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 181 - 200 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-30-15

Deicing System - Mechanical Attachment 1 of Stall Bar to Wing Leading Edge
- Modification 7/2240
(A/C 3 thru 112)

Oct 28, 1983
DHC-6 6/448

Placards - Emergency Exit "EMERGENCY" Label Installation
Mod. 6/1697
(A/C 1 thru 667)

Jun 10, 1983
DHC-7 7-57-18

Wings - Flight Spoiler Actuator Access Cover -  To Provide `Formed in Place' Seal
-  Modification 7/2257
(A/C 3 thru 092)

Jan 6, 1984
DHC-7 7-27-75

Flight Controls - Second Stage Flap Dump Solenoid Valve Rework
- Modification 7/2481
(A/C 3 and Sub. with Modification 7/1734

Dec 6, 1985
DHC-7 7-53-10

Cargo Door - To Introduce Lubrication for Door Guide Rollers
- Modification 7/1702
(A/C 7, 9 thru 12, 15, 20 and 23)

Feb 29, 1980
DHC-3 3/11

Transmittal Document Modification Bulletin 3/912
'Elevator Trim Tab - Redesigned Mass Balance Arm'

Nov 11, 1968
DHC-7 7-34-24

Navigation - Installation DC7001D R. Nav. Computer 501-1328-01 Mod. 4
- Modification 7/2179
(A/C 3 thru 70 with Area Navigation System S.O.O. 7016)

Mar 31, 1983
DHC-2 2/03

Not applicable

DHC-6 6/208

Door Open Warning System
Mod. 6/1268

Sep 10, 1970
DHC-7 7-32-71

Main Landing Gear - Wheel and Brake Assembly - Flange Thickness Inspection and Brake Increased Wear Limits (B.F. Goodrich Service Letter 1348 and 1349)

Apr 19, 1985
DHC-6 V6/0001

Retrofit T5 Indication - C6VMK0002
(Series 300)

Feb 26, 2008
DHC-7 7-23-2

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

May 18, 1979
DHC-6 6/128

Flap Selector Valve and Actuator - Drip Tray Introduction
Mod. 6/1107
(A/C 1 thru 105)

Apr 4, 1968
DHC-7 7-31-2

Digital Flight Recorder - Addition of Reflection Strips, Add Jumper Between U8-13 and U8-14 and Relocation of R2 and R3 to Prevent Interference
(Effectivity - See Sundstrand S/Bs 573A-31-19, 573A-31-20 and 573A-31-21)

Nov 28, 1980
DHC-6 6/464

Air Conditioning/Cooling Fan Replacement and Relocation
Mod. 6/1852
(A/C 1 thru 814)

Aug 31, 1984
DHC-7 7-57-34

Wings - Foreflap - Introduction of New Leading Edge Ribs
- Modification 7/2532 (All Aircraft)

Sep 4, 1992
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-6 6/48

Low Suction Warning System - For Vacuum Instruments - Introduction
Mod. 6/1014
(A/C 6 thru 11)

Aug 22, 1967
DHC-7 V7-27-01

Solenoid Valve Flight Spoiler Servo Unloading - Screw Replacement

Oct 18, 2007
DHC-6 6/384

Filtering of Interference from Invermotor Fuel Pumps
S.O.O. 6173
(A/C with S.O.O. 6164, Mod. No's. 6/1610 or 6/1621)

Oct 5, 1979

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