Modification of air to air heat exchanger (P/N 182820-2 Series 2).
FAA holder: Honeywell International Inc.
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 17 selected supplemental type certificates with status Current whose public applicability data names the Boeing 737 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 17 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Honeywell International Inc.
FAA holder: HAECO Cabin Solutions LLC
FAA holder: Magee Plastics Company
FAA holder: B/E Aerospace Inc.
FAA holder: B/E Aerospace Inc.
FAA holder: B/E Aerospace Inc.
FAA holder: B/E Aerospace Inc.
FAA holder: B/E Aerospace
FAA holder: Champ International, Inc.
FAA holder: Lou Martin & Associates
FAA holder: General Aerospace, Inc
FAA holder: Avtech Corporation
FAA holder: Avtech Corporation
FAA holder: Driessen Aircraft Interior Systems USA, Inc
FAA holder: General Aerospace, Inc