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 161 - 180 of 1696

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-71-23

Power Plant - Improved Engine Mount Assembly - Incorporation of Shim
- Lord S/B SM6204-71-01

Oct 25, 1985
DHC-7 7-76-2

Engine Controls - Throttle Control Rods
- Modification 7/1565
(A/C 1 thru 4, 6, 7, 9 and 10)

Feb 29, 1980
DHC-7 7-24-43

Electrical System - Crash Fire Precautions -  Power Supply Change
-  Modification 7/2015 (A/C 3 thru 92)

Jan 14, 1983
DHC-7 7-57-3

Flight Controls - Improved Aileron Circuit Cable Guard
- Modification 7/1344
(A/C 1, 2, 4 and 9)

Jul 20, 1979
DHC-7 7-39-2

Turn and Slip Indicator - To Delete `4 Min. Turn' from Face of Indicator
- Modification 7/1526
(A/C 1 thru 12)

Dec 7, 1979
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
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-6 6/374

Float Sealing and Venting (All Canadian aircraft Products 12000, 12000A, B and C Model Floats)

May 19, 1978
DHC-6 6/427

Power Plant - Improved Oil Filter Housing, Check Valve and Bypass Valve/To Introduce P & WC S/B 1247
(All A/C)

Apr 30, 1982
DHC-7 7-29-6

Hydraulic System - Piping in Wing
- Special Inspection
(A/C 1 thru 20)

Feb 22, 1980
DHC-6 6/138

Alternative Nicad Battery - Introduction
Mod. 6/1145
(A/C 1 thru 105)

May 15, 1968
DHC-6 6/294

Magnetic Direction Indicators - Calibration Placard
(A/C 1 thru 302 and 311 thru 343)

Jun 8, 1972
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 7-27-11

Flap Position Indicator System -  To Introduce Close Tolerance PCU Potentiometer, Recalibrated Flap Position Indicator and Stiffer Mounting brackets for the Tailing Flap Potentiometers
-  Modification 7/1387
(A/C 1 thru 4, 6, 7 and 9)

Jun 8, 1979
DHC-7 7-77-5

Engine Indicating - Torque Pressure Transmitter Vibration Isolators Replacement
- Modification 7/2232
(A/C 1 thru 113)

Apr 19, 1984
DHC-7 7-57-19

Wings - Rear Mounting Adapter Plates -  Inspection, Rectification and Modification
-  Modification 7/2355 (A/C 1 thru 99)

Feb 24, 1984
DHC-7 7-25-4

Furnishings - Installation of Stowage Container for Manuals
- Modification 7/1317
(A/C 1 thru 7 and 9)

Mar 9, 1979
DHC-2T 2/50

See TB/58

DHC-6 6/07

Fuel Crossfeed Thermal Relief Check Valve - Rework
Mod. 6/1032
(A/C 1 thru 14)

Mar 10, 1967
DHC-7 7-23-4

Passenger Address System - To Introduce Flight Compartment P.A. "IN USE" Indicator Light
- Modification 7/1348
(A/C 1 thru 12)

Apr 25, 1980

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