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 1698

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-24-68

Electrical Power - Special Inspection and 02 Aug 91 Rectification of AC Generator Feeder Cables for
Chafing Inside AC Contactor Boxes All aircraft

Aug 2, 1991
DHC-6 6/153

Cabin Door - RH Lock Instruction Labels - Installation
Mod. 6/1190
(A/C 1 thru 135)

Jun 13, 1968
DHC-7 7-24-40

Electrical Power - Lucas A.E. 2132 MK4 A.C. Generator - Introduction of New Rotor and Fan Assembly
(All DHC-7 A/C with Lucas A/C Generator A.E. 2132 MK4 Installed)

Feb 19, 1982
DHC-6 V6/0023

Fuel Flow Divider - Snow Separator Actuator Interference

(S/N 845 thru 848)

Jun 22, 2012
DHC-6 6/365

Left-Hand Forward Cargo Door Replacement
Mod. 6/1634
(A/C 1 thru 302)

Oct 28, 1977
DHC-6 6/68

Elevator R.H. - L.H. Top Skin - Additional Riveting at Front Spar
Mod. 6/1142
(A/C 1 thru 81)

Dec 8, 1967
DHC-7 7-82-1

Water Methanol Quantity Indicator
-  Addition of Limit Marks on Face
-  Modification 7/1260
(A/C 1, 2 and 4 with S.O.O. 7025)

May 26, 1978
DHC-7 7-61-19

Propellers - Change to Lower Rated Circuit Breaker in Synchrophase Control
- Modification 7/2567
(All A/C)

Sep 2, 1988
DHC-7 7-27-22

Elevator Trim Handwheel - Improved Retaining Bolt
- Modification 7/1753
(A/C 1 thru 18)

Jun 20, 1980
DHC-7 7-54-18

Nacelles - Propeller Restraint - External Loops for Lanyard Hook
- Modification 7/2214
(A/C 1 and Sub.)

Feb 23, 1990
DHC-7 7-30-3

Snow Separator - Torque Tube - To Introduce Strengthened Torque Tube Spindle and Operating Levers
- Modification 7/1556
(A/C 1 thru 14)

Jan 25, 1980
DHC-2T V2SB0001

DHC-2 Type Certificate Ownership Transfer

Feb 1, 2006
DHC-7 7-25-15

Furnishings - Installation of Protective Lens for Under Wing Bins Lighting
- Modification 7/1668 (A/C 1 thru 23)

Jan 9, 1981
DHC-6 6/169

Fuel System Drain Collector Tank in Engine Nacelles
Mod. 6/1165
(A/C 1 thru 230)

Dec 5, 1968
DHC-6 6/89

Hydraulic Filter Bowl - Alternative Wire Locking Method
(A/C 1 thru 135)

Jan 23, 1968
DHC-7 7-23-1

Audio Integrating Systems - Wiring Revision
- Modification 7/1262
(A/C 1, 2 and 4)

Sep 29, 1978
DHC-6 6/84

Engine Water Wash Procedure to Combat Corrosion
S.O.O. 6050
(All A/C)

Feb 1, 1968
DHC-7 7-11-6

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

Feb 23, 1992
DHC-2 TB/7

Camloc Engine Cowl Latches - Inspection

Jul 10, 1967
DHC-7 7-71-16

Power Plant - Improved Small Combustion Chamber Exit Duct Assembly - Pratt and Whitney S/B 6071
(All A/C with PT6A-50 Engines Prior to Serial Number PC-E86433)

Jun 18, 1982

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