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 61 - 80 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-2 TB/36

Transmittal Document for Modification Bulletin T2/2062 - "Range Markings - Propeller & Gas Generator Tachometer - To Recalibrate" (Refer to Mod. Bulletin for Data)

Feb 6, 1970
DHC-6 6/97

Battery - 39 AMP/HR Heavy Duty - Introduction
S.O.O. 6018
(A/C 1 thru 135)

Feb 1, 1968
DHC-6 6/284

Special Inspection - Engine Barrel Nuts
(A/C 211 thru 318)

Aug 31, 1971
DHC-7 7-24-18

A.C. Generator Control Unit Replacement
- Modification 7/1777 (A/C 1 thru 22)

Aug 15, 1980
DHC-7 7-73-3

Fuel Flow Transmitter - Replacement -
Modifications 7/1781 and 7/1946
(A/C with Fuel Flow Transmitters TFF2911-2 or TFF2911-3)

Jun 19, 1981
DHC-7 7-27-36

Flight Controls - Control Column Forward Sealing Plate Assembly - Inspection and Rectification - DHC E.O. 72195
(A/C 3 thru 53, 55, 56, 57 and 59)

Nov 6, 1981
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 7-52-34

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

May 16, 1986
DHC-2 V2/0010

Inspection - Front Fuselage Struts and Airframe Lugs

Apr 3, 2020
DHC-7 7-25-29

Furnishings - Toilet Door Lock Mechanism Rework
- Modification 7/2063
(A/C 3 thru 52 less 51)

Nov 6, 1981
DHC-6 V6/0010

Fastener Corrosion Prevention for Carbon Fibre Composite Assemblies
(DHC-6/400 S/N 845, 846 & 849)

May 26, 2011
DHC-7 7-32-45

Nose Landing Gear - Hydraulic Line Relocation
- Modification 7/1283 (A/C 1 thru 12)

Feb 12, 1982
DHC-6 6/61

De-Icing System - Inspection for Condensate
(All A/C equipped with airframe de-icing)

Nov 9, 1967
DHC-6 6/194

Labels - Weight Limitations - Nose and Rear Baggage Compartments
(All A/C)

Jul 24, 1969
DHC-7 7-34-17

Navigation - R/NAV Interface Box
-  Addition of Capacitor
-  Modification 7/2014
(A/C 3 thru 57 with Area Navigation System S.O.O. 7016)

Mar 5, 1982
DHC-3 3/40

Landing Gear - Ski/Amphibious Float Electric Motor/Pump Replacement - Modification 3/931

Mar 30, 1984
DHC-2 TB/53

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

Dec 11, 1981
DHC-6 6/114

Engine Controls - U.A.C.L. Special Instructions
(All A/C)

Mar 8, 1968
DHC-7 7-24-35

Electrical System - Variable Frequency A.C. Power - Special Inspection of Cable Assembly (A/C 1 thru 68)

Oct 2, 1981
DHC-7 7-57-23

Wings - Reinforcement of Inboard Trailing Flap Fairing Attachment Areas
- Modification 7/2302
(A/C 3 thru 82)

Jul 6, 1984

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