Skip to content

Aircraft STC directory

Boeing 727 Series STCs

The Jun 30, 2026 FAA DRS snapshot contains 110 selected supplemental type certificates with status Current whose public applicability data names the Boeing 727 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

110
listed Current at snapshot
54
holder directories
10
modification categories
Jun 23, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications26Cabin and interiors26Avionics17Safety and emergency equipment11Fuel systems11Aircraft structures6Aircraft connectivity5Cargo and special mission4Flight controls2Engine and powerplant2

Recorded holders

United Airlines Inc30Safran Cabin Inc.3L-3 Communications Integrated Systems LP3Rockwell Collins Inc3Canard Aerospace Corporation3Mayday Avionics Inc3B/E Aerospace3Aviation Technical Services2Quiet Wing Corporation2Southeast Aero-Tek Inc2B/E Aerospace Inc.2Quiet Wing Technologies, Inc.2Leading Edge Group LLC, The2Alaska Airlines Inc2Rogerson ATS2Avionics Group Inc.2Aircraft Engineering & Installation Services Inc2Dan Buzz & Associates LLC1AeroMech Incorporated1The Boeing Company1

Recently revised 727 Series STCs

Showing the 100 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA3079WESafety and emergency equipment

Installation of Collins FPC-75 Ground Proximity Warning System Computer P/N 622-2615-012 or P/N 622-2615-212 or P/N 622-2615-213, in airplanes with provisions installed per United Air Lines DAS STC SA2826WE-D revised April 3, 1975, or later approved revisions, and United Air Lines, DAS-1-WE, Approved Drawing List No. 3079 dated February 2, 1979, or later FAA approved revisions. United Air Lines FAA Approved Airplane Flight Manual Supplements dated March 17, 1976, or later approved revisions to Boeing Airplane Flight Manual Documents D6-8727.1/.1C and DC-8728.1, is required as part of this installation.

FAA holder: United Airlines Inc

View record
SA3350WE-DOther aircraft modifications

The air data system is revised in accordance with United Air Lines,\nDAS-1-WE Approved Drawing List No. 3350 dated July 20, 1979, or later FAA approved revisions to the following configuration:\n1.\tThe Captain's and First Officer's altimeters are Harowe P/N 2050 Series electric indicators.\n2.\tThe No. 1 air data computer is a Honeywell P/N HG180U-742 (727-222 only) or a United Air Lines P/N 9F-9058-505 (727-22, -22C only).\n3.\tThe No. 2 air data computer is a Harowe P/N 4019-1, -2, or -5. On the 727-222 only, a Honeywell\n HG180OU-742, HG180V2-9F9058-506, HG180V1-9F9057-504.

FAA holder: United Airlines Inc

View record