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 1661 - 1680 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-27-74

Flight Controls - Roll Spoiler Actuator Unload Valve Replacement
- Modification 7/2458
(A/C 3 and Sub.)

Jan 17, 1986
DHC-7 7-26-5

Fire Protection - Detection System Cable Assembly with Hermetically Sealed Connectors
- Modification 7/2148
(A/C 003 thru 122)

Oct 28, 1982
DHC-7 7-24-55

Electrical Power - D.C. Generator Control Unit Type U13866/1, U13866/2 and U13866/3
- Lucas Aerospace Modification 5184 CG (A/C 1 and Sub. with U13866 DC Generator Control Unit)

Feb 17, 1984
DHC-7 7-24-13

A.C. System 400 Hz - Paralleling Control Box - To Replace Modification 7/1689 (A/C 1 thru 14)

Oct 26, 1979 Oct 17, 1986 'B'
DHC-7 7-34-35

Navigation - Ground Proximity Warning System - Installation of Steep Approach Adapter
- S.O.O. No. 7181
(A/C 1 and Sub.)

Mar 6, 1987 Oct 30, 1987 'B'
DHC-7 7-71-5

Forward Engine Firewall Rework -  To Accommodate Pratt and Whitney Synchrophaser Trimmer Head Housing -  Modification 7/1760
(A/C 1 thru 25)

Nov 28, 1980
DHC-7 7-21-8

Air Conditioning - Toilet Compartment
- E.O. 70927
(A/C 1 thru 27)

Mar 28, 1980
DHC-7 7-32-82

Landing Gear - Welded Assemblies for Main Landing Gear Door Mechanism Mounting Bracket
- Modification 7/2512 (A/C 1 and Sub.)

Oct 17, 1986 Dec 12, 1986 'A'
DHC-7 7-31-1

Flight Data Recorder System - Inspection and Removal of Redundant Wire
(A/C 1 thru 20 and 22)

May 30, 1980
DHC-7 7-55-2

Fore Rudder - Addition of Reinforcing Angles
- Modification 7/1393
(A/C 3, 4, 6, 7 and 9)

Jan 31, 1979 May 11, 1979 'A'
DHC-7 7-27-90

Flight Controls - Ground Spoilers - Installation of In-Line Filters in Hydraulic Pressure Hoses
- Modification 7/2741
Serial Numbers 003 thru 113

Sep 3, 1999
DHC-7 7-27-9

Elevator - Rework of Spring Tab Push Rod Fairing Attachment
- Modification 7/1489 (A/C 1 thru 4, 6, 7 and 9)

Feb 23, 1979
DHC-2T 2/42

Not Applicable

DHC-2T V2/0002

Not Issued

DHC-2T 2/43

Wing Strut Assemblies - Continuing Integrity

Aug 14, 1987
DHC-2T V2/0003

New Cabin Door Windows that incorporate a "Push-out" Feature

Jul 18, 2010 Oct 25, 2010 'A'
DHC-2T 2/44

Landing Gear -Main Gear Compression and Rebound Blocks - Replacement with Blocks made from Polyurethane -Modification No.2/1539

May 27, 1988
DHC-2T V2/0004

Installation of an Automotive Style Cabin Door Latch System

Nov 15, 2010 May 18, 2012 'A'
DHC-2T 2/45

Doors - Safety Placards - Inspection and Rectification

Aug 19, 1988 Apr 16, 1993 'A'
DHC-2T V2/0005

Corrosion Inspection - Elevator Control Rod and Elevator Actuating Lever Control Column

Mar 26, 2012 Mar 4, 2015 'B'

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