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 241 - 260 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-6 6/500

Wings - Front Attachment Adapters - Introduction of Steel Adapter Fittings
Mod. 6/1887
(A/C 1 thru 838)

Jan 22, 1988 Dec 20, 1991 'D'
DHC-6 6/313

Fuel System - To Add Drain Valve at Aft End of Fuel Gallery
Mod. 6/1498
(A/C 1 thru 418)

Jun 17, 1974
DHC-6 6/420

Power Plant - Compressor Delivery Air Line Filter - To Introduce P & WC S/B 1343
(A/C 231 and Sub.)

Feb 12, 1982
DHC-6 6/29

Engine Lower Cowl - Snow Separator Air Control Valve Filters
Mod. 6/1056
(A/C 1 thru 55)

Jun 6, 1967
DHC-6 6/179

Floatplane Accessories Detailed Improvements
Mod. 6/1167
(Floatplanes Prior to A/C 201)

Jan 28, 1969
DHC-6 6/99

Windscreen Washer - Use of 100% Isopropyl Alcohol
Mod. 6/1137
SERVICE BULLETIN CANCELLED
(A/C 1 thru 104)

Feb 2, 1968 Sep 14, 1984 'A'
DHC-6 6/409

Electrical - Lightning Protection - Fin Cap and Wing Tip Lighting
Mods. 6/1745 and 6/1746
(A/C 1 thru 770)

Oct 9, 1981
DHC-6 6/516

Fuselage/Stabilizer - Replacement of Horizontal and Vertical Stabilizer Attachment Adaptors
Mods. 6/1841, 6/1842, 6/1843, 6/1844, 6/1845 and 6/1846
(All A/C)

Aug 14, 1992 Jan 25, 2000 'C'
DHC-6 6/329

Nose Gear Instruction Label
Mod. 6/1541
(All A/C and Spares)

Apr 29, 1975
DHC-6 V6/0044

Fuel Gallery Corrosion Control

Sep 13, 2021 Oct 4, 2021 'A'
DHC-6 6/436

Auto-Flight - Yaw Damper Switch Replacement
Mod. 6/1796
(A/C 231 and Sub. with S.O.O. 6162, Collins AP-106 Autopilot, Incorporated)

Nov 26, 1982
DHC-6 6/249

J.B. Systems Inc. - S/B 007 - To Modify Wiring Harness
(A/C 1 thru 289)

Sep 18, 1970
DHC-6 6/45

Vicker LV146 R100 Fuel Pump Improvement Notification
(A/C 1 thru 90)

Aug 30, 1967
DHC-6 6/195

Main and Auxiliary Battery Blocking Diodes
Mod. 6/1283
(A/C 1 thru 310)

Sep 17, 1969
DHC-6 6/115

A/C Power Supply System - OneTime Inspection and Rectification
(A/C 1 thru 135)

Apr 1, 1968
DHC-6 6/532

NOT ISSUED

DHC-6 6/345

Inboard Trailing Flap
Mod. 6/1556
(A/C 1 thru 510)

Apr 2, 1976
DHC-6 6/452

Floats - Introduction of Steel Front Spreader Spreader Bar Attachment Fittings and Bearing Retention Plates
Mods. 6/1657 and 6/1786
(All A/C with S.O.O. 6002 or 6082)

Mar 23, 1984
DHC-6 6/265

Fuel System Ejectors
Mod. 6/1392
(A/C 1 thru 310)

Oct 30, 1970
DHC-6 6/61

De-Icing System - Inspection for Condensate
(All A/C equipped with airframe de-icing)

Nov 9, 1967

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