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 1696

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/481

Air Conditioning - Power Cable Terminals - Inspection and Replacement - to introduce Parker Hannifin S/B 084
(All A/C with S.O.O. 6109)

Nov 8, 1985
DHC-7 7-21-1

Nose Avionics Bay - Additional Cooling Fan
- Modification 711378 (A/C 3, 4, 7 and 9)

Aug 31, 1978
DHC-2 2/33

Not applicable

DHC-7 7-29-2

Wheel Brake Shuttle Valves - Installation of Filter Fittings
- Modification 7/1443
(A/C 1 thru 4, 7 and 9)

Sep 29, 1978
DHC-7 7-27-42

Flight Controls - Improved Ground Spoiler Selector Valve
- Modification 7/2003
(A/C 1 thru 51)

Mar 12, 1982
DHC-6 6/244

Engine Fuel Drain System
Mod. 6/1330
(A/C 1 thru 230)

Jun 5, 1970
DHC-7 7-25-35

Furnishings - Floor Drain System Tubing Replacement
- Modification 7/1774
(A/C 1 thru 52)

Jan 29, 1982
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-6 6/164

Fuel System - Check Valves with Thermal Relief - Introduction
Mod. 6/1158
(A/C 1 thru 230)

Sep 27, 1968
DHC-6 6/369

Cabin Rear Bulkhead Swing Doors
Mod. 6/1613
(All A/C)

Feb 24, 1978
DHC-6 6/65

Elevator Left-Hand - Rear Spar Re-Enforcement - Supersedes S/B 6/59
Mod. 6/1135
(A/C 1 thru 105)

Dec 12, 1967
DHC-7 7-24-22

400 Hz Inverters - Deletion of Power Factor Correction Capacitors
- Modification 7/1690
(A/C 1 thru 27)

May 23, 1980
DHC-6 6/289

Floatplane Spreader Bar Lug Assembly
Mod. 6/1429
(A/C 1 thru 350 with Floats)

Jan 27, 1972
DHC-3 3/44

Control Cables - Turnbuckle MS21251B Precautionary Inspection

Jun 7, 1985
DHC-6 6/497

NOT ISSUED

DHC-7 7-21-17

Air Conditioning - Improved Gasper Outlet Valves
- Modification 711 924
(NC 13 thru 72)

Apr 12, 1982
DHC-7 7-29-18

Hydraulic System - High Temperature -  Fairlead
Modification 7/2398
(A/C 1 thru 112)

Nov 16, 1984
DHC-6 6/417

Flap System - Revision to Flap Hydraulic Actuator Forward Support
Mod. 6/1748
(A/C 1 thru 744)

Jan 8, 1982
DHC-7 7-27-58

Flight Controls - Aileron and Elevator Roll and Pitch Disconnect Handle - Pull Out Load Reduction
- Modification 7/1910 (A/C 1 thru 62)

Nov 25, 1983
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

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