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 201 - 220 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-25-46

Equipment and Furnishings - Tail Strut Stowage Provisions
- S.O.O. 7160
(A/C 1 Sub.)

Jun 29, 1984
DHC-6 6/105

Battery Installation - Pressure Venting Elimination
Mod. 6/1080
(A/C 1 thru 105)

Mar 6, 1968
DHC-6 6/494

Wing Strut Assemblies - Continuing Integrity
(All A/C)

Oct 23, 1987
DHC-7 7-32-35

Wheel Bearing Tightening - Revised Instructions
- B.F. Goodrich S/B 392
(A/C 1 and Sub.)

Jul 9, 1982
DHC-6 6/414

Air Conditioning System - Performance Improvement Modifications
(All A/C Equipped with S.O.O. 6109)

Dec 15, 1981
DHC-7 7-71-21

Power Plant - Replacement of Rear Fireseal Bolt
- Modification 7/2322
(A/C 3 thru 112)

Feb 24, 1984
DHC-7 7-52-13

Ground Lock Stowage - Provision in Airstair Door
- Modification 7/1441
(A/C 3 thru 24)

Apr 11, 1980
DHC-7 7-29-15

Hydraulic Power - Engine Driven Pump -  Configuration Change
-  Modification 7/2246
(A/C 3 thru 99)

Apr 29, 1983
DHC-2T 2/49

Not Applicable

DHC-6 6/378

Power Plant - Oil Cooler Hoses
(A/C 231 thru 586)

Nov 3, 1978
DHC-7 7-57-1

Wing Fuel Tank Access Panels - Change of Bonding Adhesive
- Modification 7/1457
(A/C 3, 4, 7 and 9)

Oct 20, 1978
DHC-2 TB/37

Transmittal Document for Modification Bulletin T2/2063 "Fuel System - Improved Filtration" (Refer to Mod. Bulletin for Data)

Feb 13, 1970
DHC-7 7-26-1

Fire Protection System - Inspection of Fire Bottle Cartridge Connector
(A/C 1 thru 22)

Apr 11, 1980
DHC-6 6/67

Protective Treatment - Tailplane De-Icing Boots - Reapplication
(All A/C equipped with de-icing boots)

Dec 18, 1967
DHC-6 6/121

Elevator/Flap Interconnect Tab - Redesigned to Prevent Distortion Due to Handling
Mod. 6/1121
(A/C 1 thru 105)

Apr 1, 1968
DHC-7 7-24-47

Electrical - Relocation of Resistor 3120-R2 on Relay Panel No. 4 - Modification 7/2016 (A/C 28 thru 41 - Modification 7/1452 (Digital Elapsed Time Clock)
(A/C 42 thru 92 - Modification 7/2016 by E.O. 74908 Prior to Delivery)

Aug 20, 1982
DHC-6 6/510

Fire Protection - Introduction of New Portable Fire Extinguisher Type
Mod. 6/1889
(A/C with Mod. 6/1542 and E.O. 63513 Incorporated)

Feb 23, 1990
DHC-7 7-22-12

Auto Flight - Introduction of Auto Pilot Disconnect Audible Alert Unit
- S.O.O. 7186
(A/C 3 and Sub. without Modification 7/2545)

Mar 4, 1988
DHC-7 7-32-51

Main Landing Gear - Special Inspection of Retraction Actuator Rod End Securing Bolt
(A/C 3 and Sub.)

Mar 25, 1983
DHC-6 6/430

Power Plant - First Stage Reduction Planet Gear Bearing with Tin-Rich Overlay - To Introduce P & WC S/ B 1338
(All A/C)

Apr 12, 1982

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