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 101 - 120 of 1698

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-24-14

Electrical System - To Provide Independent Control of Inner and Outer Landing Lights
- Modification 7/1335 (A/C 3 thru 27)

Jan 5, 1980
DHC-7 7-57-7

Wing and Nacelle Structure - Barrel Nut Replacement
- DHC E.O. 72145
(A/C 28 thru 42 less 40)

Apr 28, 1981
DHC-7 7-52-35

Doors - Lower Airstair Door - Special Inspection, Rigging Check and Rectification of Door Locking Mechanism
(A/C 1 thru 112)

May 16, 1986
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-6 6/23

Icing Limitation - Clarification of Temporary Placard - See S/B 6
(A/C 1 thru 46)

May 16, 1967
DHC-6 6/537

NOT ISSUED

DHC-6 6/178

To Seal Fuselage/Wing Root Apertures to Offset Cabin Interior Contamination
Mod. 6/1194
(A/C 1 thru 200)

Jan 29, 1969
DHC-3 3/02

Tail Landing Gear Support Structure - Ski Aircraft - To Inspect

Mar 10, 1967
DHC-2 TB/45

Transmittal Document for Modification Bulletin T2/2072 "Engine Mount Bushing Replacement" (Refer to Mod. Bulletin for Data)

Jan 16, 1976
DHC-6 6/457

Non-Approved Components and Installations (All A/C)

Nov 25, 1983
DHC-6 6/98

Elevator Trim Controls - Swivel Pulley - Inspection and Rectification - (This S/B is Canceled by Incorporation of S/B 6/107)
(A/C 1 thru 105)

Feb 5, 1968
DHC-6 6/398

Removal of Propeller Blade Latches
Mod. 6/1716
(A/C 1 thru 615 Landplanes)

Oct 10, 1980
DHC-7 7-76-5

Engine Control Cables - Seal Plate Special Inspection and Rectification
- Special Inspection
(A/C 3 thru 65)

Oct 23, 1981
DHC-7 7-57-23

Wings - Reinforcement of Inboard Trailing Flap Fairing Attachment Areas
- Modification 7/2302
(A/C 3 thru 82)

Jul 6, 1984
DHC-7 7-28-21

Fuel - Fuel Tank Drain Valve Replacement
- Modification 7/2594
(A/C 1 and Sub.)

Aug 17, 1990
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 7-25-4

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

Mar 9, 1979
DHC-6 6/39

Horizontal Stabilizer to Fuselage Attachment Bolts - Bolt Safety Requirement
Mod. 6/1114
(A/C 1 thru 63)

Jul 27, 1967
DHC-6 V6/0010

Fastener Corrosion Prevention for Carbon Fibre Composite Assemblies
(DHC-6/400 S/N 845, 846 & 849)

May 26, 2011
DHC-6 6/194

Labels - Weight Limitations - Nose and Rear Baggage Compartments
(All A/C)

Jul 24, 1969

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