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 101 - 120 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issuesort ascending Latest Issue
DHC-6 6/529

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

Sep 12, 1997
DHC-7 7-57-37

Wings - Special Inspection and Replacement of Wing/Fuselage Attachment Joint Bolts
(All DHC-7 Aircraft)

Aug 8, 1997 Aug 27, 1999 'B'
DHC-6 6/520

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

Jun 18, 1997
DHC-2 TB/58

Stabilizers - Installation of Access Cover and special Inspection of the Elevator Mass Balance Weight for Separation - Modification T2/2079

May 9, 1997
DHC-7 7-31-11

Indicating and Recording - Acceleration Switch Replacement
-  Modification 7/2593
All Aircraft except Serial Number 39

Dec 6, 1996
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-2T 2/51 ASB

Flight Controls - Special Inspection of Link Stop in Aileron Control Chain

Mar 15, 1996
DHC-2 A2/51

Flight Controls - Special Inspection of Link Stop in Aileron Control Chain

Mar 15, 1996
DHC-3 3/51

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

Jan 26, 1996
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-7 7-33-23

Lights - Emergency Lights Power Control Relay Installation
- Modification 7/2622
Serial Numbers 003 thru 113 less 25 and 70 With Modification 7/1697

Jul 28, 1995 Oct 20, 1995 'A'
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-7 7-77-6

Oil - Oil Cooler Drain Valve Replacement
- Modification 7/2409
Serial Numbers 1 thru 112
CANCELLED

May 24, 1995 Jul 5, 1991 'A'
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-3 3/50

Stabilizers - Installation of New Angles and Plates on Tailplane Root Ribs - Modification 3/935

Jan 13, 1995 Oct 6, 1995 'B'
DHC-3 3/48

Flight Controls - Special Inspection of Elevator Control Lever for Corrosion

Dec 30, 1994 Jul 30, 2001 'A'
DHC-2 TB/57

Fuselage - Forward Tubular Frame - Inspection for Corrosion and Repair

Dec 30, 1994 May 15, 2004 'D'
DHC-2 2/49

Fusleage - Forward Tubular Frame - Inspection for Corrosion and Repair

Dec 30, 1994 Jul 2, 1999 'C'
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'

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