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 221 - 240 of 1698

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-6 6/82

Landplane - Landing Weight Increased to 11,400 lbs.
(A/C 6 thru 230)

Feb 1, 1968
DHC-6 6/299

Propeller Autofeather Pressure Switch Wiring
Mod. 6/1472
(A/C 6 thru 230 with Mod. 6/1278; A/C 231 thru 290 with Mod. 6/1329)

May 15, 1973 Jun 15, 1973 'A'
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 6/02

Engine Impeller and Compressor Turbine Disk
Early Retirement
(See Bulletin for Applicability)

Jan 16, 1967
DHC-6 6/183

Propeller Power Interlock
Mod. 6/1223
(A/C 1 thru 213)

Apr 16, 1969 Jul 29, 1969 'B'
DHC-6 6/103

Flap System - Check Valve Introduction
Mod. 6/1084
(A/C 1 thru 105)

Feb 23, 1968
DHC-6 6/395

Instruments - Change of Attitude Indicator
Mods. 6/1656 and 6/1730
(A/C 1 thru 681)

Sep 5, 1980
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 6/315

Autofeather Bleed Resistor Installation
Mod. 6/1504
(A/C 291 thru 470 and any A/C Prior to 291 with Double-Pole Pressure Switches in Autofeather System)

Aug 16, 1974
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 6/18

Overhead Console - Improved Throttle Lever Installation
Mod. 6/1025
(A/C 1 thru 35)

May 12, 1967
DHC-6 V6/0044

Fuel Gallery Corrosion Control

Sep 13, 2021 Oct 4, 2021 'A'
DHC-6 6/199

Nose Landing Gear - New Steering Actuator Lever
Mod. 6/1250
(A/C 1 thru 270)

Oct 31, 1969 Nov 19, 1971 'A'
DHC-6 6/119

Fuselage Bottom Skins - Drain Holes
Mod. 6/1130
(A/C 1 thru 135)

Mar 26, 1968
DHC-6 6/532

NOT ISSUED

DHC-6 6/331

PT6-20 Engine/Power Turbine Containment
(A/C 2 thru 230 Less 130 and 210)

Apr 16, 1975
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 6/34

Engine Cowl Camloc Latches - Inspection
(A/C 1 thru 40)

Jul 7, 1967
DHC-6 6/251

Power Plant Fire Detectors
Mod. 6/1307
(A/C 1 thru 230)

Feb 19, 1971
DHC-6 6/215

AC/DC Electrical Power System Modified
Mod. 6/1274
(A/C 6 thru 310)

Apr 17, 1970 Jun 7, 1971 'C'

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