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 101 - 120 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
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 7-57-36

NOT ISSUED

DHC-7 7-11-9

Cabin Pressure Data Label
- Modification 7/1659 (A/C 1 thru 17)

Mar 7, 1980
DHC-7 7-28-1

Fuel System Level Control (Secondary) -  To Ensure Operation of Press -To-Test Indicator Lights During Refueling Operation
-  Modification 7/1253
(A/C 1, 2 and 4)

Mar 23, 1979
DHC-7 7-53-28

Front Fuselage - Flight Compartment Drainage Provisions
- Modification 7/2073
(A/C 3 thru 75 less 68)

Mar 23, 1984
DHC-7 7-27-13

Flap Control System - Primary Torque Tube - Special Inspection
(A/C 1 thru 14)

Sep 19, 1979 Oct 15, 1982 'A'
DHC-7 7-34-42

Navigation - Horizontal Situation Indicator (HSI) Power Supply -  Revised Circuit Breaker Connection
-  Modification 7/2612 Serial Numbers 1 thru 113 with Standard Option Only 7014-1

Jul 3, 1992 Mar 17, 1995 'A'
DHC-7 7-25-6

Furnishings - To Provide New Stowage Containers for Improved Food Table Assemblies
- Modification 7/1334 (A/C 1 thru 7, 9 and 10)

Apr 30, 1979 Jan 18, 1980 'A'

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