Replace core assembly of Janitrol Engine Oil Cooler, part number 28E99-3, -4, -6, and -7.
FAA holder: Honeywell International Inc.
Aircraft STC directory
Bombardier-Rotax GmbH DHC-8-300 Series STCs
The Jun 30, 2026 FAA DRS snapshot contains 24 selected supplemental type certificates with status Current whose public applicability data names the Bombardier-Rotax GmbH DHC-8-300 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
24
listed Current at snapshot
11
holder directories
8
modification categories
Sep 22, 2021
latest recorded revision
Modification demand surface
Recorded holders
Aero Consulting Services Ltd6HAECO Cabin Solutions LLC2Rockwell Collins Aerospace & Electronics Inc. Flight Dynmics Division2Field Aviation East Limited2Field Aviation Company Inc2Western Avionics2Honeywell International Inc1Cascade Aerospace Inc.1Field Aviation Co, Inc1Lifeport, Inc1Magnifoam Technology1
Recently revised DHC-8-300 Series STCs
Showing the 24 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of expanded flight data parameters for Teledyne DF DAU.
FAA holder: HAECO Cabin Solutions LLC
Installation of flight data recorder expanded parameters with a Plessey FDAU.
FAA holder: HAECO Cabin Solutions LLC
Installation of Head Up Display (HUD) Guidance System (HGS), Model 2800, in accordance with Flight Dynamics Installation Drawing List 9701-0868, Revision T, dated March 29, 2000, or later Federal Aviation Administration approved revision.
FAA holder: Rockwell Collins Aerospace & Electronics Inc. Flight Dynmics Division
Installation of HUD Guidance System (HGS), Model 2800.
FAA holder: Rockwell Collins Aerospace & Electronics Inc. Flight Dynmics Division
Installation of Bendix/King KHF 950 Communication System.
FAA holder: Cascade Aerospace Inc.
Manufacture and installation of an improved Exhaust Outlet Shroud Assembly.
FAA holder: Aero Consulting Services Ltd
Installation of Crew Oxygen Servicing System.
FAA holder: Aero Consulting Services Ltd
Manufacture and installation of a safety catch mechanism on the left hand baggage door.
FAA holder: Aero Consulting Services Ltd
Configuration A-EFIS Equipped Aircraft UNS-1C Provisions Only.
FAA holder: Field Aviation East Limited
Installation of exhaust outlet.
FAA holder: Aero Consulting Services Ltd
Installation of Patient Loading and Utility System.
FAA holder: Lifeport, Inc
Installation of a L3 Communications TCAS 2000 System.
FAA holder: Avionics & Aircraft Systems, Inc.
Installation of a Garmin GPS 165 for VFR, IFR Enroute and Terminal Navigation.
FAA holder: Western Avionics
Installation of insulation blankets.
FAA holder: Magnifoam Technology
Installation of a Single Universal Avionics Systems, Unilink UL-601 complete with Miltrope Thermal Printer, Model TP4429.
FAA holder: Field Aviation East Limited
Installation of rain gutter above APU air inlet.
FAA holder: Aero Consulting Services Ltd
Installation and maintenance of Aerazur Engine Inlet De-Icer Boot.
FAA holder: Field Aviation Company Inc
Installation of a Crew Oxygen electrical Pressure Indicating system.
FAA holder: Aero Consulting Services Ltd