FAA-listed STC holder

United Air Lines Inc STCs

The Jun 30, 2026 FAA DRS snapshot lists 23 selected supplemental type certificates with their cited source statuses under United Air Lines Inc. The records span 17 public aircraft directories and 5 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

dated FAA records

aircraft directories

modification categories

Nov 30, 2011

latest recorded revision

Recently revised records

Showing the 23 most recently revised records. Category directories provide the complete paginated discovery path.

23 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

United Air Lines Inc supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA3031WE-D Four additional serving cart tie-downs are installed on main deck;. Other aircraft modifications View record	Boeing DC-10-10TC A22WE Boeing DC-10-30TC A22WE	Current at cited snapshot Revised Nov 30, 2011 Application: Oct 13, 1975	FAA holder: United Air Lines Inc. FAA authority record
SA2591AWE Installation of an Interior Arrangement. Cabin and interiors View record	Boeing 727-200 SeriesTC A3WE	Historical Revised Jun 29, 2009 Application: Aug 28, 1972 Status checked: Jul 13, 2026	FAA holder: United Air Lines Inc FAA authority record
SA1122NW-D Installation of solid-state, color-display system. Avionics View record	McDonnell Douglas DC-8-61TC 4A25	Current at cited snapshot Revised Jun 26, 2009 Application: Jul 1, 1981	FAA holder: United Air Lines Inc FAA authority record
SA1123NW-D Installation of an underwing fueling panel. Other aircraft modifications View record	McDonnell Douglas DC-8-71TC 4A25 McDonnell Douglas DC-8-61TC 4A25	Current at cited snapshot Revised Jun 26, 2009 Application: Apr 30, 1981	FAA holder: United Air Lines Inc FAA authority record
SA1130NW-D Rework of weather radar system to install solid-state, color-display system. Approved for 727-222. Avionics View record	Boeing 727-200 SeriesTC A3WE	Current at cited snapshot Revised Jun 26, 2009 Application: Oct 16, 1981	FAA holder: United Air Lines Inc FAA authority record
SA1926WE Dual installation of A.C. Electronics Carousel IV INS units. Other aircraft modifications View record	McDonnell Douglas DC-8-61TC 4A25	Current at cited snapshot Revised Jun 26, 2009 Application: Apr 10, 1969	FAA holder: United Air Lines Inc FAA authority record
SA2448WE Installation of McDonnell Douglas Eros II collision avoidance system. (727-222). Other aircraft modifications View record	Boeing 727TC A3WE	Current at cited snapshot Revised Jun 26, 2009 Application: Oct 11, 1971	FAA holder: United Air Lines Inc FAA authority record
SA2709NM-D Installation of an Airfone Air-to-Ground Passenger Telephone System. Aircraft connectivity View record	McDonnell Douglas DC-8-71TC 4A25	Current at cited snapshot Revised Jun 26, 2009 Application: Sep 3, 1985	FAA holder: United Air Lines Inc FAA authority record
SA2716NM-D Installation of Bendix Model TRA-66A Mode S transponder. Avionics View record	McDonnell Douglas DC-8-71TC 4A25	Current at cited snapshot Revised Jun 26, 2009 Application: Sep 15, 1986	FAA holder: United Air Lines Inc FAA authority record
SA2717NM-D Installation of TCAS and data recording provisions, consisting of equipment mounting trays, antenna systems and cables, circuit breakers, and complete system interwiring. Aircraft connectivity View record	McDonnell Douglas DC-8-71TC 4A25	Current at cited snapshot Revised Jun 26, 2009 Application: Mar 15, 1987	FAA holder: United Air Lines Inc FAA authority record
SA2746NM-D Installation of a passenger air-to-ground telephone system consisting of 2 wireless handsets and handset holders, support equipment in the existing E&E compartment, 2 new L-band blade antennas on the lower fuselage area and associated cables and wiring. Aircraft connectivity View record	Boeing 727-200 SeriesTC A3WE	Current at cited snapshot Revised Jun 26, 2009 Application: May 5, 1988	FAA holder: United Air Lines Inc FAA authority record
SA2755NM-D Replace first class seats and increase coach seating. Cabin and interiors View record	McDonnell Douglas DC-10-30TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: Oct 30, 1989	FAA holder: United Air Lines Inc FAA authority record
SA2756NM-D Installation of wiring provisions for a single traffic alert and collision avoidance system (TCAS II). Electrical systems View record	McDonnell Douglas DC-10-10TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: May 30, 1989	FAA holder: United Air Lines Inc FAA authority record
SA2770NM-D Installation of TCAS II and Mode S transponder provisions, consisting of system interwiring, antenna coaxial cables, antenna structure installation, TCAS directional antenna and transponder antenna. Approved for 727-222 model. Aircraft connectivity View record	Boeing 727-200 SeriesTC A3WE	Current at cited snapshot Revised Jun 26, 2009 Application: Apr 12, 1989	FAA holder: United Air Lines Inc FAA authority record
SA2775NM-D Installation of dual Mode S/ATCRBS trasponders and full Traffic Alert and Collision Avoidance System (TCAS) provisions. Approved for 727-222 series. Other aircraft modifications View record	Boeing 727-200 SeriesTC A3WE	Current at cited snapshot Revised Jun 26, 2009 Application: May 8, 1990	FAA holder: United Air Lines Inc FAA authority record
SA2837WE-D Install new lavatory module/bustle assembly at door 2 RH/LH, underfloor plumbing and related systems, modified main deck floor support structure, external service panel. Cabin and interiors View record	McDonnell Douglas DC-10-10TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: Jan 23, 1975	FAA holder: United Air Lines Inc FAA authority record
SA3591WE-D Installs new lavatory module/ bustle assembly at door 2 RH/LH, underfloor plumbing and related systems, modified main deck floor support structure, external service panel. Cabin and interiors View record	McDonnell Douglas DC-10-10TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: Mar 20, 1979	FAA holder: United Air Lines Inc FAA authority record
SA3941WE-D Installation of a UHF radio telephone system. Aircraft connectivity View record	McDonnell Douglas DC-10-10TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: May 27, 1980	FAA holder: United Air Lines Inc FAA authority record
SA5641NM-D Installation of Collins DLM-700 series Aircraft Communications and Reporting System (ACARS) with dedicated Collins VHF-700 series, VHF transceiver, and a Bendix PT-45B printer. Other aircraft modifications View record	Boeing 727-200 SeriesTC A3WE	Current at cited snapshot Revised Jun 26, 2009 Application: Jun 30, 1992	FAA holder: United Air Lines Inc FAA authority record
SA5995NM-D Install global positioning systems (GPS) provisions. Avionics View record	McDonnell Douglas DC-10-10TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: Aug 31, 1994	FAA holder: United Air Lines Inc FAA authority record
SA5996NM-D Install a single ARINC 741 satellite communication system (SATCOM) provisions. Aircraft connectivity View record	McDonnell Douglas DC-10-10TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: Sep 15, 1994	FAA holder: United Air Lines Inc FAA authority record
ST00552LA-D Modifies to deactive Global Positioning System (GPS), Satellite Communication System (SATCOM), Electronic Flight Indicators (EFI) and Electronic Resource System (ERS) including rmeoval of respective components. Aircraft connectivity View record	McDonnell Douglas DC-10-10TC A22WE	Current at cited snapshot Revised Jun 26, 2009 Application: Nov 22, 1998	FAA holder: United Air Lines Inc FAA authority record
SA1405WE Structural installation of Dorne and Margolin DMC 33-2 Satcom VHF radio antenna. Aircraft connectivity View record	McDonnell Douglas DC-8-52TC 4A25 McDonnell Douglas DC-8-31TC 4A25 McDonnell Douglas DC-8-32TC 4A25 McDonnell Douglas DC-8-33TC 4A25 McDonnell Douglas DC-8-51TC 4A25 McDonnell Douglas DC-8-53TC 4A25 McDonnell Douglas DC-8F-55TC 4A25 McDonnell Douglas DC-8-21TC 4A25 McDonnell Douglas DC-8F-54TC 4A25	Current at cited snapshot Revised Jun 6, 2009 Application: Mar 31, 1967	FAA holder: United Air Lines Inc FAA authority record

United Air Lines Inc STCs

Modification mix

Aircraft represented

Recently revised records

Four additional serving cart tie-downs are installed on main deck;.

Installation of an Interior Arrangement.

Installation of solid-state, color-display system.

Installation of an underwing fueling panel.

Rework of weather radar system to install solid-state, color-display system. Approved for 727-222.

Dual installation of A.C. Electronics Carousel IV INS units.

Installation of McDonnell Douglas Eros II collision avoidance system. (727-222).

Installation of an Airfone Air-to-Ground Passenger Telephone System.

Installation of Bendix Model TRA-66A Mode S transponder.

Installation of TCAS and data recording provisions, consisting of equipment mounting trays, antenna systems and cables, circuit breakers, and complete system interwiring.

Installation of a passenger air-to-ground telephone system consisting of 2 wireless handsets and handset holders, support equipment in the existing E&E compartment, 2 new L-band blade antennas on the lower fuselage area and associated cables and wiring.

Replace first class seats and increase coach seating.

Installation of wiring provisions for a single traffic alert and collision avoidance system (TCAS II).

Installation of TCAS II and Mode S transponder provisions, consisting of system interwiring, antenna coaxial cables, antenna structure installation, TCAS directional antenna and transponder antenna. Approved for 727-222 model.

Installation of dual Mode S/ATCRBS trasponders and full Traffic Alert and Collision Avoidance System (TCAS) provisions. Approved for 727-222 series.

Install new lavatory module/bustle assembly at door 2 RH/LH, underfloor plumbing and related systems, modified main deck floor support structure, external service panel.

Installs new lavatory module/ bustle assembly at door 2 RH/LH, underfloor plumbing and related systems, modified main deck floor support structure, external service panel.

Installation of a UHF radio telephone system.

Installation of Collins DLM-700 series Aircraft Communications and Reporting System (ACARS) with dedicated Collins VHF-700 series, VHF transceiver, and a Bendix PT-45B printer.

Install global positioning systems (GPS) provisions.

Install a single ARINC 741 satellite communication system (SATCOM) provisions.

Modifies to deactive Global Positioning System (GPS), Satellite Communication System (SATCOM), Electronic Flight Indicators (EFI) and Electronic Resource System (ERS) including rmeoval of respective components.

Structural installation of Dorne and Margolin DMC 33-2 Satcom VHF radio antenna.