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 1581 - 1600 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-53-25

Fuselage - Improved Sealing of Upper Access Panels - Wing to Fuselage Fairing
- Modification 7/2306
(A/C 1 thru 99)

Oct 28, 1983 Jan 27, 1984 'A'
DHC-7 7-29-15

Hydraulic Power - Engine Driven Pump -  Configuration Change
-  Modification 7/2246
(A/C 3 thru 99)

Apr 29, 1983
DHC-7 7-34-9

Pitot Heat - Introduction of Protective Covering
(A/C 1 thru 7 and 9)

Jan 9, 1981
DHC-7 7-32-56

Landing Gear - Nosewheel Steering
-  Time Delay Relay Replacement
-  Modification 7/2309 (A/C 3 thru 113)

Apr 29, 1983 Mar 22, 1985 'A'
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 7-27-13

Flap Control System - Primary Torque Tube - Special Inspection
(A/C 1 thru 14)

Sep 19, 1979 Oct 15, 1982 'A'
DHC-7 7-61-8

Propellers - Incorporation of Improved Bearing Race
-  Hamilton Standard S/B 61-1027
(Effectivity - See Hamilnto Standard S/B 61-1027)

Oct 9, 1981
DHC-7 7-21-9

Bleed Air System - To Install Diverter Valve
- S.O.O. 7066
(A/C 1 and Sub. as required)

May 30, 1980 Oct 2, 1981 'A'
DHC-7 7-25-6

Furnishings - To Provide New Stowage Containers for Improved Food Table Assemblies
- Modification 7/1334 (A/C 1 thru 7, 9 and 10)

Apr 30, 1979 Jan 18, 1980 'A'
DHC-7 7-32-51

Main Landing Gear - Special Inspection of Retraction Actuator Rod End Securing Bolt
(A/C 3 and Sub.)

Mar 25, 1983
DHC-7 7-54-7

Nacelle Aft End Fairing Doors -  To Replace Bungee Cord Spring with Steel Wire Coil Springs
-  Modification 7/1374
(A/C 1 thru 4, 6, 7, 9 and 10)

May 25, 1979
DHC-7 7-30-11

De-Icing System Distributor Valves - Bendix Corporation Service Bulletin 127
(A/C 1 and Sub. with Serial Numbers 1U thru 573U and all valves in Spares Holdings)

May 14, 1982
DHC-7 7-34-25

Navigation - Data Nav. 11 System Component Improvements
- Modification 7/2207
(A/C 1 thru 112 with S.O.O.
7076 Installation of Data Nav. 11 System)

Jun 17, 1983
DHC-7 7-32-72

Landing Gear - Nose Landing Gear Shimmy Suppression Balance Weight Installation
- S.O.O. 7173

May 24, 1985 Feb 21, 1986 'A'
DHC-7 7-24-30

Electrics - Addition of Pitot Heat Power Supply Indication
- S.O.O. 7084
(A/C 1 thru 38)

Feb 13, 1981 Mar 27, 1981 'A'
DHC-7 7-27-29

Flight Control System - Flap Screwjack Tracks No. 2 and 3 - Special Inspection for Locking of End Attachment
(A/C 3 thru 36 with 7/1590 and/or 7/1591)

Jan 19, 1981 Aug 21, 1981 'A'
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 7-21-25

Air Conditioning - Avionic Fan Inlet Extensions
- Modification 712264
(A/C 3 thru 105)

Sep 21, 1984 Mar 22, 1985 'A'
DHC-7 7-25-22

Baggage Compartment/Cabin Bulkhead -  Installation of Seals
-  Modification 7/1369 (A/C 1 thru 12)

Mar 27, 1981 Dec 4, 1981 'A'
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'

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