Skip to content

Aircraft STC directory

Boeing 737-400 Series STCs

The Jun 30, 2026 FAA DRS snapshot contains 411 selected supplemental type certificates with status Current whose public applicability data names the Boeing 737-400 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

411
listed Current at snapshot
140
holder directories
13
modification categories
Mar 30, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications170
Cabin and interiors76
Avionics57
Aircraft structures22
Cargo and special mission22
Safety and emergency equipment20
Aircraft connectivity17
Fuel systems16
Landing gear and brakes4
Engine and powerplant3
Electrical systems2
Aircraft performance1
Flight controls1

Recorded holders

Safran Cabin Inc.23Rockwell Collins Inc15Honeywell International Inc14American Airlines Inc12Amphenol Cable and Interconnect Technologies Inc.11TASS Inc10LMI Aerospace9Ancra International LLC8Driessen Aircraft Interior Systems, Inc DBA Zodiac Galleys USA Inc8Avionics Support Group Inc.7LB Aircraft Engineering LLC7Woven Electronics LLC7LB Aircraft Engineering Inc6Kelowna Flightcraft Ltd5Archeion Holdings LLC5Fokker Services B.V.5Pemco World Air Services, Inc.5Aviation Technical Services5Simmonds Precision Products Inc5EAD Inc.5

Recently revised 737-400 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.

ST03355ATAvionics

Dual Installation of Universal Avionics EFI-890R EFIS on Boeing 737-300/-400 aircraft series. Installation includes 4 Flat Panel Multi Function Displays to provide a Primary Flight Display (PFD) and a Nav Display (ND) for the pilot and co-pilot, as replacement of the existing indicators, two Data Concentrator Units to interface discretes and FMS data busses, and two Vision-1 Computers that hold the terrain data base which provide Egocentric and Exocentric views on the PFD/ND respectively. This installation is in accordance with ARC Avionics Master Data List 750-053005, Rev-H, dated November 24, 2009, or later FAA approved rev's.

FAA holder: LB Aircraft Engineering LLC

View record