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 61 - 80 of 1693

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 V6/0056

Incorporation of MOD 6/2380 - Red Fuel Emergency Shut-Off Switches 

Jun 7, 2016
DHC-7 7-28-15

Fuel - Fuel System Shut-Off Valve Replacement
- Modification 7/1880
(A/C 1 thru 132)

Jun 8, 1984
DHC-7 7-24-39

Electrical Power - D.C. Busbar Protection Unit ZA29702 - Lucas Aerospace Modification 5064CG (A/C 1 and Sub.)

Nov 13, 1981
DHC-2 2/15

Not applicable

DHC-6 6/405

Aileron Servo Tab Control - To Increase Clearance
Mod. 6/1773
(A/C 1 thru 739)

Jun 6, 1981
DHC-6 V6/0024

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

Oct 11, 2011
DHC-6 6/43

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

Aug 17, 1967
DHC-7 7-22-4

Auto Flight - Rework to AFCS Relay Box
- Modification 7/1920
(A/C 28 thru 34)

Jan 15, 1982
DHC-7 7-92-1

Cherrymax Rivets, Riveters and Pulling Heads - Conversion form Cherrylock Riveters

Oct 31, 1980
DHC-7 7-52-26

Airstair Door - Forward Handrail - Addition of Rubbing Strip
- Modification 7/2089
(A/C 3 thru 35) (A/C 36 thru 92 will be Modified to DHC E.O. 74867)

Nov 6, 1981
DHC-6 6/325

Pressure Altimeters - Replacement of Possible Defective Instruments
(A/C 385, 406, 410, 414, 415, 417, thru 425, 427 thru 434, 436 thru 443 and 447 Plus Spares)

Feb 21, 1975
DHC-7 7-57-19

Wings - Rear Mounting Adapter Plates -  Inspection, Rectification and Modification
-  Modification 7/2355 (A/C 1 thru 99)

Feb 24, 1984
DHC-6 6/487

Equipment/Furnishings - Baggage Compartment - Installation of Cover on Battery Relay Box
Mod. 6/1857
(All A/C with S.O.O. 6136)

Oct 3, 1986
DHC-3 3/22

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

Jan 10, 1975
DHC-7 7-25-33

Flight Compartment Doorlock - Rework and Replacement - Modification 7/1958
(A/C 1 thru 52)

Jan 8, 1982
DHC-6 6/130

Instrument System - Engine Driven Air Pumps for Incorporating Pressure Instruments
Mod. 6/1166
(A/C 1 thru 149)

Apr 19, 1968
DHC-7 7-34-4

Ground Proximity Warning System
-  Addition of Flap Override Switch
-  Modification 7/1435
(A/C 4, 5, 6 and 10 with G.P.W.S. S.O.O. 7013)

Oct 5, 1979
DHC-7 7-53-11

Fuselage Structure - Installation of Cleats - Special Inspection and Rectification
(A/C 7, 9 and 10)

Sep 26, 1980
DHC-7 7-29-4

Hydraulic System - Reservoir Overspill Container in Nacelles
- Modification 7/1530 (A/C 1 thru 27)

Jan 5, 1980
DHC-2 2/32

Aileron - Addition of Nose Caps to Mass Balance Weights

Apr 10, 1981

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