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 241 - 260 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-2 2/07

Engine Compartment Fire Extinguisher - Introduction of Graviner Type 161A

Feb 9, 1971
DHC-6 6/61

De-Icing System - Inspection for Condensate
(All A/C equipped with airframe de-icing)

Nov 9, 1967
DHC-6 6/276

Propeller Autofeather Torque Pressure Switch Replacement
Mod. 6/1423
(A/C 231 thru 290)

May 14, 1971
DHC-7 7-33-9

Baggage Compartment Lights - Door Switch Control
- Modification 7/2064
(A/C 1 thru 92)

Jul 9, 1982
DHC-6 6/112

Overhead Console - Beta Release Cable Throttle Level Rectification
Mod. 6/1025
(A/C 1 thru 119)

Mar 11, 1968
DHC-6 6/485

Wings - Introduction of Additional Drain Holes
Mod. 6/1868
(All A/C)

Jul 4, 1986
DHC-6 V6/0041

Back EMF Voltage Spike Protection

Jun 4, 2013
DHC-3 3/40

Landing Gear - Ski/Amphibious Float Electric Motor/Pump Replacement - Modification 3/931

Mar 30, 1984
DHC-7 7-31-6

Recording System - Flight Data Recorder Replacement
-  Modification 7/1934
(A/C 1 thru 59)

Dec 4, 1981
DHC-7 7-25-8

Sun Visors - Replacement
- Modification 7/1468
(A/C 3 thru 12)

Dec 21, 1979
DHC-6 6/372

Nose Landing Gear - Improved Fork Nut Lock
Mod. 6/1618
(A/C 1 thru 572)

May 5, 1978
DHC-7 7-53-32

Fuselage - Replacement of Fasteners in Nose Landing Gear Drag Strut Attachment Fittings
- Modification 7/2572
(All A/C)

Mar 15, 1991
DHC-7 7-52-23

Airstair Door - To Improve Seal Deflation System
- Modification 7/1868 (A/C 1 thru 45 less 36)

Jun 15, 1981
DHC-6 6/208

Door Open Warning System
Mod. 6/1268

Sep 10, 1970
DHC-7 7-24-8

Electrical System - External Power Connector and Limiter - Introduction of Copper Bus Bars
- Modification 7/1472 (A/C 1 thru 12)

Jun 22, 1979
DHC-6 6/77

De-Icing System - Provision of Drainage for Condensate
Mod. 6/1154
(A/C 1 thru 94)

Jan 10, 1968
DHC-6 6/292

Propeller Deicing Boots
Mod. 6/1441
(A/C 1 thru 350 with Prop Deicing)

Oct 25, 1972
DHC-6 6/128

Flap Selector Valve and Actuator - Drip Tray Introduction
Mod. 6/1107
(A/C 1 thru 105)

Apr 4, 1968
DHC-6 6/501

Ice and Rain Protection - Horizontal Stabilizer Deicer Boots - Automatic Inflation During Flap Extension
Mod. 6/1874
(A/C with S.O.O. 6004 Incorporated)

Mar 25, 1988
DHC-7 7-21-3

Direct Vision Window - To Introduce Seal at Air Conditioning Duct Outlet
- Modification 711230
(A/C 1, 2 and 4)

Mar 23, 1979

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