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 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/23

Icing Limitation - Clarification of Temporary Placard - See S/B 6
(A/C 1 thru 46)

May 16, 1967
DHC-7 7-27-66

Flight Controls - Revised Elevator Trim Screw Jack Installation
- Modification 7/2393
(A/C 1 thru 102)

Jun 28, 1985
DHC-6 6/359

Autofeather System - Special Inspection and Rectification for Nf (Power Turbine Governor)
Reset Lever Fouling Autofeather Switch
(A/C 6 thru 230)

May 27, 1977
DHC-7 7-52-37

Doors - Airstair Door Sill - Introduction of Overboard Drain Valve
- Modification 7/2514
(A/C 3 thru 110)

Sep 1, 1986
DHC-3 3/02

Tail Landing Gear Support Structure - Ski Aircraft - To Inspect

Mar 10, 1967
DHC-7 7-34-15

Standby Attitude Indicator - Additional Diode Installation
- DHC E.O. 72205 (A/C 54)

Nov 20, 1981
DHC-2T 2/52

See TB/60

DHC-2 TB/54

Propeller - Corrosion Inspection

May 13, 1983
DHC-6 6/535

NOT ISSUED

DHC-7 7-77-1

Engine Torque Pressure Transmitter -  To Relocate and Shock Mount Improved Transmitter
-  Modification 7/1272
(A/C 1, 2 & 4)

Sep 15, 1978
DHC-7 7-22-13

Auto Flight - Auto Pilot Disconnect Audible Alerter - Change of Power Source - Modification 8/2578
(A/C with S.O.O. 7186)

Jan 20, 1989
DHC-6 6/120

Inboard Fore Flap Hinge Arm and Aileron Geared Tab Lever Attachment - Clearance Increase
Mod. 6/1115
(A/C 1 thru 135)

Mar 25, 1968
DHC-6 6/376

Flap Actuator - Piston O" Ring Seal Replacement
Mod. 6/1650
(A/C 1 thru 610)

Jul 4, 1978
DHC-7 7-53-18

Fuselage Insulation - Removal in Rear Fuselage
- Modification 7/1784
(A/C 1 thru 26)

Apr 10, 1981
DHC-3 3/19

Towing Practices

Apr 17, 1974
DHC-7 7-27-3

Flap Screwjacks - Introduction of Screw- jacks with Increased Torque Limiter Settings
- Modification 7/1299
(A/C 1, 2 and 4)

Jun 2, 1978
DHC-7 7-34-32

Navigation - Radio Altimeter System
- Modification to Improve Reliability and Operation
- Sperry S/B 7001840-34-36
(A/C with Sperry RT-300 Radio Altimeter)

Aug 2, 1985
DHC-7 7-32-79

NOT ISSUED

DHC-7 7-82-1

Water Methanol Quantity Indicator
-  Addition of Limit Marks on Face
-  Modification 7/1260
(A/C 1, 2 and 4 with S.O.O. 7025)

May 26, 1978
DHC-6 6/136

Fuel Quantity Indication - Installation of Diode Resistor
Mod. 6/1170
(A/C 1 thru 135)

May 14, 1968

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