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 1481 - 1500 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issue
DHC-7 7-24-7

Airframe De-Ice and Indication System Inspection for Correct Termination of Tail Switches De-Ice Distribution Valve Pressure
- Special Inspection (A/C 3, 4, 6, 7, 9 and 10)

Jun 1, 1979
DHC-7 7-24-69

Electrical Power - DC Elect. Load Distribution - Replacement of Hardware at Firewall Terminal Block
- Modification 7/2617 All aircraft

Oct 8, 1993
DHC-7 7-24-68

Electrical Power - Special Inspection and 02 Aug 91 Rectification of AC Generator Feeder Cables for
Chafing Inside AC Contactor Boxes All aircraft

Aug 2, 1991
DHC-7 7-24-67

Nacelle Longeron / D.C. External Power Ground Stud - Rework to Minimize Corrosion
-  Modification 7/2599
(DHC-7 A/C with Modification 7/2577)

Jun 29, 1990
DHC-7 7-24-66

Electrical Power - Special Inspection of Main Landing Gear Frame Bolts and Relocation of
External Power Ground Studs
- Modification 7/2577
(All A/C)

Oct 28, 1988 Jun 23, 1989 'B'
DHC-7 7-24-65

Electrical Power - Special Inspection and Rectification of Circuit breakers
(A/C Serial Number 102 and all other A/C serial numbers that have had Suspect Circuit breakers Installed during In-Service Maintenance or Modification)

Jan 23, 1987 May 8, 1987 'C'
DHC-7 7-24-64

Electrical Power - Battery Temperature Monitor - Change of Type
- Modification 7/2469
(A/C 3 and Sub.)

Nov 14, 1986
DHC-7 7-24-63

NOT ISSUED

DHC-7 7-24-62

Electrical Power - Additional Bus Bars Installation
- Modification 7/2515
(A/C with Modification 7/2254)

Aug 29, 1986
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-7 7-24-60

Electrical Power - A.C. System 400 Hz
-  Replacement of Paralleling Control Box
-  Modification 7/2459 (A/C 1 thru 107)

Nov 29, 1985
DHC-7 7-24-6

Electrical System - AC Bus Fail Relay Protection
- Modification 7/1477 (A/C 1, 2, 3, 4, 7 and 9)

Nov 3, 1978 May 11, 1979 'A'
DHC-7 7-24-59

Electrical Power - Flight Compartment Circuit breakers - Installation of Colour Coded Discs
- Modification 7/2404
(A/C 3 and Sub. without S.O.O. 7137)

Jan 17, 1986
DHC-7 7-24-58

Electrical Power - Replacement A.C. Generator
- Modification 7/2097
(A/C 1 thru 107)

Jun 15, 1984 Feb 20, 1987
DHC-7 7-24-57

Electrical Power - Distribution Cable Lug Ends Inspection for Integrity
(A/C 3 and Sub.)

Dec 21, 1983 Dec 14, 1984
DHC-7 7-24-56

Electrical Power - Wing Root and Flap Shroud Electrical Conduits - Special Inspection for Chafing of Wiring Insulation (A/C 3 thru 97)

Apr 19, 1984
DHC-7 7-24-55

Electrical Power - D.C. Generator Control Unit Type U13866/1, U13866/2 and U13866/3
- Lucas Aerospace Modification 5184 CG (A/C 1 and Sub. with U13866 DC Generator Control Unit)

Feb 17, 1984
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 7-24-53

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

Mar 30, 1984 Aug 15, 1986
DHC-7 7-24-52

Electrical System - Wing Root Terminal Block Relocation
- Modification 7/2317 (A/C 3 thru 112)

Apr 6, 1984

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