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 201 - 220 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-57-22

Wings - Vortex Generator Replacement
- Modification 7/2358
(A/C 1 thru 112)

May 11, 1984
DHC-6 6/36

Landing Gear Main - Prevention of Rebound Bolt Vibration
Mod. 6/1031
(A/C 1 thru 17)

Jul 10, 1967
DHC-7 7-27-79

Flight Controls - Introduction of Improved Ground Spoiler Selector Valve No. 2
- Modification 7/2485
(A/C 3 and Sub.)

Mar 24, 1989
DHC-6 6/372

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

May 5, 1978
DHC-7 7-53-14

Airstair Door - Replacement of Pressure Stop Wear Plates
- Modification 7/1870
(A/C 1 thru 27)

Sep 26, 1980
DHC-3 3/15

Engine Compartment Fire Extinguisher - Introduction of Graviner Type 161A

Feb 10, 1971
DHC-7 A7-34-29

Navigation - Pitot Head Replacement
- (A/C 86, 89, 91, 94 and 95 and any others which have retrofit of Modification 7/2233 installed)

Jan 6, 1984
DHC-2 2/08

See TB/38

DHC-7 7-24-62

Electrical Power - Additional Bus Bars Installation
- Modification 7/2515
(A/C with Modification 7/2254)

Aug 29, 1986
DHC-7 7-32-76

Main Landing Gear - Wheel Assembly
- Procedure for Lubtork of Tie Bolts, Washers, Nuts and Wheel Painting (A/C with Wheel Assembly 3-1354)

Oct 4, 1985
DHC-6 V6/0006

NOT ISSUED

DHC-7 7-79-6

Oil - Oil Cooler Drain Valve Replacement
-  Modification 7/2409
(A/C 1 thru 112)

Jun 28, 1985
DHC-7 7-23-7

Communications - Improved to Cockpit Voice Recorder Tape Circuits
(All A/C with Sundstrand Voice Recorder Installed)

May 8, 1981
DHC-6 6/133

Propeller Reversing Control - Revised Warning System
Mod. 6/1139
(A/C 1 thru 116)

May 4, 1968
DHC-7 7-31-7

Communications - Cockpit Voice Recorder
-  Rework to Prevent Loss of Input
- S.O.O. 7141
(A/C 54, 62 and 66)

Apr 8, 1982
DHC-7 7-57-39

NOT ISSUED

DHC-7 7-11-12

Avionics - Emergency Locator Transmitter Battery - Installation of Label
- Modification 7/1742
(A/C 1 thru 22)

Nov 7, 1980
DHC-6 6/53

Engine Vibration Isolator Assy. Notification
(All A/C)

Oct 10, 1967
DHC-6 6/389

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

Nov 30, 1979
DHC-7 7-53-31

Fuselage - Introduction of New Nose Landing Gear Outer Drag Strut Attachment Fitting
- Modification 7/1328
(A/C 3 thru 27)

Dec 15, 1989

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