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, DHC-2 to DHC-7

View LIST

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact technical.publications@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 Technical Publications Administrator.

Displaying 221 - 240 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
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 7-32-28

Tail Bumper - To Increase Strength of Installation
- Modification 7/1293
(A/C 1 thru 12)

Sep 5, 1980
DHC-6 6/501

Ice and Rain Protection - Horizontal Stabilizer Deicer Boots - Automatic Inflation During Flap Extension
Mod. 6/1874
(A/C with S.O.O. 6004 Incorporated)

Mar 25, 1988
DHC-6 6/85

Pilot's Seat - Arm Rest Attachment Improvement
Mod. 6/1091
(A/C 1 thru 46)

Jan 16, 1968
DHC-7 7-29-8

Roll Spoiler Hydraulic Piping - Replacement of Pressure and Return Pipes
- DHC E.O. 72082
(A/C 21 thru 29)

Oct 17, 1980
DHC-6 6/05

Fuel Boost Pump - Operating Instructions in
Case of Failure
(A/C 1 thru 35)

Jan 24, 1967
DHC-7 7-27-48

Flight Controls - Trailing Flaps Magnetic Switch Wiring Rework
- Modification 7/1937
(A/C 1 thru 92)

Dec 22, 1982
DHC-6 6/341

De-Icer Boots - Special Inspection and Serviceability Criteria
(A/C 311 thru 490 with De-Icing Boots and Prior to 311 with B.F. Goodrich Type 25 S Boots)

Dec 19, 1975
DHC-2 V2SB001

DHC-2 Type Certificate Ownership Transfer

Feb 1, 2006
DHC-7 7-25-41

Life Raft - Cover Panels - Improved Retention
-  Modification 7/2194
(A/C 10, 20, 40 and 51 - these A/C incorporate S.O.O. 7045 -  Ditching Provisions and Survival Equipment)

Feb 11, 1983
DHC-6 6/261

Wing Tip Fuel Tank Filter
Mod. 6/1398
(A/C 1 thru 285)

Oct 30, 1970
DHC-7 7-33-21

Lights - Flight Compartment Utility Lighting Rheostat Switch Change
- Modification 7/2565
(All A/C)

Sep 2, 1988
DHC-6 V6/0051 ASB

DHC-6 Series 400 A/C Affected by Pratt & Whitney Canada (ASB) PT6A-72-A1742 Turboprop Engine Compressor Turnbine Blades - Inspection/Replacement  S/N 885 thru 896

Apr 17, 2014
DHC-2 TB/36

Transmittal Document for Modification Bulletin T2/2062 - "Range Markings - Propeller & Gas Generator Tachometer - To Recalibrate" (Refer to Mod. Bulletin for Data)

Feb 6, 1970
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-6 6/517

Wings - Lower Skin and Leading Edge Rivets at Front Spar - Inspection and Replacement
Mods. 6/1645 and 6/1893
(All A/C)

Aug 10, 1993
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 6/101

Airstair Door - Safety Guard Installation - Label Change
Mod. 6/1068
(A/C 1 thru 60)

Feb 21, 1968
DHC-7 7-57-7

Wing and Nacelle Structure - Barrel Nut Replacement
- DHC E.O. 72145
(A/C 28 thru 42 less 40)

Apr 28, 1981
DHC-6 6/21

Fuel Shut-off Control System Rigging Check
(All A/C with Bendix FCU DP-F2 Part No. 2524245)

May 10, 1967

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