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 161 - 180 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-11-9

Cabin Pressure Data Label
- Modification 7/1659 (A/C 1 thru 17)

Mar 7, 1980
DHC-6 6/50

Fuel Boost Pump - Elect Control Providing Single Pump Operation
Mod. 6/1044
(A/C 1 thru 35)

Sep 20, 1967
DHC-7 7-28-1

Fuel System Level Control (Secondary) -  To Ensure Operation of Press -To-Test Indicator Lights During Refueling Operation
-  Modification 7/1253
(A/C 1, 2 and 4)

Mar 23, 1979
DHC-7 7-53-28

Front Fuselage - Flight Compartment Drainage Provisions
- Modification 7/2073
(A/C 3 thru 75 less 68)

Mar 23, 1984
DHC-2 2/21

Fuel Tank Selector Control System (All DHC-2 Beaver aircraft)

Nov 19, 1976
DHC-7 7-32-89

Landing Gear - Nose Gear Shock Strut Assembly - Upper Bearing Replacement
- Modification 7/2557
(A/C 1 thru 111)

Sep 2, 1988
DHC-6 V6/0019

Baggage Restraint Panel - Retrofit

Aug 30, 2013
DHC-7 7-23-20

Communications - Cockpit Voice Recorder
- Tape Deck Housing Connector Check and Replacement (The Cockpit Voice Recorder used in De Havilland Dash 7 A/C is Model AV-557B Part Number 980-6005-055)

Mar 9, 1984
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 7-32-9

Main Landing Gear - Replacement of Shock Strut Assembly Upper Bearing
- Modification 7/1574
(A/C 1 thru 7, 9 and 10)

May 18, 1979
DHC-6 6/482

Fuselage/Stabilizer - Closing Rib - Special Inspection and Rectification
E.O. 64046
(A/C 800 thru 821)

Jan 17, 1986
DHC-7 7-61-11

Propellers - Blade Retention in Barrel
-  Rework of Inner Bearing Race Set
-  Hamilton Standard S/B 61-1029
(Effectivity - See Hamilton Standard S/B 61-1029)

Mar 26, 1982
DHC-7 7-11-25

Placards and Markings - Installation of Aircraft Manufacturer's Supplementary Label to Designate Aircraft Model Number Change
- Modification 7/2098
(Series 100 - 4, 5, 6 and Series 101 Cargo A/C 7, 9 and 10)

Sep 24, 1982
DHC-6 6/66

Trim Tab Elevator L.H. - Special Inspection
(All A/C)

Dec 1, 1967
DHC-7 7-28-17

Fuel System - Replacement Fuel Tank Pressure Relief Dump Valve
- Modification 7/2170
(A/C 28 thru 73 less 54, 62 and 66. A/C with S.O.O. 7123 or without Modification 7/1397 are not affected)

Jan 18, 1985
DHC-6 6/402

Aileron Control Quadrant - Replacement of Quadrant and Cable Guards
Mod. 6/1742
(A/C 1 thru 710)

Feb 13, 1981
DHC-7 7-54-10

Nacelles - Propeller Restraint - Ground Equipment Receptacle
- Modification 7/2007
(A/C 1 thru 62)

Feb 12, 1982
DHC-3 3/45

Wing Strut Assemblies - Continuing Integrity

Sep 18, 1987
DHC-6 6/322

Engine Cowling Reinforcement
Mod. 6/1497
(A/C 231 thru 427 Less 426)

Jan 24, 1975
DHC-7 7-52-1

Baggage Door - To Introduce Door Open Warning Microswitch to Handle
- Modification 7/1336
(A/C 4)

May 26, 1978

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