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 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-34-10

Avionics - ADF Sense Antenna
-  Installation of Mast Gaskets
-  Modification 7/1799
(A/C 1 thru 47 with S.O.O. 7004)

Apr 10, 1981
DHC-6 6/389

Waste Fuel Non-Return Valve Hinge Orientation
Mod. 6/1670
(A/C 511 thru 615)

Nov 30, 1979
DHC-6 6/227

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

Dec 9, 1969
DHC-6 6/428

Power Plant - To Introduce Second Stage Reduction Planet Gear Bearings Without Centre Groove and Shafts with Pressure Flat - to introduce P & WC
S/B 1258
(All A/C)

Apr 30, 1982
DHC-7 7-32-57

Nose Landing Gear - Improved Steering Electronic Control Module
-  Modification 7/1917
(A/C 1 thru 82, also Refer to Menasco S/B 32-30)

Jun 17, 1983
DHC-6 6/147

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

Jun 7, 1968
DHC-7 7-24-1

A.C. Generator -- Introduction of Upgraded Generator AE2132 MK1
(A/C 4)

May 5, 1978
DHC-2 TB/56

Non-Approved Components & Installations

Dec 16, 1983
DHC-7 7-57-21

Wings - Inboard Leading Edge Nose Lower Spar Cap Fastener Replacement
- Modification 7/2359
(A/C 1 thru 98)

Apr 19, 1984
DHC-7 7-32-52

Landing Gear - Nose Landing Gear
-  Actuator Hydraulic Hoses
-  Special Inspection
-  Modification 7/2272 (A/C 1 thru 94)

Jan 28, 1983
DHC-7 7-11-31

Placards and Markings - Additional Current Limiting Labels
- Modification 7/2455
(A/C 3 thru 102)

Sep 13, 1985
DHC-7 7-25-14

Furnishings - Reduction of Crew Seat Travel
- Modification 7/1750
(A/C 1 thru 27)

Nov 21, 1980
DHC-7 7-53-13

Airstair Door - Rework to Lower Pressure Stops on Fuselage Frame
- Modification 7/1766
(A/C 1 thru 22)

Sep 26, 1980
DHC-6 6/405

Aileron Servo Tab Control - To Increase Clearance
Mod. 6/1773
(A/C 1 thru 739)

Jun 6, 1981
DHC-6 6/243

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

May 8, 1970
DHC-7 7-27-72

Flight Controls - Spoiler Control Servo Assembly - Special Inspection of Attachment (Effectivity - Refer to Parker S/B 265100-27-112)

Jul 19, 1985
DHC-7 7-32-73

Landing Gear - Nose Wheel Cracking - Special Inspection
(A/C 1 and Sub.)

May 24, 1985
DHC-6 6/325

Pressure Altimeters - Replacement of Possible Defective Instruments
(A/C 385, 406, 410, 414, 415, 417, thru 425, 427 thru 434, 436 thru 443 and 447 Plus Spares)

Feb 21, 1975
DHC-6 6/163

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

Sep 25, 1968
DHC-6 6/67

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

Dec 18, 1967

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