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 1561 - 1580 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-27-49

Flight Controls - Rework of Upper Aft Rudder
- Modification 7/2141
(A/C 3 thru 112)

May 13, 1983
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-7 7-25-42

Furnishings - Replacement of Baggage Compartment Gilliner Panels and Reposition of Retaining Cleats
- Modification 7/2006 (A/C 3 thru 92 and 94)

Sep 16, 1983
DHC-7 7-33-22

Lights - Emergency Battery Lighting Power Supply Change
(A/C with 60-1321-1 and 60-3844-1 Power Supplies)

Jun 9, 1989 Oct 13, 1989 'A'
DHC-7 7-24-31

A.C. Generator Types AE2132 MK2, MK3 and MK4 - Examination of the Drive End Bearing Mounting Arrangement at Stipulated Intervals
(All A/C with Generators Type AE2132MK2, MK3, MK4 Installed)

Mar 27, 1981 Nov 13, 1981 'B'
DHC-7 7-32-45

Nose Landing Gear - Hydraulic Line Relocation
- Modification 7/1283 (A/C 1 thru 12)

Feb 12, 1982
DHC-7 7-73-4

Engine Fuel and Control - Relocation of Fuel Flow Transmitter
- Modification 7/1953
(A/C 1 thru 73)

Sep 18, 1981 Mar 19, 1982 'B'
DHC-7 7-21-26

Air Conditioning - Bleed Air System Shunt Duct lnstallation
- Modification 712451
(A/C 3 and Sub. - Without Modification 711909)

Nov 1, 1985 Aug 1, 1986 'A'
DHC-7 7-30-5

Windshield Wipers - To Reduce Travel Arc
- Modification 7/1727
(A/C 1 thru 27)

Sep 19, 1980 Dec 12, 1980 'A'
DHC-7 7-57-8

Wing Structure - Trailing Flaps - Removal of Rubber Stops at Actuators
- Modification 7/1731
(A/C 1 thru 34)

Sep 18, 1981
DHC-7 7-27-65

Flight Controls - Roll Spoiler Push Rod End Bearing Replacement
- Modification 7/2400
(A/C 1 thru 107)

May 17, 1985
DHC-7 7-52-36

Doors - Emergency Door Seal Air Supply Tubing - Change of Material
- Modification 7/2435
(A/C 3 and Sub.)

Jun 13, 1986
DHC-7 7-25-58

Equipment/Furnishings - Pilot's and Co-Pilot's Seat Installation
- Special Inspection of Seat Retaining bracket (A/C 3 and Sub. with SICMA Crew Seats)

Sep 2, 1988
DHC-7 7-34-14

Navigation - Gyroscopic Horizons 700 and Variants and 705-7 and Variants
(A/C 1 and Sub.)

Aug 21, 1981
DHC-7 7-24-47

Electrical - Relocation of Resistor 3120-R2 on Relay Panel No. 4 - Modification 7/2016 (A/C 28 thru 41 - Modification 7/1452 (Digital Elapsed Time Clock)
(A/C 42 thru 92 - Modification 7/2016 by E.O. 74908 Prior to Delivery)

Aug 20, 1982
DHC-7 7-32-61

Landing Gear - Nose Gear Emergency Extension Selector Valve Mounting Spacer Replacement
- Modification 6/1661 (A/C 1 thru 27)

Nov 18, 1983
DHC-7 7-76-13

Engine Controls - Nacelle Throttle Quadrant
- Special Inspection for Fouling and Installation of Additional Washers to the Cable Guard Mounting Bolts
All Aircraft

Jan 28, 1994
DHC-7 7-22-12

Auto Flight - Introduction of Auto Pilot Disconnect Audible Alert Unit
- S.O.O. 7186
(A/C 3 and Sub. without Modification 7/2545)

Mar 4, 1988
DHC-7 7-30-21

Ice and Rain Protection - Snow Separator Actuator Cover - Improved Method of Sealing
- Modification 7/2456
(A/C 1 and Sub.)

Sep 6, 1985
DHC-7 7-57-24

Wings - Landing and Position Light Replacement Covers - Modifications 7/2376, 7/2380 and 7/2381
(A/C 1 thru 112)

Jun 22, 1984

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