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 61 - 80 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-2 TB/22

Tail Ski - Combination Type - To Introduce Extension

Apr 22, 1968
DHC-7 7-24-16

Electrical Harness - Main and Nose Landing Gear - To Improve Reliability
- Modification 7/1693 (A/C 1 thru 14)

Mar 7, 1980
DHC-6 6/167

Airstair Door Extension Step
S.O.O. 6065
(A/C 1 thru 230)

Nov 12, 1968
DHC-7 7-32-30

Main Landing Gear Wheels - Insert and Drive Lug Repair Limits
(All A/C)

Sep 5, 1980
DHC-6 6/503

Landing Gear - Rework of Brake Assembly Housing
(A/C with Brake Assembly P/N 9550377-1 Installed)

Oct 7, 1988
DHC-7 7-71-13

Power Plant - Introduction of Improved Power Turbine Blades -  Pratt and Whitney S/B 4064R1
(Effectivity - See Pratt and Whitney S/B 4064R1)

Feb 12, 1982
DHC-7 7-21-11

Conditioned Air System - Water Separator Insulation
- Modification 711 630
(A/C 1 thru 34)

Sep 5, 1980
DHC-6 6/423

Fuel Boost Pump/EMI Filter Bleed Resistor Installation
Mod. 6/1784
(A/C 1 thru 780 having S.O.O. 6173 or Mod. 6/1688 Incorporated)

Apr 23, 1982
DHC-7 7-55-10

Stabilizers - Installation of Water Deflector Over Elevator Servo Assembly
- Modification 7/2605
All Aircraft

Oct 25, 1991
DHC-6 6/07

Fuel Crossfeed Thermal Relief Check Valve - Rework
Mod. 6/1032
(A/C 1 thru 14)

Mar 10, 1967
DHC-7 7-27-50

Flight Controls - Ground Spoiler - Rigging Check -
DHC E.O. 72301
(A/C 1 and Sub.)

Jan 28, 1983
DHC-6 6/344

Static Selector Valve Replacement
Mod. 6/1506
(A/C 1 thru 490)

Mar 5, 1976
DHC-6 6/264

Air Speed Indicator and Operating Instructions Placard
Mod. 6/1291
(A/C 231 thru 270)

Nov 20, 1970
DHC-7 V7-33-01

DHC-7 - Fluorescent Light System Overheating - Ballast Replacement

Feb 28, 2008
DHC-6 V6/0054

Not Issued

DHC-2 TB/39

PT6-6 & -20 Engine Compressor Inlet Screens-Icing Restrictions

Jul 15, 1971
DHC-7 7-24-33

Electrical System - To Introduce Lever Lock Switches for Master Control on A.C. Control Panel Assembly
- Modification 7/1896
(A/C 1 thru 52)

Sep 11, 1981
DHC-6 6/184

Wheel - Skis Main - Installation of Torsion Spring Trim
Mod. 6/1236
(All A/C)

Sep 18, 1969
DHC-7 7-32-47

Nose Landing Gear - Downlock Mechanism Improvement
- Modification 7/2243
(A/C 3 thru 112)

Aug 20, 1982
DHC-6 6/520

Air Conditioning - Cockpit Cooling - Fan Replacement
- Mod 6/1897
(All A/C)

Jun 18, 1997

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