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. Title Original Issue Latest Issuesort ascending
DHC-7 7-27-76

Flight Controls - Elevator Trim Jack -  To Introduce a Water Drain Hole
-  Modification 7/2489
(A/C 3 and Sub.)

Jan 17, 1986 Jan 30, 1987 'B'
DHC-7 7-25-50

Equipment/Furnishings - Introduction of Crew Life Preservers TUL 6174-3
- Modification 7/2464
(A/C 1 thru 112)

Aug 1, 1986 Jan 30, 1987 'A'
DHC-7 7-32-82

Landing Gear - Welded Assemblies for Main Landing Gear Door Mechanism Mounting Bracket
- Modification 7/2512 (A/C 1 and Sub.)

Oct 17, 1986 Dec 12, 1986 'A'
DHC-7 7-24-54

Electrical Power - AC Generator Control Unit Type AE7065MK2
- Lucas Aerospace Modifications 5095CG and 5177CG
(A/C 1 and Sub. with AE7065MK2 AC Generator Control Unit)

Feb 17, 1984 Dec 5, 1986
DHC-7 7-34-33

Navigation - Ground Proximity Warning System - To Remove False Failure Alarm
- Modification 7/2461
(A/C with Sundstrand MK 11 Ground Proximity Warning System Installed)

May 16, 1986 Oct 31, 1986 'A'
DHC-7 7-24-13

A.C. System 400 Hz - Paralleling Control Box - To Replace Modification 7/1689 (A/C 1 thru 14)

Oct 26, 1979 Oct 17, 1986 'B'
DHC-6 6/483

Fuel System - Wing Tank Piping Installation - Special Inspection for Fretting Damage

Mar 28, 1986 Sep 26, 1986 'B'
DHC-7 7-11-33

Placards and Markings - Addition of Caution Label to Refuel/Defuel Control Panel
- Modification 7/2496 (A/C 1 thru 110 less 15)

Sep 14, 1985 Sep 12, 1986 'B'
DHC-7 7-24-53

Electrical System - Replacement D.C. Contactor
- Modification 7/2254 (A/C 1 thru 133)

Mar 30, 1984 Aug 15, 1986
DHC-7 7-21-26

Air Conditioning - Bleed Air System Shunt Duct lnstallation
- Modification 712451
(A/C 3 and Sub. - Without Modification 711909)

Nov 1, 1985 Aug 1, 1986 'A'
DHC-7 7-24-61

Electrical/Power - AC 400 Hz System
-  Ground Stud Segregation
-  Modification 7/2490 (A/C 3 and Sub.)

Mar 14, 1986 Jun 13, 1986 'A'
DHC-6 6/174

Wing Front Attachment Adapters - Special Inspection and Bolt Retorquing
Mod. 6/1248
(A/C 1 thru 210)

Jan 9, 1969 Apr 25, 1986 'D'
DHC-6 6/438

Stabilizers - Tailplane Front and Rear Attachment Brackets/Special Inspection and Replacement
Mods. 6/1808 and 6/1809
(A/C 3 thru 820)

Aug 12, 1983 Mar 28, 1986 'D'
DHC-6 6/474

Wings - Wing Struts Special Inspection for Internal Beam Corrosion
(All A/C)

Jun 14, 1985 Mar 28, 1986 'A'
DHC-7 7-22-9

Auto Flight - Autopilot Annunciator and System Coupling Switch Installation
- Modification 7/2070
(A/C 3 thru 86 and 89, 91, 94 and 95)

Oct 21, 1983 Feb 28, 1986 'B'
DHC-7 7-52-30

Doors - Redesigned Airstair Door Handrail Handle
- Modifications 7/2227 and 7/2238
(A/C 3 thru 103)

Apr 15, 1983 Feb 21, 1986 'B'
DHC-7 7-32-72

Landing Gear - Nose Landing Gear Shimmy Suppression Balance Weight Installation
- S.O.O. 7173

May 24, 1985 Feb 21, 1986 'A'
DHC-7 7-30-13

Propeller Deicing System - No. 1 and No. 2 Single Cycle Timer Replaced with Dual Cycle Timers
- Modification 7/2339
(A/C 3 thru 112)

Aug 10, 1984 Feb 7, 1986 'B'
DHC-7 7-27-54

Flight Controls - Rudder Pedal Adjustment Mechanism Overtravel Stop Plate Installation
- Modification 7/2252
(A/C 3 thru 112)

Jun 3, 1983 Jan 24, 1986 'A'
DHC-7 7-54-12

Nacelles - Improved Fairing Door Cable Installation
- Modification 7/2026
(A/C 003 thru 112 with Modification 7/1374

Nov 12, 1982 Jan 17, 1986 'A'

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