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 1684

Bulletins RSS

Aircraft S/B No.sort ascending Title Original Issue Latest Issue
DHC-3 S.O.O. 3032

Wing Tip Strobe Lighting - To Introduce.

Sep 24, 1976
DHC-3 S.O.O. 3028

Requirements for Conversion from Military to Civil Type Aircraft.

Mar 14, 1975
DHC-7 NOTE:

Operators should be aware that Incorporation of this Modification Retrofit Kit 7MK1327 -003 also Necessitates the Installation of Modification 7/1704 - Baggage Door Stay Replacement - S/B 7-52-14

DHC-6 AV6/0039

Defective Engine Cowling Latches - P/N C6EC1002-95 (PDM60L1-2AA) Cowl Latches Installed

Dec 28, 2012
DHC-6 AV6/0030

Defective Engine Cowling Latches - P/N C6EC1002-93
(S/N 587, 652, 781, 849, 850, 852, 853 and 854)

Dec 2, 2011
DHC-7 A7-71-1

Power Plant - Propeller Engine Interface Fretting - Special Inspection
(A/C 1 thru 4, 7 and 9 Total Time in Excess of 1,000 Flight Hours)

Dec 15, 1978
DHC-7 A7-34-29

Navigation - Pitot Head Replacement
- (A/C 86, 89, 91, 94 and 95 and any others which have retrofit of Modification 7/2233 installed)

Jan 6, 1984
DHC-7 A7-32-98

Landing Gear - Extension and Retraction - Special Inspection of Downlock Microswitch Actuating Lever on Nose Landing Gear
Serial Numbers 3 thru 113

Jan 29, 1993
DHC-7 A7-32-97

Landing Gear - Initial Inspection and Test of Hydraulic Selector Valve Sterer
Part Number 57420 or 57420-3
Serial Numbers 3 thru 110 without Modification 7/2516

Nov 10, 1992
DHC-7 A7-32-94

Landing Gear - Emergency Down Release Cables - Inspection for Corrosion and Replacement of Cable Assemblies
- Modification 7/2609 All Aircraft

Sep 3, 1991 Nov 15, 1991 'A'
DHC-7 A7-32-93

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

Jan 30, 1989
DHC-7 A7-32-15

Main Landing Gear - Emergency Extension System - Special Inspection
(A/C 1 thru 15)

Nov 26, 1979
DHC-7 A7-32-103

Landing Gear - Special Inspection of Endcaps on Landing Gear Selector Valve (and Rectification)
- Modification 7/2742
All Serial Numbers

Sep 3, 1999
DHC-7 A7-32-102

Landing Gear - Brakes and Nose Doors
-  Special Inspection of Shuttle Valves and Replacement of Filter Fittings
All Models Serial Numbers 003 thru 113 with Brake Shuttle Valves
Serial Numbers 2162A thru 2244A installed

Oct 22, 1997 Nov 26, 1997 'A'
DHC-7 A7-32-100

Landing Gear - Inspection of Main Landing Gear Upper Lockstrut (and rectification)
All Aircraft

Jul 7, 1993 Aug 30, 1993 'A'
DHC-7 A7-30-19

Aircraft Flight in Plus 5 to Plus 10 Degrees Centigrade in Atmospheric Conditions of Visible Moisture - Procedural Change
(A/C 1 and Sub.)

Dec 10, 1984 Feb 20, 1985 'A'
DHC-7 A7-27-86

Flight Controls - Special Inspection and Rectification of Flap Indication Circuit in Flap Position Trim Control Box Assembly Serial Numbers 3 and subsequent with Modification 7/2093. Aircraft with Customer Special Installation 78358 (flap indication rework) are excluded

Dec 19, 1991
DHC-6 A6/387

Engine Controls - Propeller Reversing Interconnect Linkage - Special Inspection
(A/C 1 thru 230 Less 130 and 210)

Oct 10, 1979 Nov 16, 1984 'A'
DHC-3 A3/53

Ignition - Special Inspection of Firewall connector in Magneto Cable

Jul 4, 2006 May 28, 2004 'B'
DHC-2 A2/53

Not applicable

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