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 61 - 80 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-52-32

Airstair Door - Damper Assembly Engagement and Door Spring Operating Mechanism -  Inspection, Rectification and Modification
-  Modifications 7/2363 and 7/2364
(A/C 3 thru 112)

Nov 25, 1983 Jan 20, 1984 'A'
DHC-7 7-25-54

NOT ISSUED

DHC-7 7-34-10

Avionics - ADF Sense Antenna
-  Installation of Mast Gaskets
-  Modification 7/1799
(A/C 1 thru 47 with S.O.O. 7004)

Apr 10, 1981
DHC-7 7-24-43

Electrical System - Crash Fire Precautions -  Power Supply Change
-  Modification 7/2015 (A/C 3 thru 92)

Jan 14, 1983
DHC-7 7-32-57

Nose Landing Gear - Improved Steering Electronic Control Module
-  Modification 7/1917
(A/C 1 thru 82, also Refer to Menasco S/B 32-30)

Jun 17, 1983
DHC-7 7-76-9

Engine Controls - Introduction of Strengthened Cam Cluster Bearing Retention Plates
- Modification 7/2313
(A/C 3 thru 112)

Feb 24, 1984 Aug 17, 1984 'A'
DHC-7 7-22-8

Auto Flight - Autopilot Controller -  Deletion of Turn Control Knob
-  Modification 7/2334
(A/C 3 thru 86, 88, 89, 91, 94 and 95)

Aug 19, 1983 Jun 21, 1996 'B'
DHC-7 7-30-17

Ice and Rain Protection - Windshield Wiper Motor/Converter Access Rework
-  Modification 7/2273
(A/C 3 thru 112)

Jul 6, 1984
DHC-7 7-57-20

Wing Lower Surface - Inner and Outer Nacelles - Change of Drag Angle Fasteners
Modification 7/2293
(A/C 3 thru 112 less 102 and 104)

May 4, 1984 Sep 14, 1984 'A'
DHC-7 7-27-77

Flight Controls - Rudder Trim Control -  Audible Warning
-  Modification 7/2500
(A/C 1 thru 112)

Jun 27, 1986 Jul 31, 1987 'B'
DHC-7 7-53-12

Airstair Door Pressure Stops - Special Inspection
(A/C 3 thru 22)

Apr 25, 1980 Jun 9, 1980 'A'
DHC-7 7-26-9

Fire Protection - Lavatory Smoke Detector Switch and Indicator Light
- Modification 7/2539
(A/C 1 and Sub.)

Mar 20, 1987
DHC-7 7-34-26

Navigation - Pitot Tube Replacement
- Modification 7/2233 (A/C 1 thru 96)

Apr 29, 1983 Apr 6, 1984 'A'
DHC-7 7-24-59

Electrical Power - Flight Compartment Circuit breakers - Installation of Colour Coded Discs
- Modification 7/2404
(A/C 3 and Sub. without S.O.O. 7137)

Jan 17, 1986
DHC-7 7-32-73

Landing Gear - Nose Wheel Cracking - Special Inspection
(A/C 1 and Sub.)

May 24, 1985
DHC-7 7-79-3

Oil Cooler Exhaust Ducts - To Reinforce
-  Modification 7/1566
(A/C 1 thru 19)

Aug 15, 1980
DHC-7 7-23-4

Passenger Address System - To Introduce Flight Compartment P.A. "IN USE" Indicator Light
- Modification 7/1348
(A/C 1 thru 12)

Apr 25, 1980
DHC-7 7-31-4

Flight Data Recorder System - Incorrect Wiring Termination
-  Modification 7/2056
(A/C 3 thru 39, 50 and 51 with S.O.O. 7021)

Sep 25, 1981
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-7 7-57-37

Wings - Special Inspection and Replacement of Wing/Fuselage Attachment Joint Bolts
(All DHC-7 Aircraft)

Aug 8, 1997 Aug 27, 1999 'B'

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