STC SA2436SO](https://openairdocs.org/stc/SA2436SO): Installation of the Collins EFIS86B (12) 5-tube System with dual FGS-80 Flight Guidance System. Page AvJet Corp. Lists 707-300 Series
- [STC SA2437SO](https://openairdocs.org/stc/SA2437SO): Installation of a Third Bendix Vertical Gyro. Page AvJet Corp. Lists 707-300 Series
- [STC SA2439SO](https://openairdocs.org/stc/SA2439SO): Installation of a Flow Multiplier System on an Air Cycle Machine Air Conditioning System equipped aircraft. Page AvJet Corp. Lists 707-300 Series
- [STC SA2440SO](https://openairdocs.org/stc/SA2440SO): Installation of a Smoke Detector System in a Class B cargo. Page AvJet Corp. Lists 707-300 Series
- [STC SA2441SO](https://openairdocs.org/stc/SA2441SO): Installation of a Dual Universal Navigation Model UNS-1A Flight Management System with Omega. Page AvJet Corp. Lists 707-300 Series
- [STC SA2689SO](https://openairdocs.org/stc/SA2689SO): Installation of a Dual Litton LTN-72RL Inertial Navigation System. Page AvJet Corp. Lists 707-300 Series
- [STC SA1076NE](https://openairdocs.org/stc/SA1076NE): Installation of Aerofex livestock carrier P/N TS-QA-400 platform and panel system using size A or size M Class II pallet. Equine Air Transport Systems LLC
- [STC SA2460SO](https://openairdocs.org/stc/SA2460SO): Installation of Garrett Model GTCP85-98CK APU. Airweld Inc
- [STC SA3549WE](https://openairdocs.org/stc/SA3549WE): Installation of Garrett GTCP85-98CK Auxiliary Power Unit in the aft end of the forward baggage compartment. Airweld Inc

All 242: https://openairdocs.org/aircraft/N454PC/stcs.md

## Related

- Other Boeing 707-321B aircraft: https://openairdocs.org/model/boeing-707-321b/aircraft.md

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