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 1641 - 1660 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
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 7-55-7

Stabilizers - Elevators - Installation of Upper Surface Fairings, Removal of Trim Tab Hinge Cover Plates and Trimming of Lower Surface Fairings, Cover Plates and Elevators Trailing Edge Bottom Skin
- Modifications 7/2203, 7/2217 and 7/2230 (A/C 3 thru 92)

Jul 16, 1982
DHC-7 7-27-88

Flight Controls - Flap Actuators - Removal of Screwjack Corrosion and Introduction of Improved Protection
- Modifications 7/2367, 7/2368 and 7/2369 Serial Numbers 003 thru 113

Sep 25, 1992
DHC-7 7-24-41

Electrical System - Fuel Tank Transmitter Cable - Receptacle Replacement
- Modification 7/1999 (A/C 1 thru 92)

Mar 12, 1982
DHC-7 7-52-4

Outer Nacelle Lower Access Door -  To Provide Water Drain Holes
-  Modification 5/1278
(A/C 1, 2 and 4)

May 19, 1978
DHC-7 7-22-6

Autopilot Systems
(A/C 3 and Sub.)

Nov 1, 1982 Dec 13, 1983 'B'
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 7-33-5

Electrical Panel Lights for Radio Navigation Control Display Units

Dec 7, 1979
DHC-7 7-32-4

Nose Landing Gear - To Add Protective Cover to Weight Switches
- Modification 7/1309
(A/C 1, 2 and 4)

Nov 22, 1978
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 7-57-6

Wing - No. 4 Flap Track Link Attachment Bracket Barrel Nuts - Special Inspection and Rectification
- DHC E.O. 72139
(A/C 3 thru 42)

Apr 2, 1981 Aug 14, 1981 'B'
DHC-7 7-28-12

Fuel System - Deletion of Refuel/Defuel Vent Line
- Modification 7/2186
(A/C 1 and Sub.)

Dec 10, 1982
DHC-7 7-24-52

Electrical System - Wing Root Terminal Block Relocation
- Modification 7/2317 (A/C 3 thru 112)

Apr 6, 1984
DHC-7 7-52-34

Doors - Airstair Door - Locking Mechanism Monitoring Switch Relocation
- Modification 7/2513
(A/C 3 thru 107)

May 16, 1986
DHC-7 7-52-19

Airstair Door - Hinge Adjustment
- Modification 7/1741
(A/C 3 thru 10, 12 thru 17, 19, 21, 22, 24 and 26)

Sep 26, 1980 Jan 23, 1981 'A'
DHC-7 7-23-2

Avionics - Voice Recorder Attenuation
- Modification 7/1311
(A/C 1, 2 and 4)

May 18, 1979
DHC-7 7-33-21

Lights - Flight Compartment Utility Lighting Rheostat Switch Change
- Modification 7/2565
(All A/C)

Sep 2, 1988
DHC-7 7-32-20

Nose Landing Gear - Replacement of Outer Drag Strut and Sub-Assembly
- Modification 7/1372 (A/C 1 thru 25)

May 9, 1980 Oct 2, 1981 'A'
DHC-7 7-11-7

Aircraft Operation at 44,000 lb. All Up Weight
(A/C 3 thru 7, 9 and 10) following Incorporation of Modifications 7/1271, 7/1337 and 7/1393)

Feb 15, 1979
DHC-7 7-27-6

Wing Ground Spoilers - To Inspect, Replace and/or Repair Hinge Arm
- Modification 7/1456
(A/C 1 thru 4, 7 and 9)

Sep 1, 1978 Jan 5, 1980 'B'

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