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 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-27-28

Flight Controls - Improved Flight Spoiler Servo Unloading Valve
- Modification 7/1877
(A/C 1 thru 29) (A/C 30 thru 39 E.O. 72044)

Feb 27, 1981
DHC-2 2/36

Hydraulic System - Brake Cylinder - Spring Retainer Replacement - Modification No. 2/1538

Apr 15, 1983
DHC-7 7-25-21

Furnishings - Overhead Bin Doors -  To Remove Passenger Hazard
-  Modification 7/1773
(A/C 1 thru 36 with S.O.O. 7042)

Feb 20, 1981
DHC-6 6/241

Instruments - Edison Type Engine Torque Pressure Indicators
Mod. 6/1310
(A/C 231 thru 255)

May 8, 1970
DHC-7 7-33-1

Wing Inspection Lights - To Adjust Beam Angle
- Modification 7/1276
(A/C 1, 2 and 4)

Apr 3, 1978
DHC-6 V6/0034

Interior Placard Improvements

Jun 4, 2013
DHC-6 6/161

Static Inverter Improved
Mod. 6/1016
(A/C 1 thru 35)

Sep 23, 1968
DHC-6 6/497

NOT ISSUED

DHC-7 7-21-5

Air Conditioning - Cabin Improvement
- Modification 711444
(A/C 1 thru 7 and 9)

Jul 6, 1979
DHC-6 6/81

Engine Oil Cooler - Temperature Control Installation
S.O.O. 6019
(A/C 1 thru 230)

Jan 3, 1968
DHC-7 7-29-4

Hydraulic System - Reservoir Overspill Container in Nacelles
- Modification 7/1530 (A/C 1 thru 27)

Jan 5, 1980
DHC-6 6/417

Flap System - Revision to Flap Hydraulic Actuator Forward Support
Mod. 6/1748
(A/C 1 thru 744)

Jan 8, 1982
DHC-7 7-55-4

Horizontal Stabilizer - To Increase Strength of Elevator Control Lock Stops
- Modification 7/1360
(A/C 1 thru 4, 6, 7 and 9)

Aug 24, 1979
DHC-7 7-27-44

Flight Controls - Second Stage Flap Dump Selector Valve Replacement
- Modification 7/1734
(A/C 1 thru 72)

Jun 18, 1982
DHC-6 6/337

Air Conditioning Power Supply Cable-Special Inspection
(A/C 1 thru 459)

Oct 10, 1975
DHC-2 2/52

See TB/60

DHC-7 7-25-37

Furnishings - Overhead Bins Emergency Battery Packs Access
- Modification 7/1918 (A/C 1 thru 72)

Feb 12, 1982
DHC-6 6/257

NOT ISSUED

DHC-6 V6/0047

Replacement of Recalled Amphenol PCD Junction Modules

Sep 24, 2015
DHC-2 TB/32

Transmittal Document for Modification Bulletin T2/2056 "PT6A-20 Engine Ignition System - Revised Switching" (Refer to Mod. Bulletin for Data)

Nov 19, 1968

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