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 1541 - 1560 of 1683

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-32-14

Hydraulic System - Main Landing Gear Retraction Actuator Up Line Hose - Special Inspection
(A/C 1 thru 14 and all Spares)

Oct 26, 1979 Aug 17, 1984 'A'
DHC-7 7-61-16

Propellers - Blades - Inspection of Blade Pin for Looseness and Improved Retention of Blade Pin in the Blade Shank
- Hamilton Standard S/B 61-1039
(Effectivity - See Hamilton Standard S/B 61-1039)

Aug 13, 1982 Oct 29, 1982 'A'
DHC-7 7-11-30

Labels - Addition to Cabin Interior of Bilingual Labels
- Modification 7/2282 (A/C with S.O.O. 7038)

Aug 2, 1985
DHC-7 7-28-22

NOT ISSUED

DHC-7 7-54-15

Nacelles - Left Hand Outboard Nacelle -  Stall Warning Flap Transmitter Access Cover Installation
-  Modification 7/1329
(A/C 3 thru 27)

Apr 19, 1984
DHC-7 7-27-34

Flap Control System - Flap Screwjack Tracks No. 2 and 3 - To Introduce an Improved Locking Feature for Aft Bearing Nut and Greasing Provision
- Modifications 7/1591 and 7/1590 (A/C 3 thru 27 - Modification 7/1591; 3 thru 29 - Modification 7/1590)

Sep 4, 1981
DHC-7 7-52-6

Cargo Door - Push Rod Check Cable Installation
- Modification 7/1486
(A/C 7 and 9)

Jul 27, 1979
DHC-7 7-25-27

Furnishings - Flight Compartment Door -  Addition of Latch for Use with Observer's Seat
-  Modification 7/1749
(A/C 1 thru 34 with S.O.O. 7026)

Nov 20, 1981
DHC-7 7-33-7

Emergency Lights - Revised Switching Logic
- Modification 7/1697 (A/C 3 thru 27)

Oct 17, 1980
DHC-7 7-24-16

Electrical Harness - Main and Nose Landing Gear - To Improve Reliability
- Modification 7/1693 (A/C 1 thru 14)

Mar 7, 1980
DHC-7 7-32-30

Main Landing Gear Wheels - Insert and Drive Lug Repair Limits
(All A/C)

Sep 5, 1980
DHC-7 7-32-31

Main Landing Gear - Drag Strut Bearing Housing Installation - Special Inspection and Rectification
(A/C 1 thru 23)

Oct 10, 1980
DHC-7 7-71-14

Power Plant - Compressor Turbine Vane Ring -  Pratt and Whitney S/Bs 4069 and 4061
(Effectivity - See Pratt and Whitney S/Bs 4069 and 4061)

Feb 19, 1982
DHC-7 7-21-12

Cabin Pressurization Control and Drainage System - To Overcome Freezing in Severe Cold Conditions
- Modification 711 652
(A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-29-11

Hydraulic System - Rudder Actuator -  Installation of Heavier Wall Pressure Tube Assembly on Vertical Stabilizer
-  Modification 7/2236
(A/C 21 thru 73 less 53, 58, 68 and 71)

Apr 23, 1982
DHC-7 7-56-1

Flight Compartment D.V. Window Mechanism - To Install Modification 7/1315
(A/C 1 thru 27 less 10 and 20)

Jun 9, 1978 Jan 28, 1980 'A'
DHC-7 7-27-51

Flight Controls - Flap Track No. 4 and 5 Support Structure - Introduction of Shims
- Modification 7/2182
(A/C 1 thru 67) (incorporated on A/C 68 thru 92 by Authority of DHC E.O. 74996)

Jun 3, 1983 Mar 9, 1984 'A'
DHC-7 7-52-22

Doors - Rear Emergency Exit - Inspection for Handle Operating Loads and Rectification (A/C 3 thru 73)

Jan 28, 1983 May 20, 1983 'A'
DHC-7 7-25-44

Furnishings - Lavatory Lower Waste Disposal Door Removal
- Modification 7/2391
(A/C 1 thru 89, 91, 94 and 95)

Apr 19, 1984 Jun 7, 1985 'A'
DHC-7 V7-33-01

DHC-7 - Fluorescent Light System Overheating - Ballast Replacement

Feb 28, 2008

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