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 1 - 20 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/283

Flap Position Indicator
Mod. 6/1404
(A/C 1 thru 290)

Jul 23, 1971
DHC-2T V2SB0001

DHC-2 Type Certificate Ownership Transfer

Feb 1, 2006
DHC-2 TB/58

Stabilizers - Installation of Access Cover and special Inspection of the Elevator Mass Balance Weight for Separation - Modification T2/2079

May 9, 1997
DHC-7 7-24-52

Electrical System - Wing Root Terminal Block Relocation
- Modification 7/2317 (A/C 3 thru 112)

Apr 6, 1984
DHC-6 6/203

Luminous Exit Signs in Cabin
(A/C 231 thru 290)

Mar 12, 1971
DHC-6 6/539

NOT ISSUED

DHC-7 7-77-5

Engine Indicating - Torque Pressure Transmitter Vibration Isolators Replacement
- Modification 7/2232
(A/C 1 thru 113)

Apr 19, 1984
DHC-7 7-22-17

Not issued

DHC-6 6/123

Aileron Gear Tab - Redesigned to Prevent Distortion Due to Handling
Mod. 6/1123
(A/C 1 thru 170)

Apr 1, 1968
DHC-7 7-30-26

Ice and Rain Protection - Deicer Distributor Valve - Incorporation of High Temperature Components
- Modification 7/2551
(A/C 1 thru 108)

Dec 18, 1987
DHC-6 6/459

Labels - Airspeed Placard Replacement
Mod. 6/1833
(A/C 231 and Sub. Operating Under the Jurisdiction of the British Civil Aviation Authority)

Feb 17, 1984
DHC-7 7-11-2

External Fuel System Markings - Label Revision at Pressure Refueling Point
- Modification 7/1296 (A/C 1, 2 and 4)

DHC-6 6/43

Engine Intake Anti-Icing Cautionary Information
(All A/C with Air Intake De-Icing)

Aug 17, 1967
DHC-7 A7-27-86

Flight Controls - Special Inspection and Rectification of Flap Indication Circuit in Flap Position Trim Control Box Assembly Serial Numbers 3 and subsequent with Modification 7/2093. Aircraft with Customer Special Installation 78358 (flap indication rework) are excluded

Dec 19, 1991
DHC-7 7-53-21

Fuselage Structure - To Provide Drain Trough Under Centre Floor Panel
- Modification 7/1914
(A/C 1 thru 72)

Feb 26, 1982
DHC-3 3/22

Transmittal Document - Modification Bulletin 3/915 - Fuselage Upper and Lower Rotating Beacon Light Lens

Jan 10, 1975
DHC-7 7-24-68

Electrical Power - Special Inspection and 02 Aug 91 Rectification of AC Generator Feeder Cables for
Chafing Inside AC Contactor Boxes All aircraft

Aug 2, 1991
DHC-6 6/219

Cabin Emergency Exit Flight Manual Stowage - Placard
Mod. 6/1364
(A/C 1 thru 330)

Feb 19, 1971
DHC-6 V6/0012

Instructions For Re-labeling DHC-6 Main Landing Gear Using Authorized Data Plate
(S/N 845 and 846)

Apr 6, 2011
DHC-7 7-23-13

Communications - Improved Mask Microphone
- Modification 7/2188
(A/C 1 thru 57, 59 thru 70 and 72 thru 76)

Jun 18, 1982

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