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 81 - 100 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-53-8

Nose Landing Gear Emergency Handpump Door - To Improve Operation
- Modification 7/1384 (A/C 1 thru 12)

Nov 23, 1979
DHC-3 3/09

Altimeter - Introducing Alternative

Jun 27, 1968
DHC-7 7-26-5

Fire Protection - Detection System Cable Assembly with Hermetically Sealed Connectors
- Modification 7/2148
(A/C 003 thru 122)

Oct 28, 1982
DHC-2 2/01

See TB/1

DHC-7 7-24-55

Electrical Power - D.C. Generator Control Unit Type U13866/1, U13866/2 and U13866/3
- Lucas Aerospace Modification 5184 CG (A/C 1 and Sub. with U13866 DC Generator Control Unit)

Feb 17, 1984
DHC-6 V6/542

Wing - Removal of Wing Front Spar (P/N C6WM1027-1) and replace with (P/N C6WM1027-3)

Oct 1, 2007
DHC-7 7-22-20

Automatic Flight Control System - Inspection/Replacement of Elevator and Aileron Servo Drive Part Numbers.
(A/C 3 thru 113)

May 29, 2006
DHC-6 6/126

Propeller Controls - Engine Nacelle - One Time Inspection for Fouling

Apr 8, 1968
DHC-7 7-30-29

Ice and Rain Protection - Windshield Wiper Control - Relocation of Current Limiting Resistor from Positive to Ground Side
- Modification 7/2562
(A/C 1 and Sub.)

Mar 3, 1989
DHC-6 6/462

Flight Control - Flap Selector and Indicator Installation of Additional Lighting Mod. 6/1609
(A/C 1 thru 530 not Incorporating S.O.O. 6161)

Jun 29, 1984
DHC-7 7-57-32

Wings - Rear Spar Fittings - Rework Aileron Cable Pulley Bracket
- Modification 7/2564 (A/C 3 and Sub.)

Apr 15, 1988
DHC-7 7-11-5

Propeller Limitation - Addition of Caution Label on Engine Instrumentation
- Modification 7/1370
(A/C 1 thru 8)

Aug 14, 1978
DHC-6 6/46

Low Pressure Fuel Warning Switch - Replacement
Mod. 6/1072
(A/C 1 thru 60)

Sep 14, 1967
DHC-7 7-27-89

Flight Controls - Adjustment Mechanism - Rudder Pedal - Bolt Inspection/Replacement All Aircraft

Oct 14, 1993
DHC-6 6/382

Air-conditioning - Single V-Belt Drive System
Mod. 6/1684
(All A/C)

May 18, 1979
DHC-7 7-53-24

Fuselage - Wing To Fuselage Fairing -  Improved Drainage Provisions
-  Modification 7/2305
A/C 1 thru 112)

Sep 16, 1983
DHC-3 3/25

Transmittal Document - Modification Bulletin 3/916 - Link Belt Silent Chain

Sep 19, 1975
DHC-7 7-27-9

Elevator - Rework of Spring Tab Push Rod Fairing Attachment
- Modification 7/1489 (A/C 1 thru 4, 6, 7 and 9)

Feb 23, 1979
DHC-7 7-34-38

Navigation - Ground Proximity Warning System (GPWS) - Activation of Steep Approach Adapter at 45 Degrees Flaps Only
- Modification 7/2569
(A/C 1 and Sub. with S.O.O. 7181)

Jun 15, 1990
DHC-2 2/17

Not applicable

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