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 21 - 40 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-2T V2/0007 ASB

Inspection and/or Replacement of MS21042 Locknut in Horizontal Stabilizer (P/N C2TP1A)

Apr 29, 2013
DHC-2T 2/47

Stabilizer -Special Inspection for Cracks in the Front Spar of the Horizontal Stabilizer (and Rectification)

Jun 28, 1991 Jun 23, 2007 'E'
DHC-2T 2/48 ASB

Fuselage - Wing Struts - Inspection of the Lower Steel End - Fitting Area

Aug 10, 1993 Jun 1, 2015
DHC-2T 2/49

Not Applicable

DHC-2T 2/50

See TB/58

DHC-7 7-24-15

Electrical System - External Power Overvoltage Protection
- Modification 7/1563
(A/C 1 thru 27)

Jan 25, 1980 Sep 19, 1980 'A'
DHC-7 7-32-29

Nose Landing Gear - Shock Strut Assembly
-  Lubrication of Upper Roller Bearing
-  Modification 7/1921
(A/C 1 and Sub. with Nose Landing Gear Serial Numbers 001 thru 036)

Sep 5, 1980 Jan 9, 1981 'A'
DHC-7 7-71-12

Compressor Wash Installation
-  Modification 7/1524 (A/C 3 thru 27)

Aug 13, 1982
DHC-7 7-21-10

Pressurization System - Outflow Valves Noise Reduction
- Modification 711699
(A/C 1 thru 27, less 10)

Jun 20, 1980
DHC-7 7-29-9

Hydraulic System - Pressure Manifold Relief Valve - To Introduce Improved Type Valve
- Modification 7/1677
(A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-55-9

Horizontal Stabilizer - To Prevent Moisture Build-Up at Centre Attachment Fitting
- Modification 7/2329
(A/C 3 thru 99)

Sep 30, 1983 Jan 27, 1984 'B'
DHC-7 7-27-49

Flight Controls - Rework of Upper Aft Rudder
- Modification 7/2141
(A/C 3 thru 112)

May 13, 1983
DHC-7 7-52-20

Airstair Door - Hinge Installation -  To Correct Forward and Aft Location
-  Modification 7/1871
(A/C 3 thru 25)

Sep 26, 1980
DHC-7 7-25-42

Furnishings - Replacement of Baggage Compartment Gilliner Panels and Reposition of Retaining Cleats
- Modification 7/2006 (A/C 3 thru 92 and 94)

Sep 16, 1983
DHC-7 7-33-22

Lights - Emergency Battery Lighting Power Supply Change
(A/C with 60-1321-1 and 60-3844-1 Power Supplies)

Jun 9, 1989 Oct 13, 1989 'A'
DHC-7 7-24-31

A.C. Generator Types AE2132 MK2, MK3 and MK4 - Examination of the Drive End Bearing Mounting Arrangement at Stipulated Intervals
(All A/C with Generators Type AE2132MK2, MK3, MK4 Installed)

Mar 27, 1981 Nov 13, 1981 'B'
DHC-7 7-32-45

Nose Landing Gear - Hydraulic Line Relocation
- Modification 7/1283 (A/C 1 thru 12)

Feb 12, 1982
DHC-7 7-73-4

Engine Fuel and Control - Relocation of Fuel Flow Transmitter
- Modification 7/1953
(A/C 1 thru 73)

Sep 18, 1981 Mar 19, 1982 'B'
DHC-7 7-21-26

Air Conditioning - Bleed Air System Shunt Duct lnstallation
- Modification 712451
(A/C 3 and Sub. - Without Modification 711909)

Nov 1, 1985 Aug 1, 1986 'A'
DHC-7 7-30-5

Windshield Wipers - To Reduce Travel Arc
- Modification 7/1727
(A/C 1 thru 27)

Sep 19, 1980 Dec 12, 1980 'A'

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