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 1641 - 1660 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-53-33

Fuselage - Special Inspection for Disbonding of Unriveted Stringers on Fuselage Skin
(All A/C)

May 31, 1989 Jun 9, 1989 'A'
DHC-7 7-27-18

Flaps - Power Control Unit Assembly -  Replacement of Solenoid Valve Retaining Screws -
Menasco S/B 27-13
(A/C 1 and Sub.)

Mar 7, 1980
DHC-7 7-35-5

Oxygen - Installation of Portable First Aid Oxygen Bottle (200 Liters) in Aft End of Cabin
- S.O.O. 7175
(A/C 3 and Sub.)

Nov 28, 1986
DHC-7 7-25-11

Overhead Stowage Bin Door - Inspection for Fouling (A/C 1 and Sub.)

Oct 3, 1980
DHC-7 A7-32-94

Landing Gear - Emergency Down Release Cables - Inspection for Corrosion and Replacement of Cable Assemblies
- Modification 7/2609 All Aircraft

Sep 3, 1991 Nov 15, 1991 'A'
DHC-7 7-23-25

Communications - Rectification of Interphone Chime to Flight Deck Audio System
- Modification 7/2595 (A/C 1 and Sub.)

Jul 13, 1990
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 7-71-13

Power Plant - Introduction of Improved Power Turbine Blades -  Pratt and Whitney S/B 4064R1
(Effectivity - See Pratt and Whitney S/B 4064R1)

Feb 12, 1982
DHC-7 7-21-11

Conditioned Air System - Water Separator Insulation
- Modification 711 630
(A/C 1 thru 34)

Sep 5, 1980
DHC-2T A2/53

Not Applicable

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