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 181 - 200 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-3 3/35

Elevator Connecting Rod - Inspection and Modification 3/929

Sep 15, 1978 Apr 11, 1980 'A'
DHC-3 3/51

Fuselage - Inspection/Rectification of Loose Rivets in Flight Compartment-to-Cabin Frame at Station 111.00

Jan 26, 1996
DHC-3 3/03

Amendment to de Havilland Engineering Bulletin Series 'O' 11

Jul 20, 1967
DHC-3 3/20

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

Apr 26, 1974
DHC-3 V3/0008


Feb 9, 2017
DHC-3 3/36

Cherrymax Rivets and Riveters 31.10.80

Dec 1, 1980
DHC-3 3/52

Placards and Markings - Installation of a Supplementary Data Plate When Converting from Military to Civilian Use - Modification 3/936

Jan 25, 2006 'A'
DHC-3 3/04

Tab Elevator - Flap Interconnect - Special Inspection

Sep 8, 1967
DHC-3 3/21

Transmittal Document - Modification BulletinS.O.O. 3028 - Requirements for Conversion from Military to Civil Type Aircraft

Mar 14, 1975
DHC-3 3/37

Wing Strut Attachment Tie-Bar - Inspection and Replacement

Jan 8, 1982 Oct 8, 1982 'B'
DHC-3 A3/53

Ignition - Special Inspection of Firewall connector in Magneto Cable

Jul 4, 2006 May 28, 2004 'B'
DHC-3 3/05

Bolts - Attaching Lug to Fuselage for Rear Strut - Float or Amphibious Otter

Mar 4, 2015
DHC-3 3/22

Transmittal Document - Modification Bulletin 3/915 - Fuselage Upper and Lower Rotating Beacon Light Lens

Jan 10, 1975
DHC-3 3/38

Main Landing Gear - Compression and Rebound Rubber Block Replacement - Modification 3/928

Apr 17, 1981 Feb 12, 1982 'A'
DHC-3 V3/SB0001

DHC-3 Type Certificate Ownership Transfer

Feb 6, 2001
DHC-3 3/892

Additional Rivets in Fuselage Skin
Above Main Undercarriage Pick-Up Fitting.

Jul 6, 1962
DHC-3 3/06

Transmittal Document Modification Bulletin 3/909 'Mass Balance on Trim Tab and Additional Elevator Balance Weight' (Modification 3/912 Incorporated in Reissue)

Jul 19, 1968 Nov 11, 1968 '2'
DHC-6 V6/540

Wing - Front Spar Adapter Assembly (P/N C6WM1027-1) - Inspection for Cracks
(All A/C)

Oct 1, 2007
DHC-6 6/124

Rudder Trim Tab - Redesigned to Prevent Distortion Due to Handling
Mod. 6/1124
(A/C 1 thru 170)

Apr 1, 1968
DHC-6 6/460

Electrical - Inspection and Replacement of Main Distribution Cables
(A/C 1 and Sub. with Mod. 6/1651 Incorporated - or with SAFT Type 4076-9 Main and Auxiliary Batteries Installation E.O. 68755 or E.O. 68721)

Jan 27, 1984 Jan 18, 1985 'C'