ST03472NYCabin and interiors
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
Other aircraft modifications40
Avionics12
Aircraft structures7
Cabin and interiors5
Safety and emergency equipment4
Aircraft connectivity4
Fuel systems3
Engine and powerplant2
Electrical systems1
Flight controls1
Landing gear and brakes1
Cargo and special mission1
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
ST03224NYElectrical systems
Replacement of existing flight data recording systems with new Mini Flight Data Acquisition Unit (MFDAU) and Flight Data Recorder, sensors and wiring capable of recording 57 parameters.
FAA holder: KGB Aviation Solutions LLC
ST01909NYOther aircraft modifications
Installation of Hawker 9750W0370-6 (24V 43Ah) sealed lead-acid batteries.
FAA holder: Securaplane Technologies Inc
ST03065NYOther aircraft modifications
The installation of Dual Universal UNS-1F Flight Management System WAAS Up-grade.
FAA holder: Field Aviation East Limited
ST02311ATSafety and emergency equipment
Installation of Saf-T-Glo Inc photoluminescent floor proximity emergency escape path marking system (FPEEPMS).
FAA holder: STG Aerospace Inc.
SA9086SC-DOther aircraft modifications
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.
SA9080SC-DOther aircraft modifications
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.
ST02729NYOther aircraft modifications
Sky Connect Tracking System to be installed.
FAA holder: Honeywell International Inc
ST09015SCAircraft structures
Installation of a C & X band fuselage nose radome shell.
FAA holder: The NORDAM Group LLC
ST09858ACOther aircraft modifications
Replacement of certain OEM pneumatic deicer boots.
FAA holder: SMR Technologies Inc
ST00790DEOther aircraft modifications
Installation of BendixKing CAS 67B Traffic Alert and Collision Avoidance System (TCAS) II Version 7.1.
FAA holder: Peregrine
ST00346BOOther aircraft modifications
Installation of a Honeywell Laseref IV IRS.
FAA holder: Pro Star Aviation, LLC
ST00309BOAircraft connectivity
Installation of an EMS Aviation AMT-3800 High Gain Antenna Subsystem on Bombardier DHC-8-300 series aircraft in accordance with Pro Star Aviation Installation Data List, Document No. 21032-IDL-01, Revision B, dated 3/4/2011, or later FAA-approved revision. No Flight Manual Supplement (FMS) is required for this modification.
FAA holder: Pro Star Aviation, LLC
ST01862WIAircraft structures
Window Assembly Side Canopy (RH) replacement installation.
FAA holder: Lee Aerospace, Inc.
ST04026NYAvionics
Upgrade of the TDR-94D ADS-B Transponder system.
FAA holder: Midland Instruments Ltd
ST00249BOOther aircraft modifications
Installation of a BAE Systems AN/ALQ-212(V)6.
FAA holder: BAE SYSTEMS Information and Electronic Systems Integration Inc.
ST04021NYAvionics
Installation of Primus 660 Weather Radar with MFD-640.
FAA holder: Midland Instruments Ltd
ST03953NYEngine and powerplant
Installation of the Dual Battery Engine Start System.
FAA holder: Avionics Design Services Ltd.
ST03935NYOther aircraft modifications
Installation of FLYHT AFIRS 228.
FAA holder: Avmax Aviation Services Inc
ST03929NYAvionics
Installation of the CMC-6800 Primary Flight Display.
FAA holder: Mid Canada Mod Center
ST01932NYAircraft connectivity
Installation of a GPS/Satcom Antenna.
FAA holder: Avmax Aviation Services Inc
ST03552NYFlight controls
Installation of Replacement Spoiler Servo Actuator Housing and Assemblies for OEM Part numbers A44700-007 and A44700-009 with 3 Point Machining & Aerospace (3PMA) Part Number A44700-009-3PMA.
FAA holder: 3 Points Machining & Aerospace
ST03887NYCabin and interiors
Installation of Replacement Crew Seat Cushions and Dress Covers.
FAA holder: Ramm Aerospace Inc.
ST02609LAAvionics
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
ST03867NYLanding gear and brakes
Installation of Dunlop P/N DR 26222T Bias Main Landing Gear Tyre(s).
FAA holder: Dunlop Aircraft Tyres Limited
ST01200NYEngine and powerplant
Installation of Aerazur Engine Inlet De-icer Boot.
FAA holder: Zodiac Aerosafety Systems
SA982NEOther aircraft modifications
Installation of Aerazur Type 51 leading edge de-icer boots.
FAA holder: Zodiac Aerosafety Systems
ST03839NYCabin and interiors
Installation of replacement of worn upper caps of cockpit seat tracks with stainless steel tracks.
FAA holder: 3 Points Aviation Corp
ST01133SEAircraft structures
Installation of increased security cockpit door.
FAA holder: Cascade Aviation Services Inc
ST02259SEOther aircraft modifications
Installation of an electronic Remote Access System (RAS) on cockpit security doors.
FAA holder: Cascade Aviation Services Inc
ST03820NYOther aircraft modifications
Installation of Photo-luminescent Aisle Path Marking System.
FAA holder: EcoTech Innovation Business Park
ST01872SEAircraft structures
Installation of lightweight window plug; manufactured and installed.
FAA holder: LiteAir Aviation Products Inc
ST03782NYOther aircraft modifications
Upgrade of the Rockwell Collins TTR-4100 TCAS II V7.1 installed.
FAA holder: Avmax Aviation Services Inc
ST03773NYSafety and emergency equipment
The installation of photoluminescent emergency floor path marking system guideline.
FAA holder: Lufthansa Technik AG
ST03722NYOther aircraft modifications
Installation of L3 Solid State Cockpit Voice Recorder (SSCVR) with Datalink Recording.
FAA holder: Avmax Aviation Services Inc
ST00393NYOther aircraft modifications
Installation of NNAL 527 Stretcher System.
FAA holder: Avmax Aviation Services Inc
ST03700NYOther aircraft modifications
Installation of the Class 2 Electronic Flight Bag provisions.
FAA holder: Fokker Services B.V.
ST03506NYOther aircraft modifications
Installation of dual SAGEM Aircraft Piloting Inertial Reference Sensor (APIRS) F227 AHRS Upgrade.
FAA holder: Mid Canada Mod Center
ST03558NYAircraft structures
Installation of the Removable Draft Bulkhead.
FAA holder: Avmax Aviation Services Inc
ST03640NYOther aircraft modifications
Installation of the Universal UniLink FANS 1/A+ System.
FAA holder: Avmax Aviation Services Inc
ST02030NYOther aircraft modifications
Installation of the Universal Dual UNS-1E Flight Management System Retrofit.
FAA holder: Field Aviation East Limited
ST03575NYAvionics
Installation of Transponder TDR-94D with RTCA DO-260B Compliant ADS-B Out,.
FAA holder: Avmax Aviation Services Inc
ST03562NYFuel systems
Installation of the Long Range Fuel System.
FAA holder: Voyageur Airways Limited
ST03566NYCabin and interiors
Installation of the seat cushion and dress cover replacement.
FAA holder: Avmax Aviation Services Inc
ST03555NYCabin and interiors
Installation of cabin window shades.
FAA holder: Avmax Aviation Services Inc
ST00958NYOther aircraft modifications
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
ST03544NYFuel systems
Installation of Fuel Quantity Gauging System Replacement - Auxiliary Fuel Tanks.
FAA holder: Voyageur Airways Limited
ST03511NYAvionics
Installation of the Universal Avionics MFD-640 system.
FAA holder: Avmax Aviation Services Inc
ST00351BOOther aircraft modifications
Installation of Light-Emitting Diode (LED) Stair Lamps.
FAA holder: Downey Corporation
ST01820NYOther aircraft modifications
Installation of SCD-201 CD Passenger Briefing System.
FAA holder: Western Avionics
ST03468NYAvionics
Installation of Dual Universal RCU-4120 Radio Control Unit.
FAA holder: Field Aviation East Limited
ST03490NYOther aircraft modifications
Installation of the Quick Access Recorder.
FAA holder: Avmax Aviation Services Inc
ST03480NYOther aircraft modifications
Installation of Mid-Continent Cockpit USB Power Outlets.
FAA holder: Avmax Aviation Services Inc
ST03469NYAvionics
Installation of the Rockwell Collins TWR-850 Weather Radar System.
FAA holder: Avmax Aviation Services Inc
ST03456NYOther aircraft modifications
Installation of Latitude Skynode S200.
FAA holder: Latitude Technologies Corporation
ST03325NYOther aircraft modifications
The installation of the EFI-890R System.
FAA holder: Field Aviation East Limited
ST03382NYFuel systems
Installation of Auxiliary Wing Fuel Tank.
FAA holder: Field Aviation East Limited
ST01743WIOther aircraft modifications
Installation of a Replacement Caution Warning Annunciator Panel.
FAA holder: Global Aviation Technologies
ST03337NYSafety and emergency equipment
Installation of Flight Crew, Zodiac MF20-517 Full Face Oxygen / Smoke Mask Upgrade.
FAA holder: Field Aviation Inc
ST03129NYAircraft connectivity
Installation of a SkyTrac Flight Following / Satcom system.
FAA holder: SkyTrac Systems Ltd.
ST11053SCOther aircraft modifications
The installation of a Pratt & Whitney Flight Data Acquisition, Storage and Transmission System (FAST).
FAA holder: Pratt & Whitney Engine Services Inc.
ST03318NYOther aircraft modifications
Installation of Apple iPad Class 2 EFB.
FAA holder: Avionics Design Services Ltd.
ST03310NYOther aircraft modifications
Installation of a Universal UNS-1Ew Flight Management System.
FAA holder: Western Avionics
ST01643WIOther aircraft modifications
Installation of Concorde RG-380E/44 (42AH) or RG-380E/60L (48AH) Series Valve Regulated Sealed Lead-Acid (VRSLA) batteries.
FAA holder: Concorde Battery Corporation
ST03284NYOther aircraft modifications
Installation of a UNS-1Lw Flight Management System.
FAA holder: Western Avionics
ST03234NYOther aircraft modifications
Installation of a Standby Altimeter.
FAA holder: Western Avionics
ST03254NYAvionics
Installation of a Western Avionics PicoCube Communications System.
FAA holder: Western Avionics
ST00801NYOther aircraft modifications
Instalation of Auxiliary Power Unit (APU) Removal.
FAA holder: Field Aviation Co, Inc
ST03143NYAircraft connectivity
Structural provisions for the installation of a Latitude Iridium/GPS antenna, P/N S5GIR1516RR-A2P-XTT-1 and Latitude Iridium/GPS/WiFi antenna, P/N 5G151624RRL-A2P-XTTT-1.
FAA holder: Latitude Technologies Corporation
ST03120NYAircraft structures
Installation of Air Operable Baggage Door.
FAA holder: Field Aviation East Limited
ST01562NYOther aircraft modifications
Replacement of Main and Auxiliary Batteries with Gill G-6381ES sealed recombinant lead-acid batteries.
FAA holder: Teledyne Battery Products
ST03026CHOther aircraft modifications
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
SA3665SWAircraft structures
: Installation of Floor Proximity Lighting System in accordance with Vista Manufacturing, Inc., Drawing List DH-8-1000, Revision D, Dated December 02, 1986 or later FAA approved revision.
FAA holder: BF Goodrich Aerospace
ST00970NYAvionics
1. Configuration 1- Installation of Collins TCAS II /Mode-S Transponder in accordance with Field Aviation Master Drawing and Data List designated DDL-1017, Rev. DD, or later TCCA Approved Revision. 2. Configuration 2- Installation of Collins ACAS II /Mode-S Transponder in accordance with Field Aviation Master Drawing and Data List Designated DDL-1017, Rev. DD, or later TCCA Approved Revision.
FAA holder: Field Aviation East Limited
ST02934NYSafety and emergency equipment
Installation of the Artex C406-2 or C406-N (ELT) to be in accordance with Transport Canada Approved Field Aviation Company inc (FACi) Modification Instructions 200310, original issue dated August 29, 2005 or later Transport Canada approved revision.
FAA holder: Field Aviation Co, Inc
ST00673WI-DOther aircraft modifications
Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System installation.
FAA holder: Rockwell Collins Inc
ST01839NYOther aircraft modifications
Installation of Sierracin/Sylmar Corporation P/N 802600-09/-10 Windshield Assembly.
FAA holder: Sierracin/Sylmar Corporation
ST00733SEOther aircraft modifications
Installation of Precise Flight Pulselite System.
FAA holder: Precise Flight Inc