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 1541 - 1560 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issuesort descending Latest Issue
DHC-7 7-11-6

Cargo Door - To Add Caution Label
- Modification 7/1470 (A/C 7 and 9)

Feb 23, 1992
DHC-7 7-27-83

Nacelles - Number 2 and Number 3 Flap Track Attachment brackets Replacement
- Modifications 7/2590 and 7/2592 All Aircraft

Mar 20, 1992 Jul 30, 1999 'A'
DHC-7 7-29-20

Hydraulic Power - Replacement of Quantity Limiting Valves
-  Modification 7/2610
Serial Numbers 3 thru 113

Mar 20, 1992
DHC-7 7-27-87

Flight Controls - Flap Indication System Changes
- Modification 7/2604
Serial Numbers 003 thru 113 except 33, 50, 77, 109 and 110 with Customer Special Installation 78358

Jun 12, 1992
DHC-7 7-34-42

Navigation - Horizontal Situation Indicator (HSI) Power Supply -  Revised Circuit Breaker Connection
-  Modification 7/2612 Serial Numbers 1 thru 113 with Standard Option Only 7014-1

Jul 3, 1992 Mar 17, 1995 'A'
DHC-7 7-32-95

Landing Gear - Nose Landing Gear Steering
-  Reduction of Actuator Creep
-  Modification 7/2608
Serial Numbers 3 thru 113

Jul 31, 1992
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-7 7-57-34

Wings - Foreflap - Introduction of New Leading Edge Ribs
- Modification 7/2532 (All Aircraft)

Sep 4, 1992
DHC-7 7-27-88

Flight Controls - Flap Actuators - Removal of Screwjack Corrosion and Introduction of Improved Protection
- Modifications 7/2367, 7/2368 and 7/2369 Serial Numbers 003 thru 113

Sep 25, 1992
DHC-7 7-56-7

Windows - Flight Compartment
Direct Vision Window - Improved Roller Installation in Window Track
- Modification 7/2613 All Aircraft

Oct 29, 1992 Jun 23, 1995 'A'
DHC-7 A7-32-97

Landing Gear - Initial Inspection and Test of Hydraulic Selector Valve Sterer
Part Number 57420 or 57420-3
Serial Numbers 3 thru 110 without Modification 7/2516

Nov 10, 1992
DHC-7 A7-32-98

Landing Gear - Extension and Retraction - Special Inspection of Downlock Microswitch Actuating Lever on Nose Landing Gear
Serial Numbers 3 thru 113

Jan 29, 1993
DHC-7 7-21-29

Air Conditioning - Pressurization Control - Installation of Redesigned Controller
- Modification 712602
All aircraft

Feb 5, 1993
DHC-7 7-32-96

Landing Gear - Main Wheels/Brakes -  Inspection/Replacement of Brake Accumulator
All Aircraft

Mar 26, 1993
DHC-7 A7-32-100

Landing Gear - Inspection of Main Landing Gear Upper Lockstrut (and rectification)
All Aircraft

Jul 7, 1993 Aug 30, 1993 'A'
DHC-2 A2/48

Fuselage - Wing Struts - Inspection of the Lower Steel End-Fitting Area

Aug 10, 1993
DHC-2T 2/48 ASB

Fuselage - Wing Struts - Inspection of the Lower Steel End - Fitting Area

Aug 10, 1993 Jun 1, 2015
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-7 7-24-69

Electrical Power - DC Elect. Load Distribution - Replacement of Hardware at Firewall Terminal Block
- Modification 7/2617 All aircraft

Oct 8, 1993
DHC-7 7-27-89

Flight Controls - Adjustment Mechanism - Rudder Pedal - Bolt Inspection/Replacement All Aircraft

Oct 14, 1993

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