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 1698

Bulletins RSS

Aircraft S/B No.sort ascending Title Original Issue Latest Issue
DHC-6 V6/0044

Fuel Gallery Corrosion Control

Sep 13, 2021 Oct 4, 2021 'A'
DHC-6 V6/0043

Autofeather Pressure Switch (P/N C6SC1125) Replacement

Aug 30, 2013
DHC-6 V6/0042

Self Locking Nut Replacement

May 24, 2013
DHC-6 V6/0041

Back EMF Voltage Spike Protection

Jun 4, 2013
DHC-6 V6/0040


DHC-6 V6/0038

Fuel System Tee P/N C6PFM1145-27 Inspection Replacement

Feb 28, 2013
DHC-6 V6/0037


DHC-6 V6/0036


DHC-6 V6/0035


DHC-6 V6/0034

Interior Placard Improvements

Jun 4, 2013
DHC-6 V6/0033

Pulley - Flap Follow-up Control System
(Series 300, S/N 751)
(Series 400, S/N 845 to 854)

Feb 6, 2012
DHC-6 V6/0032

Door Outer Handles Replacement
(Cancelled and Superseded by TB V6/00050)

Jul 16, 2013 Oct 21, 2014 'B'
DHC-6 V6/0031

Pitot Head - Increased Corrosion Protection

Mar 14, 2013
DHC-6 V6/0029


DHC-6 V6/0028


DHC-6 V6/0027


DHC-6 V6/0026

Incorrect Rivet Installations - Fuselage and Wings

Mar 7, 2013
DHC-6 V6/0025

Inspection of Fuel System for Part Mark Tapes

Feb 7, 2013
DHC-6 V6/0024

Internal Fuel Leak Test & Thermal Relief Check Valves
(S/N 1 thru 850)

Oct 11, 2011
DHC-6 V6/0023

Fuel Flow Divider - Snow Separator Actuator Interference

(S/N 845 thru 848)

Jun 22, 2012