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 141 - 160 of 1698

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-32-45

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

 Feb 12, 1982
DHC-7 7-92-3

Components Installed in de Havilland Aircraft of Canada Limited (DHC) Products
(A/C 1 & Sub.)

 Aug 31, 1984
DHC-7 7-61-14

Propellers - Blade Trailing Edge Repair
-  Hamilton Standard S/B 61-1038
(Effectivity - See Hamilton Standard S/B 61-1038)

 Jun 25, 1982
DHC-6 6/350

Power Distribution Circuit Breaker Panel - Insulating Barrier Installation
Mod. 6/1612
(A/C 1 thru 510)

 Jun 25, 1976
DHC-7 7-23-7

Communications - Improved to Cockpit Voice Recorder Tape Circuits
(All A/C with Sundstrand Voice Recorder Installed)

 May 8, 1981
DHC-7 7-27-43

Flight Controls - Improved Second Stage Flap Dump Selector Valve
- Modification 7/2002
(A/C 1 thru 51)

 Mar 12, 1982
DHC-6 6/270

Caution Lights Dimming Control Box
Mod. 6/1373
(A/C 1 thru 330)

 Mar 5, 1971
DHC-7 7-11-12

Avionics - Emergency Locator Transmitter Battery - Installation of Label
- Modification 7/1742
(A/C 1 thru 22)

 Nov 7, 1980
DHC-7 7-25-36

Furnishings - Emergency Locator Transmitter - Provision of Dual Frequencies
- Modification 7/1875
(A/C 1 thru 27 with Emergency Locator Transmitter)

 Jan 15, 1982
DHC-7 7-35-4

Oxygen - Installation of Portable First Aid Oxygen Cylinder (625 Liters) in Aft End of Cabin
- S.O.O. 7172
(A/C 3 and Sub.)

 Apr 25, 1986
DHC-2 2/33

Not applicable

DHC-2T 2/54

Not Applicable

DHC-6 6/146

Main Landing Gear - Wheel Brake Unit - Attaching Bolt Torque Requirement
(Incorporated in Maintenance Manual, PSM 1-6-2, Revision 1st, May 1968)

 May 27, 1968
DHC-7 A7-32-93

Landing Gear - Main Gear Upper Lock Strut - Special Inspection
(All Aircraft)

 Jan 30, 1989
DHC-2 TB/14

PT6A-6 & PT6A-20 Engine Vibration Isolators - Replacement

 Feb 7, 1968
DHC-7 7-71-12

Compressor Wash Installation
-  Modification 7/1524 (A/C 3 thru 27)

 Aug 13, 1982
DHC-6 6/426

Power Plant - Fuel Manifold Adapter with Nozzle of Increased Flow - To Introduce P & WC S/B 1117
(A/C 231 and Sub.)

 Apr 23, 1982
DHC-6 6/367

Float Installation - Drain Tube Assembly Installation Check
(All A/C equipped with Floats)

 Nov 4, 1977
DHC-7 7-30-22

Ice and Rain Protection - Elevator Horn Heaters - Replacement of Thermostats
- Modification 7/2470
(A/C 3 and Sub.)

 Jun 13, 1986
DHC-7 7-23-24

Communications - Flight Attendant's Emergency Mask Mic Installation Provisions - Modification 7/2581 (A/C 1 and Sub.)

 Apr 7, 1989

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