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, DHC-2 to DHC-7

View LIST

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

For more information on digital technical publications, please contact technical.publications@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 Technical Publications Administrator.

Displaying 101 - 120 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/467

Autoflight - Collins Steering Computer - Replacement of Capacitor
(A/C with Collins Steering Computer 562A-5G S/N 1450 MCN1622)

Sep 17, 1984
DHC-7 7-28-2

Fuel System - Auxiliary Pump Lightning Protection - Special Inspection and Rectification
(A/C 3 thru 8)

Oct 19, 1979
DHC-7 7-53-29

Fuselage - Installation of Automatic Bilge Drain Valves
- Modification 7/2416
(A/C 1 and Sub.)

Jan 24, 1986
DHC-7 7-27-14

Flying Controls - Fore Flap Actuator Assemblies - To Improve Low Temperature Performance
- Modifications 7/1642, 7/1643 and 7/1644 (A/C 1 thru 17)

Nov 30, 1979
DHC-6 6/307

Starter Generator Attachment Clamp - Inspection and Replacement of T-Bolt
(A/C 338 to 393, Less 386, 390 and 391)

Dec 12, 1973
DHC-7 7-35-1

Portable Passenger Oxygen Cylinders - To Introduce a Brass Plug in Lieu of Nylon Plug at Filler Cap
- E.O. 70837
(A/C 3, 4, 6, 7, 9 and 10)

Jul 6, 1979
DHC-2 2/22

Main Landing Gear Compression & Rebound Rubber
Block Replacement - Modification No. 2/1533

May 27, 1977
DHC-7 7-25-7

Furnishings - To Install Nosing On Flight Compartment Steps
- Modification 7/1466
(A/C 3, 4, 7 and 9)

Sep 28, 1979
DHC-6 6/227

Electrical System - Generator Shunt Ground Cables - Special Inspection
(A/C 140 thru 268)

Dec 9, 1969
DHC-2 TB/2

PT6A Engine - Compressor Turbine Disk - Early
Retirement (UACL Campaign Change 66-C2-74)

Jan 16, 1967
DHC-7 7-23-21

Communications - Cockpit Voice Recorder -  Change of Power Supply
-  Modification 7/2431
(A/C 3 thru 27 without Modification 7/1602 and A/C 28 and Sub. with Modification 7/1602)

Jan 24, 1986
DHC-6 6/147

Trim Cables - Rudder and Elevator - Introduction of Nylon Covered
Mod. 6/1128

Jun 7, 1968
DHC-7 7-32-10

Tail Bumper - Introduction of New Gasket
-  Modification 7/1375
(A/C 1 thru 4 and 7

May 25, 1979
DHC-7 7-11-26

Placards and Markings - Windshield Washer System - To Identify Permissible Fluid Types
- Modification 7/2312
(A/C 001 thru 103 incorporate de Havilland S.O.O. 7039 Windshield Washer System)

Mar 31, 1983
DHC-6 6/67

Protective Treatment - Tailplane De-Icing Boots - Reapplication
(All A/C equipped with de-icing boots)

Dec 18, 1967
DHC-6 6/403

Fuel Boost Pump Electro-Magnetic Interference Filter Maintenance Precautions
Mod. 6/1688
(A/C 681 and Sub. and All Other A/C Equipped with EMI Filter in Fuel Boost Pump Circuit)

Feb 9, 1981
DHC-7 7-52-2

Upper Airstair Door - To Improve Locking System Operation
- Modification 7/1225
(A/C 1, 2 and 4)

Apr 21, 1978
DHC-2 2/38

See TB/56

DHC-7 7-25-23

Furnishings - Replacement of Seat Pitch Indicators on Seat Rails
- Modification 7/1925 (A/C 3 thru 37)

Mar 20, 1981
DHC-6 6/243

Push Rods - Rudder Pedal Assembly
Mod. 6/1351
(A/C 1 thru 310)

May 8, 1970

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