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 1541 - 1560 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 A7-32-15

Main Landing Gear - Emergency Extension System - Special Inspection
(A/C 1 thru 15)

Nov 26, 1979
DHC-7 7-61-17

Propellers - Installation of Metal Sheathing to Blades and Spinners
- Modification 7/2440
(A/C 1 thru 107, less 54, 62 and 66)

Nov 15, 1985
DHC-7 7-11-31

Placards and Markings - Additional Current Limiting Labels
- Modification 7/2455
(A/C 3 thru 102)

Sep 13, 1985
DHC-7 7-28-23

Fuel - Left and Right Hand Tanks - Special Inspection for Bonding Integrity and Condition of the Bonding Jumpers, Conduit, Probes and Related Components
- Modification 7/1397 (A/C 3 thru 113)

Aug 20, 2002
DHC-7 7-54-16

Inboard Nacelles - Improved Fairing Door Cable Installation
- Modification 7/2454
(A/C 003 thru 132)

Jan 17, 1986
DHC-7 7-27-35

Flying Controls - Flap System Duplicate Drive - To Introduce Double Universal Joint at Angle Gearbox
- Modification 7/1744 (A/C 1 thru 52)

Oct 23, 1981
DHC-7 7-52-7

Cargo Door Actuator - Replacement of Actuator Housing
- Modification 7/1594
(A/C 7, 9 thru 12 and 15)

Sep 28, 1979 Mar 17, 1980 'B'
DHC-7 7-25-28

Rear Baggage Compartment -  Floor Bulkhead Gap Sealing
-  Modification 7/1506
(A/C 1 thru 10)

Oct 9, 1981
DHC-7 7-33-8

Avionics Advisory Lights - Wiring Revision for Aircraft Incorporating Radio
Altimeter Dual Installation
- Modification 7/1831
(A/C 22)

Feb 13, 1981
DHC-7 7-24-17

Proximity Switch Rework - To Prevent Ingress of Moisture
(A/C 1 and Sub. as required)

Sep 5, 1980
DHC-7 7-32-31

Main Landing Gear - Drag Strut Bearing Housing Installation - Special Inspection and Rectification
(A/C 1 thru 23)

Oct 10, 1980
DHC-7 7-32-32

Main Landing Gear Brake Assembly
- Improved Insulator Back-Up Plate (All A/C)

Oct 24, 1980
DHC-7 7-71-15

Power Plant - Torquemeter Cylinder - Pratt and Whitney S/B 4066
(All A/C with PT6A-50 Engines Prior to Serial Number PC-E86272)

Jun 18, 1982
DHC-7 7-21 -13

Air Cycle Machine - Heat Exchanger Duct Joint Improvements
- Modification 711 783
(DASH -7 - With Heat Exchangers)

Jul 3, 1981
DHC-7 7-29-12

Hydraulic System - Engine Driven Pumps -  Installation Improved Pressure Hoses
-  Modification 7/2157
(A/C 3 thru 78)

Oct 1, 1982
DHC-7 7-56-2

Windscreen Installation - To Replace Flush Head Screws with Hex Head Screws
- Modification 7/1207 (A/C 4)

Aug 14, 1978
DHC-7 7-27-52

Flight Controls - Replacement of Trailing Flap Potentiometer with Fixed Resistors
- Modification 7/2093
(A/C 3 thru 89 and 91)

Apr 15, 1983 Mar 20, 1987 'B'
DHC-7 7-52-23

Airstair Door - To Improve Seal Deflation System
- Modification 7/1868 (A/C 1 thru 45 less 36)

Jun 15, 1981
DHC-7 7-25-45

Furnishings - Relocation of Crew Seat Inertia Reel Lockout Levers
- Modification 7/2388
(A/C 1 thru 97)

May 4, 1984
DHC-7 7-34-1

Flight Data Recorder - Addition and Revision to Circuitry
- Modification 7/1261
(A/C 1, 2 and 4)

Apr 20, 1979 May 28, 1979 'A'

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