Installation of the Cabin LED Lighting.
FAA holder: Avmax Aviation Services Inc
Aircraft STC directory
Bombardier DHC-8-311 STCs
The Jun 30, 2026 FAA DRS snapshot contains 81 selected supplemental type certificates with status Current whose public applicability data names the Bombardier DHC-8-311. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
81
listed Current at snapshot
36
holder directories
12
modification categories
Apr 8, 2025
latest recorded revision
Modification demand surface
Recorded holders
Avmax Aviation Services Inc15Field Aviation East Limited8Western Avionics5Honeywell International Inc3Peregrine2Pro Star Aviation, LLC2Midland Instruments Ltd2Avionics Design Services Ltd.2Mid Canada Mod Center2Cascade Aviation Services Inc2Voyageur Airways Limited2Latitude Technologies Corporation2Field Aviation Co, Inc2Rockwell Collins Inc2KGB Aviation Solutions LLC1Securaplane Technologies Inc.1STG Aerospace Inc.1The NORDAM Group LLC1SMR Technologies Inc1Lee Aerospace Inc.1
Recently revised DHC-8-311 STCs
Showing the 81 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of Hawker 9750W0370-6 (24V 43Ah) sealed lead-acid batteries.
FAA holder: Securaplane Technologies Inc
The installation of Dual Universal UNS-1F Flight Management System WAAS Up-grade.
FAA holder: Field Aviation East Limited
Recore of Hamilton Standard Heat Exchangers 778683-2 for Installation on deHavilland DHC-8 Series Aircraft and 778683-2 for Installation on Fokker F27 Mark 050 Aircraft, in accordance with Honeywell LORI Sealed Drawing List SDL3545-1, Revision C, dated 11 October 2005 or later FAA approved revision.
FAA holder: Honeywell International Inc.
Replace 30E94-2 Sensing Element in Janitrol Valve 45E04-1 used on DHC-8 Oil Coolers 28E99-6 and 28E99-7 in accordance with Honeywell LORI Specification LR 0201-117 as reflected on Honeywell LORI Sealed Drawing List SDL3709-1, Revision A, dated 11 October 2005 or later FAA approved revision.
FAA holder: Honeywell International Inc.
Sky Connect Tracking System to be installed.
FAA holder: Honeywell International Inc
Installation of a C & X band fuselage nose radome shell.
FAA holder: The NORDAM Group LLC
Replacement of certain OEM pneumatic deicer boots.
FAA holder: SMR Technologies Inc
Installation of a Honeywell Laseref IV IRS.
FAA holder: Pro Star Aviation, LLC
View record
Window Assembly Side Canopy (RH) replacement installation.
FAA holder: Lee Aerospace, Inc.
Upgrade of the TDR-94D ADS-B Transponder system.
FAA holder: Midland Instruments Ltd
Installation of a BAE Systems AN/ALQ-212(V)6.
FAA holder: BAE SYSTEMS Information and Electronic Systems Integration Inc.
Installation of Primus 660 Weather Radar with MFD-640.
FAA holder: Midland Instruments Ltd
Installation of the Dual Battery Engine Start System.
FAA holder: Avionics Design Services Ltd.
Installation of FLYHT AFIRS 228.
FAA holder: Avmax Aviation Services Inc
Installation of the CMC-6800 Primary Flight Display.
FAA holder: Mid Canada Mod Center
Installation of a GPS/Satcom Antenna.
FAA holder: Avmax Aviation Services Inc
Installation of Replacement Crew Seat Cushions and Dress Covers.
FAA holder: Ramm Aerospace Inc.
Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
Installation of Dunlop P/N DR 26222T Bias Main Landing Gear Tyre(s).
FAA holder: Dunlop Aircraft Tyres Limited
Installation of Aerazur Engine Inlet De-icer Boot.
FAA holder: Zodiac Aerosafety Systems
Installation of Aerazur Type 51 leading edge de-icer boots.
FAA holder: Zodiac Aerosafety Systems
Installation of increased security cockpit door.
FAA holder: Cascade Aviation Services Inc
Installation of an electronic Remote Access System (RAS) on cockpit security doors.
FAA holder: Cascade Aviation Services Inc
Installation of Photo-luminescent Aisle Path Marking System.
FAA holder: EcoTech Innovation Business Park
Installation of lightweight window plug; manufactured and installed.
FAA holder: LiteAir Aviation Products Inc
Upgrade of the Rockwell Collins TTR-4100 TCAS II V7.1 installed.
FAA holder: Avmax Aviation Services Inc
Installation of L3 Solid State Cockpit Voice Recorder (SSCVR) with Datalink Recording.
FAA holder: Avmax Aviation Services Inc
Installation of NNAL 527 Stretcher System.
FAA holder: Avmax Aviation Services Inc
Installation of the Class 2 Electronic Flight Bag provisions.
FAA holder: Fokker Services B.V.
Installation of the Removable Draft Bulkhead.
FAA holder: Avmax Aviation Services Inc
Installation of the Universal UniLink FANS 1/A+ System.
FAA holder: Avmax Aviation Services Inc
Installation of the Universal Dual UNS-1E Flight Management System Retrofit.
FAA holder: Field Aviation East Limited
Installation of Transponder TDR-94D with RTCA DO-260B Compliant ADS-B Out,.
FAA holder: Avmax Aviation Services Inc
Installation of the Long Range Fuel System.
FAA holder: Voyageur Airways Limited
Installation of the seat cushion and dress cover replacement.
FAA holder: Avmax Aviation Services Inc
Installation of cabin window shades.
FAA holder: Avmax Aviation Services Inc
Installation of a Universal 1405-01-1/-2 Data Transfer Unit (DTU) in the co-pilot's side console.
FAA holder: Field Aviation East Limited
Installation of Fuel Quantity Gauging System Replacement - Auxiliary Fuel Tanks.
FAA holder: Voyageur Airways Limited
Installation of the Universal Avionics MFD-640 system.
FAA holder: Avmax Aviation Services Inc
Installation of Light-Emitting Diode (LED) Stair Lamps.
FAA holder: Downey Corporation
Installation of SCD-201 CD Passenger Briefing System.
FAA holder: Western Avionics
Installation of Dual Universal RCU-4120 Radio Control Unit.
FAA holder: Field Aviation East Limited
Installation of the Quick Access Recorder.
FAA holder: Avmax Aviation Services Inc
Installation of Mid-Continent Cockpit USB Power Outlets.
FAA holder: Avmax Aviation Services Inc
Installation of the Rockwell Collins TWR-850 Weather Radar System.
FAA holder: Avmax Aviation Services Inc
Installation of Latitude Skynode S200.
FAA holder: Latitude Technologies Corporation
The installation of the EFI-890R System.
FAA holder: Field Aviation East Limited
Installation of Auxiliary Wing Fuel Tank.
FAA holder: Field Aviation East Limited
Installation of a Replacement Caution Warning Annunciator Panel.
FAA holder: Global Aviation Technologies
Installation of a SkyTrac Flight Following / Satcom system.
FAA holder: SkyTrac Systems Ltd.
The installation of a Pratt & Whitney Flight Data Acquisition, Storage and Transmission System (FAST).
FAA holder: Pratt & Whitney Engine Services Inc.
Installation of Apple iPad Class 2 EFB.
FAA holder: Avionics Design Services Ltd.
Installation of a Universal UNS-1Ew Flight Management System.
FAA holder: Western Avionics
Installation of a UNS-1Lw Flight Management System.
FAA holder: Western Avionics
Installation of a Standby Altimeter.
FAA holder: Western Avionics
Installation of a Western Avionics PicoCube Communications System.
FAA holder: Western Avionics
Instalation of Auxiliary Power Unit (APU) Removal.
FAA holder: Field Aviation Co, Inc
Installation of Air Operable Baggage Door.
FAA holder: Field Aviation East Limited
Installation upgrade to the existing Honeywell Traffic Alert and Collision Avoidance System (TCAS) with an Aviation Communication & Surveillance Systems (ACSS) TCAS 2000 System, Dual ACSS Mode S Transponders, and Dual Honeywell AZ-810 Digital Air Data Computers (-976).
FAA holder: Worthington Aviation
View record
Installation of Sierracin/Sylmar Corporation P/N 802600-09/-10 Windshield Assembly.
FAA holder: Sierracin/Sylmar Corporation
Installation of Precise Flight Pulselite System.
FAA holder: Precise Flight Inc