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 81 - 100 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/49

Fuel Boost Pump - Introducing Standby Emergency Switch
Mod. 6/1086
(A/C 1 thru 78)

Sep 20, 1967
DHC-7 V7-27-02

Solenoid Valve Second Stage Flap Dump - Screw Replacement

Oct 18, 2007
DHC-7 7-53-27

Fuselage - Insulation Support
- Modification 7/2247
(A/C 1 thru 112)

Feb 24, 1984
DHC-3 3/28

Elevator Control Lever Assembly - Inspection

Nov 26, 1976
DHC-7 7-27-12

Rudder Pedals Tube Assembly - Special Inspection
(A/C 3 thru 7, 9, 10 and 11)

Aug 17, 1979
DHC-2 2/20

Not applicable

DHC-6 6/225

DC Electrical Attitude and Directional Gyro Indicators
S.O.O. 6154
(A/C 6 thru 57)

Dec 17, 1971
DHC-7 7-32-88

Landing Gear - Nose Gear Steering Actuator
-  Increased Anti-Cavitation Provisions
-  Modification 7/2526
(A/C 1 thru 113)

Mar 4, 1988
DHC-7 7-23-19

Communications - Attendant's Interphone System Call Light Rework
- Modification 7/1672 (A/C 1 thru 18)

Sep 16, 1983
DHC-6 6/145

Engine - Intake Separator Actuating Cylinder - Strengthened Pipe Connection
(A/C 1 thru 170)

May 27, 1968
DHC-7 7-32-8

Main Landing Gear - Special Inspection
(A/C 1 thru 11)

Apr 30, 1979
DHC-6 6/481

Air Conditioning - Power Cable Terminals - Inspection and Replacement - to introduce Parker Hannifin S/B 084
(All A/C with S.O.O. 6109)

Nov 8, 1985
DHC-6 6/65

Elevator Left-Hand - Rear Spar Re-Enforcement - Supersedes S/B 6/59
Mod. 6/1135
(A/C 1 thru 105)

Dec 12, 1967
DHC-7 7-28-16

Fuel - Fuel Line Flow Control Valve Replacement
- Modification 7/2300
(A/C 1 thru 112)

Aug 31, 1984
DHC-7 7-54-9

Inner Nacelles - Upper Longeron Strengthening
- Modification 7/1707
(A/C 1 thru 7 and 9, 10 and 11)

Feb 29, 1980
DHC-3 3/44

Control Cables - Turnbuckle MS21251B Precautionary Inspection

Jun 7, 1985
DHC-7 7-27-28

Flight Controls - Improved Flight Spoiler Servo Unloading Valve
- Modification 7/1877
(A/C 1 thru 29) (A/C 30 thru 39 E.O. 72044)

Feb 27, 1981
DHC-2 2/36

Hydraulic System - Brake Cylinder - Spring Retainer Replacement - Modification No. 2/1538

Apr 15, 1983
DHC-7 7-25-21

Furnishings - Overhead Bin Doors -  To Remove Passenger Hazard
-  Modification 7/1773
(A/C 1 thru 36 with S.O.O. 7042)

Feb 20, 1981
DHC-6 6/241

Instruments - Edison Type Engine Torque Pressure Indicators
Mod. 6/1310
(A/C 231 thru 255)

May 8, 1970

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