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 81 - 100 of 1683

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-23-3

Passenger Address System - Alternate Power Source Under Emergency Conditions
- Modification 7/1434
(A/C 1 - 4, 6, 7, 9 and 10)

 Jun 13, 1980
DHC-7 7-31-3

Communications - Cockpit Voice Recorder Model AV-557B Installation or Provisions for Underwater Locating Device (ULD)
- S.O.O. 7073
(A/C 1 and Sub. as required)

 Jan 16, 1981
DHC-7 7-57-35

NOT ISSUED

DHC-7 7-11-8

Hydraulic System - Introduction of Caution Label at Ground Connection Panel
- Modification 7/1398
(A/C 1 thru 10 and 12)

 Jul 20, 1979
DHC-7 V7-27-02

Solenoid Valve Second Stage Flap Dump - Screw Replacement

 Oct 18, 2007
DHC-7 7-53-27

Fuselage - Insulation Support
- Modification 7/2247
(A/C 1 thru 112)

 Feb 24, 1984
DHC-7 7-27-12

Rudder Pedals Tube Assembly - Special Inspection
(A/C 3 thru 7, 9, 10 and 11)

 Aug 17, 1979
DHC-7 7-34-41

Navigation - Aircraft Performance Limitations for Traffic Alert and Collision Avoidance System II (TCAS II) Advisory Planning
Model 102 and Model 103 Aircraft operating into or within the United States

 Jul 19, 1991 Jul 1, 1994 'A'
DHC-7 7-25-5

Furnishings - Installation of Improved Food Tray Assemblies and Retainers
- Modifications 7/1318, 7/1436 and 7/1454
(A/C 1 thru 7, 9 and 10)

 Apr 30, 1979 Aug 17, 1979 'A'
DHC-7 7-32-88

Landing Gear - Nose Gear Steering Actuator
-  Increased Anti-Cavitation Provisions
-  Modification 7/2526
(A/C 1 thru 113)

 Mar 4, 1988
DHC-7 7-92-6

Miscellaneous - Aeroquip Hoses Type 601 -  Precautionary Inspection and Rectification
(A/C 1 and Sub.)

 Feb 3, 1989 Sep 29, 1989 'C'
DHC-7 7-23-19

Communications - Attendant's Interphone System Call Light Rework
- Modification 7/1672 (A/C 1 thru 18)

 Sep 16, 1983
DHC-7 7-32-8

Main Landing Gear - Special Inspection
(A/C 1 thru 11)

 Apr 30, 1979
DHC-7 7-61-10

Propellers - Barrel Replacement
-  Hamilton Standard S/B 61-1028
(Effectivity - See Hamilton Standard S/B 61-1028)

 Mar 26, 1982 Aug 12, 1983 'A'
DHC-7 7-11-24

Placards and Markings - Nose Landing Gear Doors - Installation of More Durable `Caution' Labels
- Modification 7/2159
(A/C 1 thru 112)

 Aug 13, 1982 Mar 22, 1985 'B'
DHC-7 7-28-16

Fuel - Fuel Line Flow Control Valve Replacement
- Modification 7/2300
(A/C 1 thru 112)

 Aug 31, 1984
DHC-7 7-54-9

Inner Nacelles - Upper Longeron Strengthening
- Modification 7/1707
(A/C 1 thru 7 and 9, 10 and 11)

 Feb 29, 1980
DHC-7 7-27-28

Flight Controls - Improved Flight Spoiler Servo Unloading Valve
- Modification 7/1877
(A/C 1 thru 29) (A/C 30 thru 39 E.O. 72044)

 Feb 27, 1981
DHC-7 7-51-1

Structures - Initial Inspection for Bonding Integrity of Structurally Significant Items Serial Numbers 3 thru 113

 May 11, 1994 Mar 31, 1995 'A'
DHC-7 7-25-21

Furnishings - Overhead Bin Doors -  To Remove Passenger Hazard
-  Modification 7/1773
(A/C 1 thru 36 with S.O.O. 7042)

 Feb 20, 1981

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