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 161 - 180 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-31-11

Indicating and Recording - Acceleration Switch Replacement
-  Modification 7/2593
All Aircraft except Serial Number 39

Dec 6, 1996
DHC-7 7-61-2

Propeller Mounting Bolt Lubrication
(All A/C)

Dec 6, 1978 Apr 28, 1981 'A'
DHC-7 7-11-16

Toilet Compartment - Addition of Call Button Label
- Modification 7/1884
(A/C 1 thru 29)

Mar 20, 1981
DHC-7 7-28-8

Fuel System - Special Inspection of Pressure Refueling Pilot Valves
- DHC E.O. 72080
(A/C 1 thru 29)

Mar 13, 1981
DHC-7 7-54-1

Inner Nacelles - Change of Rivets
- Modification 7/1337
(A/C 3 and 4)

Jul 4, 1978
DHC-7 7-27-20

Flap System - Power Control Unit Selector Quadrant - To Introduce Spring - Loaded brake Assembly
- Modifications 7/1548 and 7/1762
(A/C 1 thru 20: NOTE A/C 18, 19 and 20 only require the installation of Modification 7/1762)

May 23, 1980 Jan 20, 1984 'A'
DHC-7 7-38-1

Water/Waste - Addition of Drainage Line from Airstair Door Lower Sill
- Modification 7/2307
(A/C 1 thru 113)

Nov 25, 1983
DHC-7 7-25-13

Cooling Fans - Flight Compartment
- S.O.O. 7050
(A/C 1 and Sub.)

Nov 7, 1980
DHC-7 7-32-96

Landing Gear - Main Wheels/Brakes -  Inspection/Replacement of Brake Accumulator
All Aircraft

Mar 26, 1993
DHC-7 7-24-2

A.C. Generator - Introduction of Generator AE2132 MKII
- Modification 7/1342 (A/C 4)

May 5, 1978
DHC-7 7-32-16

Nose Wheel - Installation of Snow Guards
- S.O.O. 7070
(A/C 1 and Sub. as required)

Jan 5, 1980 Jan 28, 1980 'A'
DHC-7 7-61-18

Propellers - Installation of Metal Sheathing to Blades and Spinners
- Modification 7/2476
(All A/C with S.O.O. 7131)

Nov 15, 1985
DHC-7 7-11-32

Placards and Markings - Caution Labels for Cargo Door
- Modification 7/2465
(A/C 7, 9 thru 12, 20, 23, 31, 63, 72, 75, 81, 86, 94, 100, 104, 105 and 106)

Sep 13, 1985
DHC-7 V7-28-01

Fuel System - Fuel Probe Wiring Conduit Clamps - SFAR Compliance
- Modification No. V7-M2801

Aug 2, 2007 Sep 18, 2009 'B'
DHC-7 7-54-17

Nacelles - Inboard Nacelles - Main Landing Gear Door Mechanism Spigot Replacement
- Modification 7/2538
(A/C 3 thru 27)

Apr 17, 1987
DHC-7 7-27-36

Flight Controls - Control Column Forward Sealing Plate Assembly - Inspection and Rectification - DHC E.O. 72195
(A/C 3 thru 53, 55, 56, 57 and 59)

Nov 6, 1981
DHC-7 7-52-8

Rear Emergency Door - Installation of Restraining Bracket and Guard Assembly
- Modification 7/1316
(A/C 1 thru 4 and 7)

Oct 25, 1979 Dec 12, 1980 'A'
DHC-7 7-25-29

Furnishings - Toilet Door Lock Mechanism Rework
- Modification 7/2063
(A/C 3 thru 52 less 51)

Nov 6, 1981
DHC-7 7-33-9

Baggage Compartment Lights - Door Switch Control
- Modification 7/2064
(A/C 1 thru 92)

Jul 9, 1982
DHC-7 7-24-18

A.C. Generator Control Unit Replacement
- Modification 7/1777 (A/C 1 thru 22)

Aug 15, 1980

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