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 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-2T 2/51 ASB

Flight Controls - Special Inspection of Link Stop in Aileron Control Chain

Mar 15, 1996
DHC-2 TB/53

Front Float Fitting - Improved Corrosion Resistance - Modification Bulletin T2/2076

Dec 11, 1981
DHC-7 7-24-47

Electrical - Relocation of Resistor 3120-R2 on Relay Panel No. 4 - Modification 7/2016 (A/C 28 thru 41 - Modification 7/1452 (Digital Elapsed Time Clock)
(A/C 42 thru 92 - Modification 7/2016 by E.O. 74908 Prior to Delivery)

Aug 20, 1982
DHC-6 6/198

Electrical Power Supply - Blocking Diode
Mod. 6/1293
(A/C 1 thru 254)

Oct 22, 1969
DHC-7 7-32-61

Landing Gear - Nose Gear Emergency Extension Selector Valve Mounting Spacer Replacement
- Modification 6/1661 (A/C 1 thru 27)

Nov 18, 1983
DHC-6 6/534

NOT ISSUED

DHC-7 7-76-13

Engine Controls - Nacelle Throttle Quadrant
- Special Inspection for Fouling and Installation of Additional Washers to the Cable Guard Mounting Bolts
All Aircraft

Jan 28, 1994
DHC-7 7-22-12

Auto Flight - Introduction of Auto Pilot Disconnect Audible Alert Unit
- S.O.O. 7186
(A/C 3 and Sub. without Modification 7/2545)

Mar 4, 1988
DHC-6 6/118

Engine Electrical System - Simultaneous Selection for Both Igniters
Mod. 6/1053
(A/C 6 thru 80)

Apr 3, 1968
DHC-7 7-30-21

Ice and Rain Protection - Snow Separator Actuator Cover - Improved Method of Sealing
- Modification 7/2456
(A/C 1 and Sub.)

Sep 6, 1985
DHC-7 7-57-24

Wings - Landing and Position Light Replacement Covers - Modifications 7/2376, 7/2380 and 7/2381
(A/C 1 thru 112)

Jun 22, 1984
DHC-6 6/38

Icing Limitation - Introducing Temporary Restriction of Operation - Refer to S/B 6/79,Definition of Requirements for De-Iced A/C
Mod. 6/1093
(A/C 1 thru 46)

Jul 20, 1967
DHC-7 7-27-81

Flight Controls - Rudder Restrictor Mechanism - Increased Clearance Between Sprocket Shaft and Elevator Trim Chain
- Modification 7/2553
(A/C with Modification 7/2387)

Mar 4, 1988
DHC-6 6/374

Float Sealing and Venting (All Canadian aircraft Products 12000, 12000A, B and C Model Floats)

May 19, 1978
DHC-7 7-53-16

Furnishings - Baggage Compartment -  Addition of Bulkhead Retaining Angle
-  Modification 7/1843
(A/C 1 thru 32)

Dec 12, 1980
DHC-3 3/17

Components Installed in de Havilland Aircraft of Canada (DHC) Products

Jun 2, 1971
DHC-7 7-27-1

Roll Spoiler Actuator - Seal Replacement
- Modification 7/1274 (A/C 4)

Jan 13, 1978
DHC-6 6/294

Magnetic Direction Indicators - Calibration Placard
(A/C 1 thru 302 and 311 thru 343)

Jun 8, 1972
DHC-7 7-34-30

Navigation - Horizontal Situation Indicator Replacement
- Modification 7/2335
(A/C 3 thru 112 with S.O.O. 7014-3)

Feb 24, 1984
DHC-2T V2/0009

Inspection - Wing Rear Spar

Jul 26, 2016

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