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 81 - 100 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-25-4

Furnishings - Installation of Stowage Container for Manuals
- Modification 7/1317
(A/C 1 thru 7 and 9)

Mar 9, 1979
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 7-39-4

Instruments - Turn and Slip Indicator -  To Compensate for 90_ Instrument Panel Slope
-  Modification 7/1577
(A/C 1 thru 27 less 23)

May 9, 1980
DHC-7 7-71-23

Power Plant - Improved Engine Mount Assembly - Incorporation of Shim
- Lord S/B SM6204-71-01

Oct 25, 1985
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 A7-32-100

Landing Gear - Inspection of Main Landing Gear Upper Lockstrut (and rectification)
All Aircraft

Jul 7, 1993 Aug 30, 1993 'A'
DHC-7 7-32-8

Main Landing Gear - Special Inspection
(A/C 1 thru 11)

Apr 30, 1979
DHC-7 7-57-3

Flight Controls - Improved Aileron Circuit Cable Guard
- Modification 7/1344
(A/C 1, 2, 4 and 9)

Jul 20, 1979
DHC-7 7-73-2

PT6A-50 Fuel Manifold - Special Inspection
(A/C 1 thru 14)

Sep 7, 1979 Feb 18, 1983 'B'
DHC-7 7-28-16

Fuel - Fuel Line Flow Control Valve Replacement
- Modification 7/2300
(A/C 1 thru 112)

Aug 31, 1984
DHC-7 7-52-31

Doors - To Improved Sealing of Emergency Exits and Baggage Door
- Modification 7/2304
(A/C 3 thru 99)

Sep 9, 1983 Jan 27, 1984 'A'
DHC-7 7-27-27

Flight Controls - Control Pulley Cable Guard - Special Inspection
(A/C 1 thru 31)

Dec 12, 1980 Oct 2, 1981 'A'
DHC-7 7-25-20

Cargo Divider Bulkhead - Addition of Smoke Seal
- Modification 7/1675 (A/C 9, 10, 12, 20 and 23)

Feb 13, 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 7-52-12

Nose Landing Gear Doors - Increased Diameter Hinge Pins
- Modification 7/1487
(A/C 1 thru 7, 9 and 10)

Nov 16, 1979
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 7-33-13

Lights - Wing Tips - Installation of Dual Lights on Shock Mounts
- Modification 7/2410
(A/C 1 thru 112)

Oct 11, 1985
DHC-7 7-32-24

Nose Landing Gear - Wheel Bearing Inspections - Nosewheel Hub Cap and Axle Pin Replacement
- Modification 7/1860
(A/C 1 thru 25)

May 23, 1980 Oct 10, 1980 'A'
DHC-7 7-57-19

Wings - Rear Mounting Adapter Plates -  Inspection, Rectification and Modification
-  Modification 7/2355 (A/C 1 thru 99)

Feb 24, 1984
DHC-7 7-76-11

Engine Controls - Cables - Installation of Turnbuckles in Wing Leading Edge
- Modification 7/2418
(A/C 1 and Sub.)

Apr 11, 1986

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