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 Aircraft

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 csps-tp@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 CSPS Technical Publications Coordinator at csps-tp@vikingair.com.

Displaying 101 - 120 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-32-79

NOT ISSUED

DHC-7 7-23-17

Communications - Introduction of Diode to Flight Attendant's Panel Electrical Circuit
- Modification 7/2208 (A/C 1 thru 92)

Feb 25, 1983
DHC-7 7-28-14

Fuel System - Alternative Refuel/Defuel Valve
- Modification 7/1739
(A/C 1 thru 65)

Sep 23, 1983
DHC-6 6/02

Engine Impeller and Compressor Turbine Disk
Early Retirement
(See Bulletin for Applicability)

Jan 16, 1967
DHC-2 TB/60

Fuselage - Special Inspection of Rear Bulkhead at Station 228

Aug 30, 1998
DHC-6 6/333

Autofeather System Pressure Switch
Mod. 6/1503
(A/C 291 thru 470)

Jul 4, 1975
DHC-7 7-78-1

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

Jun 13, 1980
DHC-6 6/253

Nose Gear Hydraulic Line Covers
Mod. 6/1368
(A/C 1 thru 330)

Nov 9, 1971
DHC-7 7-32-22

Main Landing Gear - Lower Drag Strut
-  Menasco S/B 32-19
(A/C 1 thru 22 if Drag Strut not Stamped SB 32-19 as shown in Menasco S/B 32-19)
-  Special Inspection for Clearance

Apr 11, 1980
DHC-2 V2/0010

Inspection - Front Fuselage Struts and Airframe Lugs

Apr 3, 2020
DHC-6 6/152

Aircraft Operation at Increased Crosswind Components - New Placard
Mod. 6/1186
(A/C 1 thru 115)

Jun 19, 1968
DHC-7 7-57-36

NOT ISSUED

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 6/494

Wing Strut Assemblies - Continuing Integrity
(All A/C)

Oct 23, 1987
DHC-7 7-24-8

Electrical System - External Power Connector and Limiter - Introduction of Copper Bus Bars
- Modification 7/1472 (A/C 1 thru 12)

Jun 22, 1979
DHC-7 7-29-2

Wheel Brake Shuttle Valves - Installation of Filter Fittings
- Modification 7/1443
(A/C 1 thru 4, 7 and 9)

Sep 29, 1978
DHC-7 7-53-28

Front Fuselage - Flight Compartment Drainage Provisions
- Modification 7/2073
(A/C 3 thru 75 less 68)

Mar 23, 1984
DHC-6 6/18

Overhead Console - Improved Throttle Lever Installation
Mod. 6/1025
(A/C 1 thru 35)

May 12, 1967
DHC-6 6/414

Air Conditioning System - Performance Improvement Modifications
(All A/C Equipped with S.O.O. 6109)

Dec 15, 1981
DHC-7 7-21-3

Direct Vision Window - To Introduce Seal at Air Conditioning Duct Outlet
- Modification 711230
(A/C 1, 2 and 4)

Mar 23, 1979

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