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 181 - 200 of 1683

Bulletins RSS

Aircraft S/B No.sort ascending Title Original Issue Latest Issue
DHC-2 A2/51

Flight Controls - Special Inspection of Link Stop in Aileron Control Chain

Mar 15, 1996
DHC-2 A2/48

Fuselage - Wing Struts - Inspection of the Lower Steel End-Fitting Area

Aug 10, 1993
DHC-7 7-92-6

Miscellaneous - Aeroquip Hoses Type 601 -  Precautionary Inspection and Rectification
(A/C 1 and Sub.)

Feb 3, 1989 Sep 29, 1989 'C'
DHC-7 7-92-5

Miscellaneous - Life Preservers -  Precautionary Inspection of Inflator Assembly
(A/C 1 and Sub.)

Mar 4, 1988
DHC-7 7-92-4

Control Cables - Turnbuckle MS21251B Precautionary Inspection of Inflator Assembly
(A/C 1 & Sub.)

Jun 28, 1985
DHC-7 7-92-3

Components Installed in de Havilland Aircraft of Canada Limited (DHC) Products
(A/C 1 & Sub.)

Aug 31, 1984
DHC-7 7-92-2

Insulating Diode with Metallic End Cap (Effectivity - See Sperry Technical Newsletter 29-9000-03)

Nov 28, 1980
DHC-7 7-92-1

Cherrymax Rivets, Riveters and Pulling Heads - Conversion form Cherrylock Riveters

Oct 31, 1980
DHC-7 7-82-4

Water Methanol Injection System
-  To Introduce Orifice Assemblies to Facilitate Calibration
-  Modification 7/1549 and 7/1984 (A/C 4, 6 and 9 for Modifications 7/1549 and 7/1984)
(A/C 1 thru 36 less A/C 4, 6 and 9 for Modification 7/1984 only -  for A/C with S.O.O. 7025)

Sep 18, 1981 Jan 15, 1982 'A'
DHC-7 7-82-3

Water Methanol System - Replacement of Tank Quantity Transmitter
-  Modification 7/1532
(A/C 4, 6 and 9)

May 23, 1980
DHC-7 7-82-2

Instruments - Water/Methanol System - To Increase Minimum Quantity Indication
-  Modification 7/1718
(A/C 4, 6 and 9)

Apr 3, 1980
DHC-7 7-82-1

Water Methanol Quantity Indicator
-  Addition of Limit Marks on Face
-  Modification 7/1260
(A/C 1, 2 and 4 with S.O.O. 7025)

May 26, 1978
DHC-7 7-80-2

Electrical - Starter Generator - Addition of Torque Tightening Valves to Terminal Block Connectors - Lucas Aerospace Modification 5134CG
(A/C 1 and Sub.)

Sep 17, 1982
DHC-7 7-80-1

Starter Generators - To Revise Brush Spring Pressure Setting if Lucas Modification 5215B (S/B 24-649) has been Incorporated
(Effectivity - See Lucas Aerospace S/B 24-721)

Nov 28, 1980
DHC-7 7-79-6

Oil - Oil Cooler Drain Valve Replacement
-  Modification 7/2409
(A/C 1 thru 112)

Jun 28, 1985
DHC-7 7-79-5

Oil System - Engine Oil Low Pressure Warning Switch Replacement
-  Modification 7/2096
(A/C 1 thru 83 and all Spare Engines)

Apr 16, 1982 Sep 24, 1982 'A'
DHC-7 7-79-4

Oil Cooler Drain Valve Installation
-  Modification 7/1536 (A/C 3 thru 23)

Oct 16, 1981
DHC-7 7-79-3

Oil Cooler Exhaust Ducts - To Reinforce
-  Modification 7/1566
(A/C 1 thru 19)

Aug 15, 1980
DHC-7 7-79-2

Engine Oil Low Pressure Warning Switch
-  To Introduce Switch with Higher Setting
- Modifications 7/1465, 7/1876 and E.O. 72047
(A/C 1 thru 33)

Feb 2, 1979 Jan 30, 1981 'C'
DHC-7 7-79-1

Oil Breather Lines - To Relocate Discharge Outlet
-  Modification 7/1256
(A/C 1 thru 5 and 7)

Feb 16, 1979 May 28, 1979 'A'

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