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, DHC-2 to DHC-7

View LIST

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact technical.publications@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 Technical Publications Administrator.

Displaying 141 - 160 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/526

Navigation - Installation of D.C. Attitude Indicator in Lieu of A.C. Attitude Indicator - SOO 6176
(All A/C)

Jul 6, 2001
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 7-22-4

Auto Flight - Rework to AFCS Relay Box
- Modification 7/1920
(A/C 28 thru 34)

Jan 15, 1982
DHC-6 6/110

Engine Instrument Range Markings - Requirements
Revision to Engine Manufacturer's
Mod. 6/1138
(A/C 1 thru 119)

Feb 29, 1968
DHC-6 6/446

Propeller - Corrosion Inspection
(All Hartzell Propellers in Service or Spares Holdings)

May 13, 1983
DHC-6 6/30

Fuel Booster Pumps - Interconnect Piping Change
Mod. 6/1048
(A/C 6 thru 55)

Jun 6, 1967
DHC-7 7-27-73

Flight Controls - Spoiler Control Servo Assembly - Addition of Flow Restrictor
- Modification 7/2405
(Effectivity - Refer to Parker S/B 265100-27-113)

Jul 19, 1985
DHC-6 6/366

Introduction of Improved Voltage Regulator
Mod. 6/1636
(All A/C)

Oct 21, 1977
DHC-7 7-53-8

Nose Landing Gear Emergency Handpump Door - To Improve Operation
- Modification 7/1384 (A/C 1 thru 12)

Nov 23, 1979
DHC-3 3/09

Altimeter - Introducing Alternative

Jun 27, 1968
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-3 3/10

Fatigue of DHC-3 Otter Structure - Component Replacement Times

Aug 26, 1969
DHC-7 7-26-6

Fire Protection - Fire Detection System Flexible Cable Connector Replacement (A/C 1 and Sub.)

Oct 19, 1984
DHC-7 7-34-23

Navigation - Radio Altimeter - Transmitter/ Receiver - Introduction of New Model
- Modification 7/2083
(A/C 3 thru 92 with S.O.O 7009 Radio Altimeter Installation)

Apr 29, 1983
DHC-2 2/02

Beaver Aircraft Equipped with Dowty Shock Strut Q- 3046-1 or
Q-3047-1, Distance Piece and Bearing - To Replace

Mar 8, 1967
DHC-7 7-24-56

Electrical Power - Wing Root and Flap Shroud Electrical Conduits - Special Inspection for Chafing of Wiring Insulation (A/C 3 thru 97)

Apr 19, 1984
DHC-6 6/207

Door Open Warning System Modified
Mod. 6/1239
(A/C 1 thru 260)

Jan 20, 1970
DHC-7 7-78-3

Exhaust - Engine Exhaust Duct Fairing
-  Improved Method of Attachment
-  Modification 7/2462
(A/C 3 & Sub. with Modification 7/2187)

Oct 11, 1985
DHC-7 7-23-1

Audio Integrating Systems - Wiring Revision
- Modification 7/1262
(A/C 1, 2 and 4)

Sep 29, 1978
DHC-6 6/127

Heating System - Duct Material Change
Mod. 6/1074
(A/C 1 thru 135)

Apr 15, 1968

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