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 241 - 260 of 1683

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-6 6/115

A/C Power Supply System - OneTime Inspection and Rectification
(A/C 1 thru 135)

Apr 1, 1968
DHC-6 6/451

Propellers - Replacement of Mounting Bolts and Revised Torquing Procedures
(All A/C)

Nov 11, 1983
DHC-6 6/35

Engine Performance Data Plate Speed Check Curve (6P5)
(All A/C with PT6-20 engines)

Jul 10, 1967
DHC-6 6/371

Fuselage Side Frames at Stations 218.125 and 219.525 - Special Inspection for Cracks
Reinforcement and Replacement
Mods. 6/1461 and 6/1462
(A/C 1 thru 411)

Jun 2, 1978 Jun 26, 1992 'B'
DHC-6 6/291

Engine Fuel System - 10 Micron High Pressure Fuel Filter
Mod. 6/1442
(A/C 1 thru 342 with S.O.O. 6117)

Mar 9, 1972
DHC-6 V6/0058

Engine Controls - Binding of the FCU Push Rod End Bearings

For Legacy Twin Otter Series

Dec 23, 2015 Dec 23, 2015
DHC-6 6/211

Fuel Vent Pipe - Lightning Protection
Mod. 6/1375
(A/C 6 thru 310)

Nov 19, 1969 Jun 15, 1984 'B'
DHC-6 V6/0004

Inspection for Hinge Boom C6WM1057-30 Installed on DHC-6 S/N 603

Apr 6, 2011
DHC-6 6/131

Engine Nacelle - Access Panel
Mod. 6/1140
(A/C 1 thru 80)

Jul 12, 1968
DHC-6 6/467

Autoflight - Collins Steering Computer - Replacement of Capacitor
(A/C with Collins Steering Computer 562A-5G S/N 1450 MCN1622)

Sep 17, 1984
DHC-6 6/51

Elevator/Flap Interconnect Trim Tab Cable Fraying - Inspection - Refer to S/B 6/88
(A/C 1 thru 95)

Sep 21, 1967 Mar 4, 2015 'A'
DHC-6 A6/387

Engine Controls - Propeller Reversing Interconnect Linkage - Special Inspection
(A/C 1 thru 230 Less 130 and 210)

Oct 10, 1979 Nov 16, 1984 'A'
DHC-6 6/307

Starter Generator Attachment Clamp - Inspection and Replacement of T-Bolt
(A/C 338 to 393, Less 386, 390 and 391)

Dec 12, 1973
DHC-6 6/227

Electrical System - Generator Shunt Ground Cables - Special Inspection
(A/C 140 thru 268)

Dec 9, 1969
DHC-6 V6/0020

Instructions to Bring Wing Doubler C6W1047-45 Into Conformance With The Production Drawing
(S/N 845 thru 850)

May 26, 2011 Jun 10, 2011 'A'
DHC-6 6/147

Trim Cables - Rudder and Elevator - Introduction of Nylon Covered
Mod. 6/1128

Jun 7, 1968
DHC-6 6/483

Fuel System - Wing Tank Piping Installation - Special Inspection for Fretting Damage

Mar 28, 1986 Sep 26, 1986 'B'
DHC-6 6/67

Protective Treatment - Tailplane De-Icing Boots - Reapplication
(All A/C equipped with de-icing boots)

Dec 18, 1967
DHC-6 6/403

Fuel Boost Pump Electro-Magnetic Interference Filter Maintenance Precautions
Mod. 6/1688
(A/C 681 and Sub. and All Other A/C Equipped with EMI Filter in Fuel Boost Pump Circuit)

Feb 9, 1981
DHC-6 6/323

Strobe Lights Installation
Mod. 6/1513
(A/C 1 thru 469)

Jan 24, 1975 May 23, 1980 'B'

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