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 1621 - 1640 of 1683

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
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 7-32-20

Nose Landing Gear - Replacement of Outer Drag Strut and Sub-Assembly
- Modification 7/1372 (A/C 1 thru 25)

May 9, 1980 Oct 2, 1981 'A'
DHC-7 7-71-3

Engine Cowling - To Rework Aft Panel
- Modification 7/1354
(A/C 1 thru 12)

Mar 30, 1979
DHC-7 7-21-1

Nose Avionics Bay - Additional Cooling Fan
- Modification 711378 (A/C 3, 4, 7 and 9)

Aug 31, 1978
DHC-7 V7-28-05

Fuel System - Fuel System Bonding Jumpers and Conductive Fittings - SFAR 88 Compliance

Oct 12, 2007 Sep 18, 2009 'A'
DHC-7 V7-54-02

Cracks in Engine Outboard Nacelles Upper Longerons

Dec 14, 2012
DHC-7 7-27-40

Flight Controls - Wing Roll Spoiler Actuator Mounting Nut - Special Inspection and Rectification
- Modification 7/2210
(A/C 4 thru 72 less 58, 68 and 71)

Feb 5, 1982 Mar 19, 1982 'A'
DHC-7 7-52-12

Nose Landing Gear Doors - Increased Diameter Hinge Pins
- Modification 7/1487
(A/C 1 thru 7, 9 and 10)

Nov 16, 1979
DHC-7 7-25-33

Flight Compartment Doorlock - Rework and Replacement - Modification 7/1958
(A/C 1 thru 52)

Jan 8, 1982
DHC-7 7-33-13

Lights - Wing Tips - Installation of Dual Lights on Shock Mounts
- Modification 7/2410
(A/C 1 thru 112)

Oct 11, 1985
DHC-7 7-24-22

400 Hz Inverters - Deletion of Power Factor Correction Capacitors
- Modification 7/1690
(A/C 1 thru 27)

May 23, 1980
DHC-7 7-32-36

Nose Landing Gear - Emergency Extension Selector Valve - To Eliminate Valve Handle Override
- Modification 7/1891
(A/C 1 thru 31, 33, 34 and 36 thru 42)

Mar 20, 1981
DHC-7 7-71-19

Power Plant - Forward and Centre Engine Cowlings - Improved Exhaust Duct Seals
- Modification 7/2050
(A/C 1 thru 102)

Dec 17, 1982
DHC-7 7-21-17

Air Conditioning - Improved Gasper Outlet Valves
- Modification 711 924
(NC 13 thru 72)

Apr 12, 1982
DHC-7 7-29-16

Hydraulics - Engine Driven Pump - Elbow Fitting Removal and Seal Drain Replacement
-  Modification 7/2153
(A/C 13 and 82)

Aug 19, 1983 Nov 25, 1983 'A'
DHC-7 7-56-6

Windows - Addition of Direct Vision Window Guide Plate and Slider Block
- Modification 7/1963
(A/C 3 thru 100)

Mar 23, 1984
DHC-7 7-27-56

Flight Controls - Ground Spoiler Selector Valves Functional Check and Replacement
- Modification 7/2340
(A/C 1 thru 95 less 87, 88, 90, 92 and 93)

Jun 28, 1983 Sep 14, 1984 'B'
DHC-7 7-52-27

Airstair Door - Ground Lock Pin Stowage Provision Relocation
- Modification 7/1919
(A/C 3 thru 57)

Dec 4, 1981
DHC-7 7-25-49

Equipment/Furnishings - Rear Baggage Compartment - Installation of Ceiling Firescreen
- Modification 7/2499
(A/C 1 and Sub.)

Apr 18, 1986 Jul 31, 1987 'B'
DHC-7 7-34-5

Area Navigation System - Jet Electronics and Technology (J.E.T.) DAC-2000
(A/C 14 and 16 and any other A/C Equipped with DAC-2000 System)

Dec 12, 1979 Jan 27, 1980 'A'

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