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 for DHC & CL Aircrafts

Manual Status List – DHC-2 to DHC-7

Manual Status List - CL-215/215T/415/415MP

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 1 - 20 of 1685

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-34-3

Automatic Flight Control System
-  To Rework Dimming and Test System Wiring
-  Modification 7/1220
(A/C 4)-

Sep 21, 1979
DHC-3 3/51

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

Jan 26, 1996
DHC-7 7-57-18

Wings - Flight Spoiler Actuator Access Cover -  To Provide `Formed in Place' Seal
-  Modification 7/2257
(A/C 3 thru 092)

Jan 6, 1984
DHC-7 7-25-19

Furnishings - Toilet Compartment -  Addition of Access Panel
-  Modification 7/1694 (A/C 1 thru 16) (17 thru 35 under de Havilland E.O. 74459)

Mar 27, 1981
DHC-6 6/331

PT6-20 Engine/Power Turbine Containment
(A/C 2 thru 230 Less 130 and 210)

Apr 16, 1975
DHC-7 7-32-53

Main and Nose Landing Gear - Wheel Bearing Seal Replacement
(B.F. Goodrich Main Landing Gear Wheel Assemblies 3-1354 Prior to Serial Number 776 and Nose Landing Gear Wheel Assemblies 3-1368 Prior to Serial Number 523)

Feb 11, 1983
DHC-6 V6/0038

Fuel System Tee P/N C6PFM1145-27 Inspection Replacement

Feb 28, 2013
DHC-7 7-53-10

Cargo Door - To Introduce Lubrication for Door Guide Rollers
- Modification 7/1702
(A/C 7, 9 thru 12, 15, 20 and 23)

Feb 29, 1980
DHC-6 6/251

Power Plant Fire Detectors
Mod. 6/1307
(A/C 1 thru 230)

Feb 19, 1971
DHC-2 TB/60

Fuselage - Special Inspection of Rear Bulkhead at Station 228

Aug 30, 1998
DHC-6 6/504

Landing Gear Main Gear Wheel Brakes - Introduction of Asbestos-Free Linings
Mod. 6/1885
(A/C with Brake Assembly P/N 9550377-1 Installed)

Oct 7, 1988
DHC-7 7-27-73

Flight Controls - Spoiler Control Servo Assembly - Addition of Flow Restrictor
- Modification 7/2405
(Effectivity - Refer to Parker S/B 265100-27-113)

Jul 19, 1985
DHC-7 7-78-1

Exhaust System - Replacement of Stack Fairing Assemblies
-  Modification 7/1593
(A/C 1 thru 27)

Jun 13, 1980
DHC-7 7-11-13

Furnishings - Buffet Wardrobe, Stowage and Waste Container Weight Limitation Labels
- Modification 7/1779
(A/C 1 thru 34)

Nov 14, 1980
DHC-6 6/424

Power Plant - Improved Compressor Bleed Valve Assembly - To Introduce P & WC S/B 1251
(A/C 231 and Sub.)

Apr 23, 1982
DHC-7 7-27-42

Flight Controls - Improved Ground Spoiler Selector Valve
- Modification 7/2003
(A/C 1 thru 51)

Mar 12, 1982
DHC-6 6/08

Voltage Regulator - lntroduction of Improved
Mod. 6/1017
(A/C 1 thru 20 and 22)

Mar 10, 1967
DHC-7 7-57-34

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

Sep 4, 1992
DHC-7 7-25-35

Furnishings - Floor Drain System Tubing Replacement
- Modification 7/1774
(A/C 1 thru 52)

Jan 29, 1982
DHC-6 V6/0051 ASB

DHC-6 Series 400 A/C Affected by Pratt & Whitney Canada (ASB) PT6A-72-A1742 Turboprop Engine Compressor Turnbine Blades - Inspection/Replacement  S/N 885 thru 896

Apr 17, 2014

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