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 1681 - 1697 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort ascending
DHC-6 6/67

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

Dec 18, 1967
DHC-6 6/178

To Seal Fuselage/Wing Root Apertures to Offset Cabin Interior Contamination
Mod. 6/1194
(A/C 1 thru 200)

Jan 29, 1969
DHC-7 7-11-31

Placards and Markings - Additional Current Limiting Labels
- Modification 7/2455
(A/C 3 thru 102)

Sep 13, 1985
DHC-6 6/98

Elevator Trim Controls - Swivel Pulley - Inspection and Rectification - (This S/B is Canceled by Incorporation of S/B 6/107)
(A/C 1 thru 105)

Feb 5, 1968
DHC-7 7-32-44

Main and Nose Landing Gear Wheel Assemblies - Improved Inboard Grease Seal DHC-7 Main Landing Gear Wheel Assembly 3-1354 Prior to Serial Number 691 and Nose Landing Gear Wheel Assembly 3-1368 Prior to Serial Number 440

Jan 15, 1982
DHC-7 7-25-19

Furnishings - Toilet Compartment -  Addition of Access Panel
-  Modification 7/1694 (A/C 1 thru 16) (17 thru 35 under de Havilland E.O. 74459)

Mar 27, 1981
DHC-7 7-32-73

Landing Gear - Nose Wheel Cracking - Special Inspection
(A/C 1 and Sub.)

May 24, 1985
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 7-24-17

Proximity Switch Rework - To Prevent Ingress of Moisture
(A/C 1 and Sub. as required)

Sep 5, 1980
DHC-7 7-57-11

Wing Forward Pick-Up Adapter Plates
-  Special Inspection and Rectification
-  Modification 7/2319
(A/C 1 thru 86 less Serial Numbers 78 and 84)
(A/C Serial Numbers 78, 84 and 87 and Sub. will have DH E.O. 72292 or this Modification Incorporated Prior to Delivery)

Dec 17, 1982
DHC-6 6/83

Jury Strut - Ground Equipment Rework
(A/C 1 thru 136)

Jan 15, 1968
DHC-6 6/194

Labels - Weight Limitations - Nose and Rear Baggage Compartments
(All A/C)

Jul 24, 1969
DHC-7 7-21-12

Cabin Pressurization Control and Drainage System - To Overcome Freezing in Severe Cold Conditions
- Modification 711 652
(A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-53-2

Flight Compartment - Installation of Sun Visors
- Modification 7/1234
(A/C 1, 2, 3, 4 and 7)

Sep 1, 1978
DHC-6 6/03

Fuel Boost Pump - Replacement or Rework of Seal Drain Tube
Mod. 6/1018
(A/C 1 thru 5)

Jan 13, 1967
DHC-6 6/114

Engine Controls - U.A.C.L. Special Instructions
(All A/C)

Mar 8, 1968
DHC-7 7-27-42

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

Mar 12, 1982

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