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


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

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-3 V3/0002

DHC-3 Wing Inspection - Visual Inspection of Upper Wing Corrugations and Rib to Corrugation Attachment Points for Cracks

Sep 10, 2010 Apr 30, 2014 'C'
DHC-3 3/909 B

Elevator - Assembly Port - Mass Balanced Trim Tab and Additional Balance Weight on Elevator Horn.

Jul 18, 1968 Nov 11, 1968 '2'
DHC-3 3/09

Altimeter - Introducing Alternative

Jun 27, 1968
DHC-3 3/25

Transmittal Document - Modification Bulletin 3/916 - Link Belt Silent Chain

Sep 19, 1975
DHC-3 3/41

Non-approved Components and Installations

Mar 30, 1984
DHC-3 V3/0003

Outboard Foreflap Control Rod Inspection

Nov 12, 2028 Dec 20, 2012 'A'
DHC-3 3/912 B

Elevator Trim Tab - Redesigned Mass Balance Arms.

Nov 11, 1968
DHC-3 3/10

Fatigue of DHC-3 Otter Structure - Component Replacement Times

Aug 26, 1969
DHC-3 3/26

Airworthiness Directives as Issued Against DHC-3 Otter Aircraft

May 14, 1976
DHC-3 3/42

Equipment/Furnishings - Utility Seats Special Inspection and Forward Leg Positive Lock Installation - Modification 3/932

Aug 31, 1984 Sep 18, 1987 'A'
DHC-3 V3/0004


DHC-3 3/913 D

Battery Ground - To Relocate.

Apr 26, 1974 Mar 14, 1975
DHC-3 3/11

Transmittal Document Modification Bulletin 3/912
'Elevator Trim Tab - Redesigned Mass Balance Arm'

Nov 11, 1968
DHC-3 3/27

Altimeter - Introduction of Aerosonic Altimeter 101730-01419 - Modification 3/921

May 14, 1976
DHC-3 3/43

Flight Controls - Elevator and Rudder Pushrod Attachment Bolts - Inspection and Replacement Modification 3/933

Jan 18, 1985 Mar 27, 1987 'A'
DHC-3 V3/0005

Horizontal Stabilizer Actuator (Trim Jack) - Inspection

Feb 13, 2013 May 27, 2014 'A'
DHC-3 3/914

Fire Warning Light Replacement.

DHC-3 3/12

Main Landing Gear - Fuselage Attachment Bolts C3U72 -3 and C3U142-5 - Landplane Only

Nov 7, 1968 Jun 3, 1977 'B'
DHC-3 3/28

Elevator Control Lever Assembly - Inspection

Nov 26, 1976
DHC-3 3/44

Control Cables - Turnbuckle MS21251B Precautionary Inspection

Jun 7, 1985