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 141 - 160 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-2T A2/53

Not Applicable

DHC-2 TB/55

Propeller - Feedback Mechanism Carbon Block Assembly Replacement - Modification Bulletin T2/2078

Feb 3, 1984
DHC-6 6/536

NOT ISSUED

DHC-7 7-22-14

Auto Flight - Addition of Manual Deselect Input to Automatic Pilot Disconnect Audible Alert Unit
- Modification 7/2591
(All A/C with S.O.O. 7186)

Dec 1, 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 6/121

Elevator/Flap Interconnect Tab - Redesigned to Prevent Distortion Due to Handling
Mod. 6/1121
(A/C 1 thru 105)

Apr 1, 1968
DHC-7 7-30-24

NOT ISSUED

DHC-6 6/457

Non-Approved Components and Installations (All A/C)

Nov 25, 1983
DHC-7 7-57-27

Wings - Flap Hinge Fairings - Installation of Kevlar Fairings with Reprofiled Lines and Improved Support Attachment
- Modification 7/2275
(A/C 1 and Sub.)

Apr 4, 1986
DHC-7 7-10-1

Ground Support Equipment - Improved
Engine Intake and Exhaust Covers
- Modification 7/2013
(A/C 1 thru 72)

Feb 19, 1982
DHC-6 6/41

De-Icer Boots - Horizontal Stabilizer - Protective Coating
Mod. 6/1067
(A/C 1 thru 40)

Aug 22, 1967
DHC-7 7-27-84

Flight Controls - Addition of Backing Strips to Mid Trailing Flap Seals
(A/C 1 and Sub.)

Oct 26, 1990
DHC-6 6/377

Hydraulic Pump Power-Off Warning Light - To Relocate
Mod. 6/1654
(A/C 1 thru 594)

Sep 8, 1978
DHC-3 3/20

Transmittal Document - Modification Bulletin 3/913 - 'Battery Ground to Relocate'

Apr 26, 1974
DHC-7 7-27-4

Roll Spoiler Actuator - Relief Valve Replacement
- Modification 7/1383
(A/C 1 thru 4)

Jun 9, 1978
DHC-3 V3/0008

REPLACEMENT OF DHC-3 WING STRUT (MAIN SPAR) LUG FITTING AND FUSELAGE TIE BAR

Feb 9, 2017
DHC-2 2/12

Horizontal Stabilizer - Stone Guard Damage

Apr 19, 1974
DHC-6 V6/0010

Fastener Corrosion Prevention for Carbon Fibre Composite Assemblies
(DHC-6/400 S/N 845, 846 & 849)

May 26, 2011
DHC-7 7-82-2

Instruments - Water/Methanol System - To Increase Minimum Quantity Indication
-  Modification 7/1718
(A/C 4, 6 and 9)

Apr 3, 1980
DHC-7 7-23-11

Communications - VHF Transceiver -  To Reduce Interference
-  Modifications 7/1840 and 7/1885
(A/C 1 thru 39 with S.O.O. 7002) (VHF Communication System)

Jan 15, 1982

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