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 81 - 100 of 1683

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-24-20

Electric - D.C. Generator Control Unit Replacement
- Modification 7/1759 (A/C 1 thru 24)

Jul 4, 1980
DHC-7 7-32-34

Nose Landing Gear - Shock Strut Assembly -  Lubrication of Upper Roller Bearing and Rework of Inner Cylinder
-  Modification 7/1935
(A/C 1 and Sub. with Nose Landing Gear Serial Numbers 001 thru 036)

Jan 9, 1981 Aug 14, 1981 'A'
DHC-7 7-71-17

Power Plant - Electrical Cable Assembly and Connectors Replacement
- Modification 7/2196
(A/C 1 thru 112)

Sep 24, 1982 Apr 18, 1984 'C'
DHC-7 7-21-15

Air Conditioning - Cabin Temperature and Anti - Ice Controllers - Replacement of Current Limiting Resistor With Fuse (Effectivity - See Hamilton Standard S/B 21 -2032)

Oct 2, 1981
DHC-7 7-29-14

Hydraulic System - Outboard Nacelles -  Tube Assembly Replacement and Additional Clamp Installation
-  Modification 7/1835 (Serial Number 3 thru 22)
-  Modification 7/1845 (Serial Number 3 thru 30)

Sep 17, 1982
DHC-7 7-56-4

Windshield - Addition of Cover Plate
- Modification 7/1722
(A/C 1 thru 72)

Sep 25, 1981 Feb 12, 1982 'A'
DHC-7 7-27-54

Flight Controls - Rudder Pedal Adjustment Mechanism Overtravel Stop Plate Installation
- Modification 7/2252
(A/C 3 thru 112)

Jun 3, 1983 Jan 24, 1986 'A'
DHC-7 7-52-25

Furnishings - Toilet Door Latch Release Improvement
- Modification 7/2022
(A/C 3 thru 52 less 51)

Sep 4, 1981
DHC-7 7-25-47

Equipment and Furnishings - Relocation of Paper Towel, Tissue and Soap Dispenser
- Modification 7/2413
(A/C 1 thru 107)

May 31, 1985
DHC-7 7-34-3

Automatic Flight Control System
-  To Rework Dimming and Test System Wiring
-  Modification 7/1220
(A/C 4)-

Sep 21, 1979
DHC-7 7-24-36

Bleed Air Caution Light - To Overcome Spurious Illumination
- Modification 7/1842 (A/C 1 thru 52)

Nov 6, 1981 Apr 22, 1983 'B'
DHC-7 7-32-50

Nose Landing Gear - Steering Actuator Assembly - Shimmy Damping and Corrosion Prevention Rework
-  Modifications 7/2095 and 7/2195
(A/C 1 thru 68 - Modification 7/2095)
(A/C 1 thru 107 - Modification 7/2195)

Oct 1, 1982
DHC-7 7-76-2

Engine Controls - Throttle Control Rods
- Modification 7/1565
(A/C 1 thru 4, 6, 7, 9 and 10)

Feb 29, 1980
DHC-7 7-22-1

Autopilot Computer - Roll Channel Improvement
- Modification 7/1458 (A/C 1 - 4, 6, 7, 9 and 10)

Mar 23, 1979 Apr 30, 1979 'A'
DHC-7 7-30-10

Airframe Deicing System - Horizontal Stabilizer Water Separator
- Special Inspection and Rectification (A/C 4 thru 57, 59 thru 64, 69, 70)

Feb 26, 1982
DHC-7 7-57-13

Wing Outboard Leading Edge - Addition of Foam Blankets
- Modification 7/1853
(A/C 1 thru 34)

Mar 26, 1982 Aug 13, 1982 'A'
DHC-7 7-27-70

Flight Controls - Replacement Flight Spoiler Servo Actuator
- Modification 7/2408
(A/C 1 thru 112)

May 17, 1985
DHC-7 7-53-4

Rear Fuselage - Refuel/Defuel Control Panel Access Door Hold - Open Spring
- Modification 7/1488
(A/C 1 thru 10)

Jun 15, 1979
DHC-7 7-26-2

Power Plant - Fire Detection System Sensing Element Replacement
- Modification 7/1721
(A/C 1 thru 40)

Aug 15, 1980 Jan 13, 1981 'A'
DHC-7 7-34-19

Navigation - Flight Director Instrument System - Modification to Repair Nylon Gear and Gear Mounting Post Failures (A/C Equipped with Sperry Flight Systems Radio Deviation Indicators 2592920
Serial Number XXXX4899 and below)

Apr 8, 1982 Nov 19, 1982 'A'

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