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 21 - 40 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-29-19

Hydraulic Power - Improved Tubing Installation
-  Modification 7/2475 (A/C 3 thru 110)

Feb 14, 1986
DHC-6 6/425

Power Plant - Fluorocarbon Oil Seals - To Introduce P & WC S/B 1255
(All A/C)

Apr 23, 1982
DHC-3 3/20

Transmittal Document - Modification Bulletin 3/913 - 'Battery Ground to Relocate'

Apr 26, 1974
DHC-6 6/292

Propeller Deicing Boots
Mod. 6/1441
(A/C 1 thru 350 with Prop Deicing)

Oct 25, 1972
DHC-6 6/207

Door Open Warning System Modified
Mod. 6/1239
(A/C 1 thru 260)

Jan 20, 1970
DHC-6 6/127

Heating System - Duct Material Change
Mod. 6/1074
(A/C 1 thru 135)

Apr 15, 1968
DHC-7 7-33-1

Wing Inspection Lights - To Adjust Beam Angle
- Modification 7/1276
(A/C 1, 2 and 4)

Apr 3, 1978
DHC-7 7-71-23

Power Plant - Improved Engine Mount Assembly - Incorporation of Shim
- Lord S/B SM6204-71-01

Oct 25, 1985
DHC-7 7-57-3

Flight Controls - Improved Aileron Circuit Cable Guard
- Modification 7/1344
(A/C 1, 2, 4 and 9)

Jul 20, 1979
DHC-7 7-11-14

Passenger Oxygen System - Addition of Labels to Stowage Bins
- Modification 7/1828
(A/C 1 thru 34)

Dec 5, 1980
DHC-7 7-92-5

Miscellaneous - Life Preservers -  Precautionary Inspection of Inflator Assembly
(A/C 1 and Sub.)

Mar 4, 1988
DHC-6 6/57

Anti-Collision Beacon - Grimes G8400A-24 Installation
Mod. 6/1116
(A/C 1 thru 70)

Oct 26, 1967
DHC-6 V6/0041

Back EMF Voltage Spike Protection

Jun 4, 2013
DHC-7 7-30-15

Deicing System - Mechanical Attachment 1 of Stall Bar to Wing Leading Edge
- Modification 7/2240
(A/C 3 thru 112)

Oct 28, 1983
DHC-3 3/36

Cherrymax Rivets and Riveters 31.10.80

Dec 1, 1980
DHC-7 7-25-33

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

Jan 8, 1982
DHC-6 6/308

Main Landing Gear Compression and Rebound Blocks - To Alter Material
Mod. 6/1469
(A/C 1 thru 370)

Jan 18, 1974
DHC-7 7-27-75

Flight Controls - Second Stage Flap Dump Solenoid Valve Rework
- Modification 7/2481
(A/C 3 and Sub. with Modification 7/1734

Dec 6, 1985
DHC-6 6/223

NOT ISSUED

DHC-6 6/143

Cockpit - Noise Level Reduction
Mod. 6/1079
(A/C 1 thru 60)

May 27, 1968

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