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 241 - 260 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-53-6

Fuselage Frame Bolts - Special Inspection (A/C 3 thru 7 and 9 thru 11)
7-53-7Forward Cargo Floor Panels - Ensure Security
- E.O. 74181
(A/C 7, 9 and 10)

Jul 13, 1979
DHC-3 3/08

Cancelled and Superseded by Service Bulletin 3/12

May 17, 1968
DHC-7 7-26-4

Fire Protection - Fire Detection System Additional Wiring Support
- Modification 7/2234
(A/C 1 thru 113)

Jan 28, 1983
DHC-7 7-34-21

Navigation - Weather Radar - Installation Pressurized Wave Guide
- S.O.O. 7152
(A/C Serial Numbers 003 to 113 with Weather Radar System S.O.O. 7007)

Sep 24, 1982
DHC-2T V2/0002

Not Issued

DHC-2 TB/60

Fuselage - Special Inspection of Rear Bulkhead at Station 228

Aug 30, 1998
DHC-6 6/205

Cabin Right-Hand Door - To Improve Door Latch Mechanism Engagement
Mod. 6/1269
(A/C 171 thru 290)

Jan 30, 1970
DHC-7 7-32-68

Landing Gear - Landing Gear Warning Horn Level Reset
- Modification 7/2395 (A/C 3 thru 112)

Oct 19, 1984
DHC-6 V6/541

Wing - Front Spar Adapter Assembly (P/N C6WM1027- 1) - Installation of Inspection Holes in Lower Wing Skin
(All A/C)

Oct 1, 2007
DHC-7 7-78-1

Exhaust System - Replacement of Stack Fairing Assemblies
-  Modification 7/1593
(A/C 1 thru 27)

Jun 13, 1980
DHC-7 7-22-19

Not issued

DHC-6 6/125

Inspection Periods for Flap Selector Valve and Actuator - Drip Trays
(See S/B 6/128)

Apr 1, 1968
DHC-6 6/461

Placards and Markings - Installation of Icing Condition Operation Caution Label De-Iced Aircraft S.O.O. 6004 Mod. 6/1847
Non-Iced Aircraft Mod. 6/1848
(A/C 1 thru 808)

May 11, 1984
DHC-7 7-57-31

Wings - Internal Skin Panel Corrosion - Special Inspection
(A/C Serial Number 3 thru 101)

Nov 4, 1987
DHC-6 6/45

Vicker LV146 R100 Fuel Pump Improvement Notification
(A/C 1 thru 90)

Aug 30, 1967
DHC-7 7-27-88

Flight Controls - Flap Actuators - Removal of Screwjack Corrosion and Introduction of Improved Protection
- Modifications 7/2367, 7/2368 and 7/2369 Serial Numbers 003 thru 113

Sep 25, 1992
DHC-7 7-53-23

Fuselage - Additional Drainage Holes in Lower Fuselage
- Modifications 7/2270 and 7/2308
(A/C 1 thru 92 for Modification 7/2270, A/C 1 thru 99 for Modification 7/2308)

Sep 30, 1983
DHC-3 3/24

Transmittal Document - Modification Bulletin 3/914 - Fire Warning Light Replacement

Mar 14, 1975
DHC-7 7-34-37

Navigation - Radio Altimeter (RAD ALT) -  Installation of Isolation Diode in Decision Height Annunciation Circuit
-  Modification 7/2579
(A/C with S.O.O. 7182)

Mar 10, 1989
DHC-2 2/16

CANCELLED

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