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 121 - 140 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/222

NOT ISSUED

DHC-7 7-52-4

Outer Nacelle Lower Access Door -  To Provide Water Drain Holes
-  Modification 5/1278
(A/C 1, 2 and 4)

May 19, 1978
DHC-7 7-53-32

Fuselage - Replacement of Fasteners in Nose Landing Gear Drag Strut Attachment Fittings
- Modification 7/2572
(All A/C)

Mar 15, 1991
DHC-7 7-79-4

Oil Cooler Drain Valve Installation
-  Modification 7/1536 (A/C 3 thru 23)

Oct 16, 1981
DHC-6 6/142

Fuel System - Enlarged Filler Neck - Introduction
Mod. 6/1088
(A/C 6 thru 108)

May 27, 1968
DHC-7 7-33-5

Electrical Panel Lights for Radio Navigation Control Display Units

Dec 7, 1979
DHC-6 6/333

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

Jul 4, 1975
DHC-6 6/253

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

Nov 9, 1971
DHC-6 6/75

Rudder Fairing - Additional Drainage
Mod. 6/1153
(A/C 1 thru 89)

Dec 21, 1967
DHC-6 V6/0042

Self Locking Nut Replacement

May 24, 2013
DHC-6 V6/0006

NOT ISSUED

DHC-7 7-29-20

Hydraulic Power - Replacement of Quantity Limiting Valves
-  Modification 7/2610
Serial Numbers 3 thru 113

Mar 20, 1992
DHC-7 7-25-34

Furnishings - Baggage Compartment Protective Bulkhead - Improved Latches
- Modification 7/1851 (A/C 1 thru 72)

Feb 19, 1982
DHC-6 V6/0007

NOT ISSUED

DHC-7 7-30-1

Deicing System Distributor Valves - To Install Stronger Springs at Exhaust Poppets
- Modification 7/1535
(A/C 1 thru 13) and all Spares

Oct 12, 1979
DHC-7 7-25-35

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

Jan 29, 1982
DHC-3 V3/0001

Ignition - Replacement of Magneto Firewall Connector

Jun 7, 2027
DHC-6 6/470

Ignition - Removal of Engine Igniter Switches from Spark Ignition System
Mod. 6/1849
(A/C 231 and Sub.)

Nov 16, 1984
DHC-7 7-52-20

Airstair Door - Hinge Installation -  To Correct Forward and Aft Location
-  Modification 7/1871
(A/C 3 thru 25)

Sep 26, 1980
DHC-7 7-54-15

Nacelles - Left Hand Outboard Nacelle -  Stall Warning Flap Transmitter Access Cover Installation
-  Modification 7/1329
(A/C 3 thru 27)

Apr 19, 1984

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