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 6/222

NOT ISSUED

DHC-6 V6/0015

Drain Hole Modifications for Cockpit Doors

Apr 6, 2011
DHC-6 6/142

Fuel System - Enlarged Filler Neck - Introduction
Mod. 6/1088
(A/C 6 thru 108)

May 27, 1968
DHC-6 6/478

Engine Controls - Beta Backup Switch Installation
Mod. 6/1831
(All A/C)
(A/C 6 and Sub. Notice of Status Change 07 Dec 90)

Jan 24, 1986 Jul 7, 1989 'C'
DHC-6 6/62

Intake Deflector/Snow Separator Operating Instructions
(All A/C)

Nov 9, 1967
DHC-6 6/398

Removal of Propeller Blade Latches
Mod. 6/1716
(A/C 1 thru 615 Landplanes)

Oct 10, 1980
DHC-6 6/318

Wing Tip Lightning Strike Protection - Bonding Strap Repair
(A/C 1 thru 469)

Jan 3, 1975 Aug 20, 1976 'A'
DHC-6 6/238

Elevator Connecting Rod - Special Inspection
(A/C 1 thru 285 Less 233, 251, 268, 279)

Mar 31, 1970 Apr 24, 1970 'A'
DHC-6 V6/0031

Pitot Head - Increased Corrosion Protection

Mar 14, 2013
DHC-6 6/158

Shoulder Harness and Inertia Reel - 'Tele-flex' or `Pacific Scientific' Type
S.O.O. 6014 and Mod. 6/1520
(A/C 1 thru 530)

Sep 12, 1968 Jun 26, 1981 'B'
DHC-6 6/494

Wing Strut Assemblies - Continuing Integrity
(All A/C)

Oct 23, 1987
DHC-6 6/78

Landing Gear Main - Compression Block Replacement
Mod. 6/1022
(A/C 1 thru 35)

Jan 2, 1968
DHC-6 6/414

Air Conditioning System - Performance Improvement Modifications
(All A/C Equipped with S.O.O. 6109)

Dec 15, 1981
DHC-6 6/335

Heat and Vent System
Mod. 6/1543
(A/C 1 thru 510)

Jul 18, 1975 Jun 25, 1976 'B'
DHC-6 6/255

Audible Stall Warning System
S.O.O. 6155
(A/C 1 thru 310)

Jul 5, 1971
DHC-6 V6/0045

Inspection of Flap Rod and Rigging of Guide Rollers at Wing Station 34.5
(S/N 845 thru 888)

Mar 7, 2014 Mar 31, 2014 'A'
DHC-6 6/175

Airstair Door - Handrail Post Spring and Bumper - Treads and Lower Cable Spring
Mod. 6/1185
(A/C 1 thru 176)

Jan 20, 1969 Sep 24, 1976 'A'
DHC-6 6/511

Flight Controls - Special Inspection for Distortion of Elevator Quadrant and Cracks in Quadrant Mounting Bracket Assembly Lugs
(All A/C)

Apr 20, 1990 Jun 22, 1990 'A'
DHC-6 6/95

Battery - Auxiliary MA300 Sonotone Installation
Mod. 6/1073
(A/C 1 thru 80)

Feb 8, 1968
DHC-6 6/431

Power Plant - Improved Oil-to-Fuel Heater - To Introduce P & WC S/B 1352
(A/C 231 and Sub.)

Jun 11, 1982 Jun 17, 1983 'A'

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