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 321 - 340 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issue
DHC-6 6/53

Engine Vibration Isolator Assy. Notification
(All A/C)

Oct 10, 1967
DHC-6 6/529

Landing Gear - Nose Wheel - Wheel Bearing Seals Impression Stamped on the Wrong Side
(All A/C)

Sep 12, 1997
DHC-6 6/528

Landing Gear - Main - Inspection of Stay Strut End Fitting for Cotter Pin and Rectification
(All A/C)

Jun 18, 2001
DHC-6 6/527

Ignition - Installation of Spark Ignition
- Mod 6/1912
(All A/C)

Mar 6, 2000 Oct 13, 2000 'C'
DHC-6 6/526

Navigation - Installation of D.C. Attitude Indicator in Lieu of A.C. Attitude Indicator - SOO 6176
(All A/C)

Jul 6, 2001
DHC-6 6/525

Wings - Initial Inspection of Wing Assemblies Using Ultrasonic Technique
A/C 001 thru 107 and later aircraft with wing box C6W1002-1, or C6W1002-3 or C6W1002-5 or C6W1002-7 retrofitted.

This service bulletin does not apply to: A/C with Mod 6/1117 incorporated. A/C with Mod 6/1630 incorporated A/C 2

Sep 6, 1996 Dec 20, 1996 'A'
DHC-6 6/524

Wings - Bottom Skin - Installation of New Fasteners
- Mod 6/1896
(A/C 1 thru 812, 814, 815, 816, 819 and 820 with Mod 6/1752 installed)

Aug 25, 1995 Feb 7, 1997 'A'
DHC-6 6/523

Flight Controls - Special Inspection of Carbon Steel Control Cables for Wear and Corrosion
(All A/C without stainless steel cables
(SOO 6082 or EO 69053)

Aug 4, 1995 May 10, 1996 'A'
DHC-6 6/522

NOT ISSUED

DHC-6 6/521

Fuselage - Special Inspection of Fuselage Frame at Station 239 for Cracking of Flange
(All A/C)

Jul 7, 1995 Nov 14, 2005 'B'
DHC-6 6/520

Air Conditioning - Cockpit Cooling - Fan Replacement
- Mod 6/1897
(All A/C)

Jun 18, 1997
DHC-6 6/52

Horizontal Stabilizer - Leading Edge Reinforced to Prevent Ice Damage
Mod. 6/1089
(A/C 1 thru 50)

Oct 16, 1967
DHC-6 6/519

Engine Controls - Overhead Console - Special Inspection and Replacement of Control Quadrants
Mod 6/1895
(All A/C except Serial Number 462)

Oct 28, 1994 Jul 18, 2000 'B'
DHC-6 6/518

Wings - Inspection of Forward Attachment Adapter Assembly for Installation of Correct Fasteners (and Rectification)
(All A/C with Mods 6/1630 and 6/1859 or 6/1630 and 6/1887. A/C 837 thru 844 with Mod 6/1859 or 6/1887)

Jan 27, 1995 Jun 23, 1995 'A'
DHC-6 6/517

Wings - Lower Skin and Leading Edge Rivets at Front Spar - Inspection and Replacement
Mods. 6/1645 and 6/1893
(All A/C)

Aug 10, 1993
DHC-6 6/516

Fuselage/Stabilizer - Replacement of Horizontal and Vertical Stabilizer Attachment Adaptors
Mods. 6/1841, 6/1842, 6/1843, 6/1844, 6/1845 and 6/1846
(All A/C)

Aug 14, 1992 Jan 25, 2000 'C'
DHC-6 6/515

Auto Flight - Additional Guard Plate of Aileron Servo Cable Assembly
(All A/C with Electrical Autopilot Installation)

Jan 31, 1992
DHC-6 6/514

Communications - Installation of New Speaker
(All A/C with S.O.O. 6054 or S.O.O. 6096 (Public Address System) incorporated)

Jan 18, 1991
DHC-6 6/513

Horizontal Stabilizer - Special Inspection and Rectification of the Forward and Aft Attachment Brackets - Redesigned Retention Method
Mods. 6/1890, 6/1891 and 6/1892 Supersedes S/B 6/475 and Mods. 6/1855 and 6/1856
(A/C with Mods. 6/1808, 6/1809, 6/ 1855 and 6/1856. All A/C Replacing Attachment Brackets for the First Time)

Oct 25, 1991 Jul 16, 2004 'A'
DHC-6 6/512

Horizontal Stabilizer - Special Inspection and Rectification of Centre Hinge Bracket for Cracks
(All A/C)

Oct 25, 1991

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