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 121 - 140 of 1693

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-29-9

Hydraulic System - Pressure Manifold Relief Valve - To Introduce Improved Type Valve
- Modification 7/1677
(A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-73-3

Fuel Flow Transmitter - Replacement -
Modifications 7/1781 and 7/1946
(A/C with Fuel Flow Transmitters TFF2911-2 or TFF2911-3)

Jun 19, 1981
DHC-6 6/355

De Vore Bleed Air System Guard Duct
Mod. 6/1614
(A/C 1 thru 532)

May 5, 1977
DHC-2T 2/42

Not Applicable

DHC-6 6/18

Overhead Console - Improved Throttle Lever Installation
Mod. 6/1025
(A/C 1 thru 35)

May 12, 1967
DHC-7 7-24-14

Electrical System - To Provide Independent Control of Inner and Outer Landing Lights
- Modification 7/1335 (A/C 3 thru 27)

Jan 5, 1980
DHC-7 7-57-10

Wing Structure - Flight and Ground Spoilers Hinge Arms and Shroud Seals
-  Change of Seal Material
-  Modification 7/1376 (A/C 3 thru 27)

Nov 20, 1981
DHC-7 7-26-4

Fire Protection - Fire Detection System Additional Wiring Support
- Modification 7/2234
(A/C 1 thru 113)

Jan 28, 1983
DHC-6 6/528

Landing Gear - Main - Inspection of Stay Strut End Fitting for Cotter Pin and Rectification
(All A/C)

Jun 18, 2001
DHC-7 7-53-1

Front Fuselage - Provision for Static Port Tester
- Modification 7/1254
(A/C 1, 2 and 4)

Apr 14, 1978
DHC-7 7-34-18

Aircraft Overspeed Warning System -  Alternate Overspeed Warning Switch and Mounting Rework
-  Modification 7/1997
(A/C 1 thru 62)

Aug 13, 1982
DHC-6 6/198

Electrical Power Supply - Blocking Diode
Mod. 6/1293
(A/C 1 thru 254)

Oct 22, 1969
DHC-7 7-32-45

Nose Landing Gear - Hydraulic Line Relocation
- Modification 7/1283 (A/C 1 thru 12)

Feb 12, 1982
DHC-6 6/448

Placards - Emergency Exit "EMERGENCY" Label Installation
Mod. 6/1697
(A/C 1 thru 667)

Jun 10, 1983
DHC-2 TB/52

Flight Controls - Rudder Horn - To Replace - Modification Bulletin T2/2077

Sep 23, 1981
DHC-7 7-32-65

Landing Gear - Normal Brake System Hydraulic Tube Assembly - Inspection and Forward Wing/Fuse Access Panel Rework
- Modification 7/2327
(A/C 3 thru 83, 85, 86, 89 and 94)

Apr 6, 1984
DHC-6 6/118

Engine Electrical System - Simultaneous Selection for Both Igniters
Mod. 6/1053
(A/C 6 thru 80)

Apr 3, 1968
DHC-6 6/119

Fuselage Bottom Skins - Drain Holes
Mod. 6/1130
(A/C 1 thru 135)

Mar 26, 1968
DHC-7 7-76-13

Engine Controls - Nacelle Throttle Quadrant
- Special Inspection for Fouling and Installation of Additional Washers to the Cable Guard Mounting Bolts
All Aircraft

Jan 28, 1994
DHC-6 6/372

Nose Landing Gear - Improved Fork Nut Lock
Mod. 6/1618
(A/C 1 thru 572)

May 5, 1978

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