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 41 - 60 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/531

NOT ISSUED

DHC-7 7-76-10

Engine Controls - Nacelle Firewall Cable Seal Replacement
- Modification 7/2362
(A/C 1 thru 103)

Aug 17, 1984
DHC-6 6/115

A/C Power Supply System - OneTime Inspection and Rectification
(A/C 1 thru 135)

Apr 1, 1968
DHC-6 6/451

Propellers - Replacement of Mounting Bolts and Revised Torquing Procedures
(All A/C)

Nov 11, 1983
DHC-7 7-57-21

Wings - Inboard Leading Edge Nose Lower Spar Cap Fastener Replacement
- Modification 7/2359
(A/C 1 thru 98)

Apr 19, 1984
DHC-6 6/35

Engine Performance Data Plate Speed Check Curve (6P5)
(All A/C with PT6-20 engines)

Jul 10, 1967
DHC-7 7-27-78

Flight Controls - Introduction of Improved Ground Spoiler Selector Valve No. 1
- Modification 7/2484
(A/C 3 and Sub)

Mar 24, 1989
DHC-7 7-53-13

Airstair Door - Rework to Lower Pressure Stops on Fuselage Frame
- Modification 7/1766
(A/C 1 thru 22)

Sep 26, 1980
DHC-3 3/14

Tail plane Hinge Bolts C3T23-5 - Special Inspection

Apr 2, 1971
DHC-7 7-26-10

Fire Protection - Introduction of Alternative Automatic Fire Extinguisher, above Waste Container in Lavatory
- Modification 7/2550
(A/C 1 thru 110)

May 22, 1987
DHC-6 6/291

Engine Fuel System - 10 Micron High Pressure Fuel Filter
Mod. 6/1442
(A/C 1 thru 342 with S.O.O. 6117)

Mar 9, 1972
DHC-2 2/06

See TB/21

DHC-7 7-24-60

Electrical Power - A.C. System 400 Hz
-  Replacement of Paralleling Control Box
-  Modification 7/2459 (A/C 1 thru 107)

Nov 29, 1985
DHC-7 7-32-74

Landing Gear Selector Valve Restrictor - Special Inspection
(A/C 1 thru 107)

Jul 19, 1985
DHC-6 V6/0004

Inspection for Hinge Boom C6WM1057-30 Installed on DHC-6 S/N 603

Apr 6, 2011
DHC-7 7-79-4

Oil Cooler Drain Valve Installation
-  Modification 7/1536 (A/C 3 thru 23)

Oct 16, 1981
DHC-7 7-23-5

Cockpit Voice Recorder - Self-Test Mod. (A/C 1 and Sub. as required)

Jun 6, 1980
DHC-6 6/131

Engine Nacelle - Access Panel
Mod. 6/1140
(A/C 1 thru 80)

Jul 12, 1968
DHC-7 7-31-5

Flight Data Recorder System - Jumper Wire In Caution Lights System Control Box -  Special Inspection
(A/C 3 thru 53 with S.O.O. 7021 or 7110)

Oct 2, 1981
DHC-6 6/467

Autoflight - Collins Steering Computer - Replacement of Capacitor
(A/C with Collins Steering Computer 562A-5G S/N 1450 MCN1622)

Sep 17, 1984

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