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 221 - 240 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-6 6/465

Propellers - Relocation of Autofeather Torque Pressure Switch
Mods. 6/1470 or 6/1503
(A/C 231 and Sub.)

Nov 23, 1984 Aug 23, 1985 'A'
DHC-6 6/49

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

Sep 20, 1967
DHC-6 6/385

Bleed Air System - To Replace Solenoid Shut-Off Valve
Mod. 6/1680
(A/C 1 thru 640)

Aug 31, 1979 Nov 28, 1979 'A'
DHC-6 6/305

Inspection of VHF Antenna Mounting, Structure and Installation of Strengthened Mounting
(A/C 1 thru 381, 384, 385, 388,393, 394 Less 351, 352, 354, 355, 357, 358)

Feb 22, 1974 Mar 27, 1974 'A'
DHC-6 6/225

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

Dec 17, 1971
DHC-6 V6/0018

Wing - Ultrasonic Inspection of the Upper Wing Skin Inboard and Outboard Sides of the LH and RH Engine Nacelles - (Supersedes SB 6/543)

Mar 4, 2013 Apr 3, 2013 'A'
DHC-6 6/145

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

May 27, 1968
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-6 6/401

Cockpit Roof Electrical Wiring - Special Inspection
(A/C 1 thru 660, 662 thru 678, 680 thru 697, 699 thru 709, 712, 714, 720, 722 and 726)

Nov 28, 1980 Jan 29, 1982 'C'
DHC-6 6/321

Oil Cooler and Engine Lower Cowling Clearance
Mod. 6/1495
(A/C 1 thru 470)

Jan 24, 1975 Feb 28, 1975 'A'
DHC-6 6/241

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

May 8, 1970
DHC-6 V6/0034

Interior Placard Improvements

Jun 4, 2013
DHC-6 6/161

Static Inverter Improved
Mod. 6/1016
(A/C 1 thru 35)

Sep 23, 1968
DHC-6 6/497

NOT ISSUED

DHC-6 6/498

Wings - Introduction of Flap Hinge Arm Inspection Panels at Wing Station 97.50 and 172.50
Mod. 6/1873
(All A/C)

Oct 23, 1987
DHC-6 6/82

Landplane - Landing Weight Increased to 11,400 lbs.
(A/C 6 thru 230)

Feb 1, 1968
DHC-6 6/418

Co-Pilot Dimming Control Rheostat Relocation
Mod. 6/1772
(A/C 1 thru 815)

Jan 29, 1982 Sep 14, 1984 'A'
DHC-6 6/02

Engine Impeller and Compressor Turbine Disk
Early Retirement
(See Bulletin for Applicability)

Jan 16, 1967
DHC-6 6/338

Reverse Current Cut-Out Relay - Additional Inspection Requirements
(All A/C)

Oct 24, 1975 Oct 29, 1982 'A'

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