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 181 - 200 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-29-14

Hydraulic System - Outboard Nacelles -  Tube Assembly Replacement and Additional Clamp Installation
-  Modification 7/1835 (Serial Number 3 thru 22)
-  Modification 7/1845 (Serial Number 3 thru 30)

Sep 17, 1982
DHC-6 6/427

Power Plant - Improved Oil Filter Housing, Check Valve and Bypass Valve/To Introduce P & WC S/B 1247
(All A/C)

Apr 30, 1982
DHC-6 6/11

Auto-Pilot H14 Honeywell System - Inspection
(All A/C with Honeywell H14 autopilot)

Mar 15, 1967
DHC-7 7-52-25

Furnishings - Toilet Door Latch Release Improvement
- Modification 7/2022
(A/C 3 thru 52 less 51)

Sep 4, 1981
DHC-3 3/892

Additional Rivets in Fuselage Skin
Above Main Undercarriage Pick-Up Fitting.

Jul 6, 1962
DHC-7 7-25-47

Equipment and Furnishings - Relocation of Paper Towel, Tissue and Soap Dispenser
- Modification 7/2413
(A/C 1 thru 107)

May 31, 1985
DHC-6 6/267

Wing Tanks Fuel Pump
Mod. 6/1399
(A/C 219 thru 285)

May 14, 1971
DHC-7 7-34-3

Automatic Flight Control System
-  To Rework Dimming and Test System Wiring
-  Modification 7/1220
(A/C 4)-

Sep 21, 1979
DHC-2T 2/40

Control Cables -Turnbuckle MS21251B - Precautionary Inspection

Jun 7, 1985
DHC-2 TB/42

Label - Elevator Rigging

Sep 3, 1971
DHC-6 6/187

Attachment Bolts - Front Float Strut Fitting
Mod. 6/1289
(Floatplanes Prior to A/C 58)

May 27, 1969
DHC-7 7-32-50

Nose Landing Gear - Steering Actuator Assembly - Shimmy Damping and Corrosion Prevention Rework
-  Modifications 7/2095 and 7/2195
(A/C 1 thru 68 - Modification 7/2095)
(A/C 1 thru 107 - Modification 7/2195)

Oct 1, 1982
DHC-7 7-76-2

Engine Controls - Throttle Control Rods
- Modification 7/1565
(A/C 1 thru 4, 6, 7, 9 and 10)

Feb 29, 1980
DHC-6 6/107

Elevator Flap and Trim Controls - Larger Diameter Pulleys
Mod. 6/1129
(Incorporation of this S/B Cancels S/B 6/98)
(A/C 1 thru 105)

Mar 7, 1968
DHC-7 7-30-10

Airframe Deicing System - Horizontal Stabilizer Water Separator
- Special Inspection and Rectification (A/C 4 thru 57, 59 thru 64, 69, 70)

Feb 26, 1982
DHC-6 6/443

Fuel System - Wing Tank Check Valve Installation
Mod. 6/1824
(A/C 1 thru 821 Incorporating Integral Wing Long Range Fuel Tanks S.O.O. 6095)

Mar 31, 1983
DHC-6 6/27

Hydraulic Power Package - Installation of Relief Valve in Brake Accumulator
Mod. 6/1042
(A/C 1 thru 65)

Jun 1, 1967
DHC-7 7-27-70

Flight Controls - Replacement Flight Spoiler Servo Actuator
- Modification 7/2408
(A/C 1 thru 112)

May 17, 1985
DHC-6 6/363

Introduction of 334C-9A Type Autopilot Servo
Mod. 6/1638
(A/C 231 thru 530)

Oct 7, 1977
DHC-7 7-53-4

Rear Fuselage - Refuel/Defuel Control Panel Access Door Hold - Open Spring
- Modification 7/1488
(A/C 1 thru 10)

Jun 15, 1979

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