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 121 - 140 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-53-15

Flap Control System - Inspection for Cracking and Strengthening of Lower Surface of Flap Track No. 1
- Modification 7/1792
(A/C 1 thru 23)

Nov 7, 1980 Nov 27, 1981 'A'
DHC-7 7-26-12

Fire Protection - Hand Held Fire Extinguishers - Change of Vendor
- Modification 7/2588 (A/C 3 and Sub.)

Dec 7, 1990
DHC-7 A7-34-29

Navigation - Pitot Head Replacement
- (A/C 86, 89, 91, 94 and 95 and any others which have retrofit of Modification 7/2233 installed)

Jan 6, 1984
DHC-7 7-24-62

Electrical Power - Additional Bus Bars Installation
- Modification 7/2515
(A/C with Modification 7/2254)

Aug 29, 1986
DHC-7 7-32-76

Main Landing Gear - Wheel Assembly
- Procedure for Lubtork of Tie Bolts, Washers, Nuts and Wheel Painting (A/C with Wheel Assembly 3-1354)

Oct 4, 1985
DHC-7 7-79-6

Oil - Oil Cooler Drain Valve Replacement
-  Modification 7/2409
(A/C 1 thru 112)

Jun 28, 1985
DHC-7 7-23-7

Communications - Improved to Cockpit Voice Recorder Tape Circuits
(All A/C with Sundstrand Voice Recorder Installed)

May 8, 1981
DHC-7 7-31-7

Communications - Cockpit Voice Recorder
-  Rework to Prevent Loss of Input
- S.O.O. 7141
(A/C 54, 62 and 66)

Apr 8, 1982
DHC-7 7-57-39

NOT ISSUED

DHC-7 7-11-12

Avionics - Emergency Locator Transmitter Battery - Installation of Label
- Modification 7/1742
(A/C 1 thru 22)

Nov 7, 1980
DHC-7 7-28-4

Fuel System - Boost Pump Wiring - To Install Protective Sleeve
- Modification 7/1572
(A/C 1 thru 17)

Apr 18, 1980 Jun 9, 1980 'A'
DHC-7 7-28-5

Fuel System - Refuel Adapters Assembly Housing and Refuel Hose Shroud Replacement
- Modifications 7/1666, 7/1686 and 7/1723 (A/C 1 thru 28 - Modification 7/1666)
(A/C 1 thru 14 - Modification 7/1686)
(A/C 1 thru 23 - Modification 7/1723)

Aug 15, 1980 Apr 10, 1981 'A'
DHC-7 7-53-32

Fuselage - Replacement of Fasteners in Nose Landing Gear Drag Strut Attachment Fittings
- Modification 7/2572
(All A/C)

Mar 15, 1991
DHC-7 7-27-17

Flying Controls - Flap Transmission Shafting - Replaceable Steady Bearings
- Modification 7/1442
(A/C 1 thru 10)

May 9, 1980
DHC-7 7-35-4

Oxygen - Installation of Portable First Aid Oxygen Cylinder (625 Liters) in Aft End of Cabin
- S.O.O. 7172
(A/C 3 and Sub.)

Apr 25, 1986
DHC-7 7-25-10

Oxygen System - Insulation Blanket for Bottles
- Modification 7/1724
(A/C 1 thru 24)

May 30, 1980 Jan 23, 1981 'A'
DHC-7 A7-32-93

Landing Gear - Main Gear Upper Lock Strut - Special Inspection
(All Aircraft)

Jan 30, 1989
DHC-7 7-23-24

Communications - Flight Attendant's Emergency Mask Mic Installation Provisions - Modification 7/2581 (A/C 1 and Sub.)

Apr 7, 1989
DHC-7 7-32-13

Nose Landing Gear - To Provide for Door Closure with Gear Extended
- Modification 7/1343 (A/C 3, 9 and 10)

Mar 28, 1980 Sep 10, 1982 'A'
DHC-7 7-61-15

Propellers - Extension Dome Assembly
-  Increased Radius On Bellcrank Support
-  Hamilton Standard S/B 61-1031
(Effectivity - See Hamilton Standard S/B 61-1031)

Jun 25, 1982 Nov 16, 1984 'B'

Pages