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 1 - 20 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
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
DHC-7 7-33-3

Upper Anti-Collision Strobe Light Lightning Protection
- Modification 7/1307 (A/C 1, 2 and 4)

Jul 7, 1978
DHC-6 V6/0036

NOT ISSUED

DHC-2 TB/18

Transmittal Document for Modification Bulletin T2/2059 Tailplane Reinforcement" - Float & Amphibious Aircraft
(Refer to Mod. Bulletin for Data)

Mar 18, 1969
DHC-7 7-24-12

A.C. System 400 Hz - Paralleling Control Box - To Replace Modification 7/1658 (A/C 1 thru 14)

Sep 24, 1979
DHC-6 6/163

Pneumatic System - Improved Low Pressure Warning System
Mod. 6/1150
(A/C 1 thru 135)

Sep 25, 1968
DHC-6 6/499

Wings - Introduction of Alternate Wing Access Hole Plugs - Change of Material
Mod. 6/1883
(A/C with Mod. 6/1869 Incorporated)

Oct 23, 1987
DHC-7 7-71-9

Power Plant - Serial Numbers on Lord Kinematics Corporation New and Refurbished Engine Mounting Assemblies
(All A/C)

Oct 29, 1981
DHC-7 7-21-7

Air Conditioning - Flow Control Elimination
- S.O.O. 7069
(A/C 1 and Sub. as required)

Jan 5, 1980
DHC-6 6/83

Jury Strut - Ground Equipment Rework
(A/C 1 thru 136)

Jan 15, 1968

Pages