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 121 - 140 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-2 TB/14

PT6A-6 & PT6A-20 Engine Vibration Isolators - Replacement

Feb 7, 1968
DHC-2 2/50

See TB/58

DHC-2 TB/30

Transmittal Document for Modification Bulletin T2/2044
Engine Mount Attachment Bolts - Replacement" (Refer to Mod. Bulletin for Data)

Oct 10, 1968
DHC-2 TB/46

Transmittal Document for Modification Bulletin T2/2070 "Engine Mounting Vibration Isolator Standardization" (Refer to Mod. Bulletin for Data)

Jan 9, 1976
DHC-2 2/02

Beaver Aircraft Equipped with Dowty Shock Strut Q- 3046-1 or
Q-3047-1, Distance Piece and Bearing - To Replace

Mar 8, 1967
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 3/913 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 3/28

Elevator Control Lever Assembly - Inspection

Nov 26, 1976
DHC-3 3/44

Control Cables - Turnbuckle MS21251B Precautionary Inspection

Jun 7, 1985
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 3/29

Front Fuselage - Inspection and Repair to Windshield Post

Apr 1, 1977 Aug 19, 1977 'A'
DHC-3 3/45

Wing Strut Assemblies - Continuing Integrity

Sep 18, 1987
DHC-3 3/915

Upper and Lower Anti-Collision Lights
To Introduce White Lens.

Jan 10, 1975 Oct 8, 1976 'A'
DHC-3 3/13

Elevator - Static Balance - Post-Modification 3/909 and 912 'Trim Tab Mass Balance'

May 22, 1969
DHC-3 3/30

Float Strut - Inspection for Cracking

Aug 19, 1977 Jul 25, 2018 'B'
DHC-3 3/46

Stabilizers - Inspection and Reinforcement of Forward Flanges on Tailplane Root Ribs - Modification 3/934

Mar 10, 1989 Aug 16, 1993 'E'