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 2/52

See TB/60

DHC-2T A2/53

Not Applicable

DHC-2T 2/54

Not Applicable

DHC-2T 2/55

Wing Strut Assembly Lower Attachment Fittings -Eddy Current Inspection

Jun 23, 2006
DHC-2T 2/39

Seats and Their Attachments - Continuing Integrity

Aug 31, 1984
DHC-7 7-26-2

Power Plant - Fire Detection System Sensing Element Replacement
- Modification 7/1721
(A/C 1 thru 40)

Aug 15, 1980 Jan 13, 1981 'A'
DHC-7 7-34-19

Navigation - Flight Director Instrument System - Modification to Repair Nylon Gear and Gear Mounting Post Failures (A/C Equipped with Sperry Flight Systems Radio Deviation Indicators 2592920
Serial Number XXXX4899 and below)

Apr 8, 1982 Nov 19, 1982 'A'
DHC-7 7-24-52

Electrical System - Wing Root Terminal Block Relocation
- Modification 7/2317 (A/C 3 thru 112)

Apr 6, 1984
DHC-7 7-32-66

Landing Gear - Tail Bumper Support Fitting
-  Steel Saddle Clip Installation
-  Modification 7/2386
-  Modification 7/2386 (A/C 1 thru 112) (A/C 1 thru 112)

Jun 29, 1984 Mar 29, 1985 'A'
DHC-7 7-77-5

Engine Indicating - Torque Pressure Transmitter Vibration Isolators Replacement
- Modification 7/2232
(A/C 1 thru 113)

Apr 19, 1984
DHC-7 7-22-17

Not issued

DHC-7 7-30-26

Ice and Rain Protection - Deicer Distributor Valve - Incorporation of High Temperature Components
- Modification 7/2551
(A/C 1 thru 108)

Dec 18, 1987
DHC-7 7-57-29

Wings - Installation of Stainless Steel Washers on Heat Shields
- Modification 7/2507
(A/C with Modification 7/2414)

Aug 1, 1986 Apr 15, 1988 'B'
DHC-7 7-11-2

External Fuel System Markings - Label Revision at Pressure Refueling Point
- Modification 7/1296 (A/C 1, 2 and 4)

DHC-7 A7-27-86

Flight Controls - Special Inspection and Rectification of Flap Indication Circuit in Flap Position Trim Control Box Assembly Serial Numbers 3 and subsequent with Modification 7/2093. Aircraft with Customer Special Installation 78358 (flap indication rework) are excluded

Dec 19, 1991
DHC-7 7-53-21

Fuselage Structure - To Provide Drain Trough Under Centre Floor Panel
- Modification 7/1914
(A/C 1 thru 72)

Feb 26, 1982
DHC-7 7-27-6

Wing Ground Spoilers - To Inspect, Replace and/or Repair Hinge Arm
- Modification 7/1456
(A/C 1 thru 4, 7 and 9)

Sep 1, 1978 Jan 5, 1980 'B'
DHC-7 7-34-35

Navigation - Ground Proximity Warning System - Installation of Steep Approach Adapter
- S.O.O. No. 7181
(A/C 1 and Sub.)

Mar 6, 1987 Oct 30, 1987 'B'
DHC-7 7-24-68

Electrical Power - Special Inspection and 02 Aug 91 Rectification of AC Generator Feeder Cables for
Chafing Inside AC Contactor Boxes All aircraft

Aug 2, 1991
DHC-7 7-32-82

Landing Gear - Welded Assemblies for Main Landing Gear Door Mechanism Mounting Bracket
- Modification 7/2512 (A/C 1 and Sub.)

Oct 17, 1986 Dec 12, 1986 'A'

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