The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 22

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1246GL	Status: Current	App Date: 10/07/1987	Rev Date: 02/12/1990
Description: Install a 'tail cone missing' visual advisory system.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32, DC-9-32F, DC-9-33F, DC-9-34, DC-9-34F, DC-9-51, DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1246GL	Status: Historical	App Date: 10/07/1987	Rev Date: 10/21/1987
Description: Install a 'tail cone missing' visual advisory system.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32, DC-9-32F, DC-9-33F, DC-9-34, DC-9-34F, DC-9-51, DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 1885 University Ave S., St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-258	Status: Current	App Date: 05/26/1958	Rev Date: 06/03/1958
Description: C-O-Two visual smoke detector, Type A1-V, P/N 74800.
TC Nos.: A-762
Models: McDonnell Douglas CorporationDC-4 The Boeing CompanyC54A-DC, C54B-DC
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 1885 University Ave S., St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-596	Status: Current	App Date: 10/04/1960	Rev Date: 12/08/1960
Description: Waste-King 5424-200 Flight Recorder Systems
TC Nos.: 4A22
Models: Lockheed Aircraft Corporation188A, 188C
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 1885 University Ave S., St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-603	Status: Current	App Date: 11/01/1960	Rev Date: 12/29/1960
Description: Installation of removable, track mounted cargo bin
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-666	Status: Current	App Date: 06/02/1961	Rev Date: 11/01/1962
Description: Reduction of the rated cargo capacity of the cargo bin from 2420 to 2050 pounds. (Installs a removable, track mounted movable cargo bin)
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-666	Status: Historical	App Date: 06/02/1961	Rev Date: 06/30/1961
Description: Installs a removable, track mounted movable cargo bin
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA372GL	Status: Current	App Date: 09/24/1979	Rev Date: 10/26/1979
Description: Installation of Honeywell P/N HG280BD80 digital airdata computer in the number three position per NWA project 1-34-40300 in place of the Honeywell P/N HG280D5 presently used in this position for data collection purposes only.
TC Nos.: A22WE
Models: McDonnell Douglas CorporationDC-10-40
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 2700 Lone Oak Parkway, Eagan, MN 55124		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1042	Status: Current	App Date: 01/20/1960	Rev Date: 11/14/1986
Description: Passenger seating capacity increased to 44.
TC Nos.: 1A7
Models: Martin-Marietta Corporation404
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 2700 Lone Oak Parkway, Eagan, MN 55124		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-389	Status: Current	App Date: 10/31/1957	Rev Date: 11/14/1986
Description: Installation of cabin emergency lighting.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3C Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. Minneapolis-St. Paul intl. Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA608CE	Status: Current	App Date: 06/09/1967	Rev Date: 11/25/1968
Description: Installation of Honeywell Maximum Safety Light System
TC Nos.: A3WE
Models: The Boeing Company727-100 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 2700 Lone Oak Parkway, Eagan, MN 55124		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA663SW	Status: Current	App Date: 05/17/1963	Rev Date: 11/14/1986
Description: Installation of Bendix brushless A.C. generator and voltage regulator as a replacement to the Westinghouse deicing generator and voltage regulator
TC Nos.: 7A1
Models: Maryland Air Industries Inc.F-27A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA819GL	Status: Current	App Date: 05/07/1984	Rev Date: 01/13/1992
Description: Installation of Tracor 7800 Omego/ VLF navigation system. (727-2S7)
TC Nos.: A3WE
Models: The Boeing Company727-200 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA819GL	Status: Historical	App Date: 05/07/1984	Rev Date: 09/07/1984
Description: Installation of Tracor 7800 Omego/ VLF navigation system. (727-2S7)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. Minneapolis-St. Paul International Airport, St. Paul, Minnesota, 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA831CE	Status: Current	App Date: 12/30/1971	Rev Date: 03/07/1971
Description: Installation of Aerotherm stretcher model 1003
TC Nos.: 4A26
Models: The Boeing Company707-300 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. Minneapolis-St. Paul International Airport, Minneapolis, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA832CE	Status: Current	App Date: 12/30/1971	Rev Date: 03/07/1972
Description: Installation of Aerotherm stretcher model 1003
TC Nos.: 4A28
Models: The Boeing Company720 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA87GL	Status: Current	App Date: 05/23/1975	Rev Date: 09/29/1975
Description: Installation of Bendix GPW-83 ground proximity warning system. (707-351B)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA88GL	Status: Current	App Date: 04/16/1975	Rev Date: 09/29/1975
Description: Installation of Bendix GPW-83 ground proximity warning systems.
TC Nos.: A22WE
Models: McDonnell Douglas CorporationDC-10-40
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA89GL	Status: Historical	App Date: 04/16/1975	Rev Date: 05/10/1983
Description: Installation of Bendix GPW-83 ground proximity warning system. (727-51C, -51, -227, -151C, -14, -251)
TC Nos.: A3WE
Models: The Boeing Company727-100 Series, 727-200 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA89GL	Status: Current	App Date: 04/16/1975	Rev Date: 06/29/1988
Description: Installation of Bendix GPW-83 ground proximity warning system. (727-51C, -51, -227, -151C, -14, -251)
TC Nos.: A3WE
Models: The Boeing Company727-100 Series, 727-200 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA89GL	Status: Historical	App Date: 04/16/1975	Rev Date: 09/29/1975
Description: Installation of Bendix GPW-83 ground proximity warning system. (727-51C, -51, -227, -151C, -14, -251)
TC Nos.: A3WE
Models: The Boeing Company727-100 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc. 5101 Northwest Drive Intl Airport, St. Paul, MN 55111		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA89GL	Status: Historical	App Date: 04/16/1975	Rev Date: 07/21/1983
Description: Installation of Bendix GPW-83 ground proximity warning system. (727-51C, -51, -227, -151C, -14, -251)
TC Nos.: A3WE
Models: The Boeing Company727-100 Series, 727-200 Series
ACO: AIR-760: Central Certification Branch CHI