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 221 - 240 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
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-2 V2/0002

Not issued

DHC-7 7-25-43

Furnishings - Improved Aft Fuselage Under-Floor Access
- Modification 7/1352 (A/C 3 thru 27)

Jun 10, 1983
DHC-2 TB/38

Components Installed in de Havilland Aircraft of Canada Ltd. (DHC) Products

Jun 2, 1971
DHC-7 7-24-32

Electrical Power - Busbar Protection Unit ZA29702 - Lucas Aerospace Modifications 5409U and 545OU
All A/C with above unit Installed)

Mar 27, 1981
DHC-7 7-73-5

Engine Fuel and Control - Fuel Flow Trans. Temperature Compensation Resistor
-  Relocation and Electrical Connector Replacement
-  Modification 7/2347
(A/C 3 thru 86, 89, 91, 94 and 95)

Oct 14, 1983
DHC-7 7-21-27

Air Conditioning - Replacement of Dual Gasper Fans
(A/C 1 and Sub. with S.0.0.7080)

Sep 13, 1985
DHC-6 6/103

Flap System - Check Valve Introduction
Mod. 6/1084
(A/C 1 thru 105)

Feb 23, 1968
DHC-6 6/439

Airstair Door - Handle Guard Replacement
Mod. 6/1778
(A/C 1 thru 230 Incorporating S.O.O. 6025
(Airstair Door) and A/C 231 thru 810)

Oct 1, 1982
DHC-7 7-57-9

Wing Structure - Spoiler Hinge Arm and Drain Seals - Change of Seal Material
- Modification 7/1683
(A/C 3 thru 27)

Nov 20, 1981
DHC-6 6/23

Icing Limitation - Clarification of Temporary Placard - See S/B 6
(A/C 1 thru 46)

May 16, 1967

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