DHC Technical Publications

* For CL technical publications, please visit: aerialfirefighter.vikingair.com/support/technical-publications

De Havilland Canada aircraft are recognized the world over for their reliability and longevity, and Viking is committed to keeping the fleet operational and in service for years to come. This commitment includes simplifying access to current versions of and revisions to Maintenance and Flight Manuals for DHC-2 Beaver through to DHC-7 Dash 7 aircraft. Viking has worked with Aircraft Technical Publishers (ATP) to provide up-to-date, digital versions of the technical libraries that are easily accessible and available by subscription.

Current Manual Status List for DHC Aircraft

Manual Status List – DHC-2 to DHC-7

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact csps-tp@vikingair.com.

Service Bulletins

* For CL service bulletins, please visit: aerialfirefighter.vikingair.com/support/technical-publications

The table below contains the full list of service bulletins that have been issued in relation to DHC-2 Beaver, DHC-3 Otter, DHC-6 Twin Otter and DHC-7 Dash 7 aircraft. This list is for reference purposes only. To purchase a subscription to a digital library, please contact Aircraft Technical Publishers. To obtain a copy of a particular service bulletin or for more information, please contact our CSPS Technical Publications Coordinator at csps-tp@vikingair.com.

Displaying 41 - 60 of 1696

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/537

NOT ISSUED

DHC-6 6/21

Fuel Shut-off Control System Rigging Check
(All A/C with Bendix FCU DP-F2 Part No. 2524245)

May 10, 1967
DHC-7 7-23-18

Communications - HF System Receiver Exciter or Power Amplifier Coupler Replacement
- Modification 7/2218
(A/C 1 thru 132 with S.O.O. 7001) (HF Communication System)

Jun 17, 1983
DHC-6 6/248

Special Inspection - Rudder and Elevator Cables - Fouling
(A/C 231 thru 290)

Sep 25, 1970
DHC-6 6/404

Navigation - Omega System - To Omit Use of Station Trinidad
(A/C 1 thru 765 Incorporating Omega System)

Jun 6, 1981
DHC-6 6/457

Non-Approved Components and Installations (All A/C)

Nov 25, 1983
DHC-7 7-30-16

Propeller Deicing System - No. 1 Single Cycle Timer Replaced with a Dual Cycle Timer
-  Modification 7/2281
(A/C 3 thru 86, 89, 91, 94 and 95)

Oct 14, 1983
DHC-3 S.O.O. 3032

Wing Tip Strobe Lighting - To Introduce.

Sep 24, 1976
DHC-7 7-11-23

Labels - To Identify Rear Emergency and Baggage Doors
- Modification 7/2180 (A/C 3 thru 73)

Sep 24, 1982
DHC-6 6/168

Airstair and Cargo Door - Improved Handle Guard, Handle and Ashtray/Knee Guard
Mod. 6/1183
(A/C 1 thru 170)

Nov 26, 1968
DHC-6 6/88

Flap/Elevator - Trim Cables - Nylon Cover Introduction
Mod. 6/1127
(A/C 1 thru 95)

Jan 24, 1968
DHC-2 TB/8

Water Rudders - Float Configuration Aircraft

Aug 15, 1967
DHC-7 7-61-8

Propellers - Incorporation of Improved Bearing Race
-  Hamilton Standard S/B 61-1027
(Effectivity - See Hamilnto Standard S/B 61-1027)

Oct 9, 1981
DHC-7 7-25-34

Furnishings - Baggage Compartment Protective Bulkhead - Improved Latches
- Modification 7/1851 (A/C 1 thru 72)

Feb 19, 1982
DHC-2 V2/0010

Inspection - Front Fuselage Struts and Airframe Lugs

Apr 3, 2020
DHC-6 V6/0010

Fastener Corrosion Prevention for Carbon Fibre Composite Assemblies
(DHC-6/400 S/N 845, 846 & 849)

May 26, 2011
DHC-6 6/37

Nose Landing Gear - Shock Strut - Removal Instructions
(All A/C)

Jul 10, 1967
DHC-7 7-54-7

Nacelle Aft End Fairing Doors -  To Replace Bungee Cord Spring with Steel Wire Coil Springs
-  Modification 7/1374
(A/C 1 thru 4, 6, 7, 9 and 10)

May 25, 1979
DHC-7 7-34-17

Navigation - R/NAV Interface Box
-  Addition of Capacitor
-  Modification 7/2014
(A/C 3 thru 57 with Area Navigation System S.O.O. 7016)

Mar 5, 1982
DHC-6 6/473

Voltage Regulators - Special Inspection for Omission of Ground Wires
(A/C 531 thru 814 Post-Mod. 6/1590)

Mar 22, 1985

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