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 for DHC Aircraft

Manual Status List – DHC-2 to DHC-7

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact csps-tp@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 CSPS Technical Publications Coordinator at csps-tp@vikingair.com.

Displaying 121 - 140 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-34-14

Navigation - Gyroscopic Horizons 700 and Variants and 705-7 and Variants
(A/C 1 and Sub.)

Aug 21, 1981
DHC-3 3/18

Tailplane Rigging

Oct 26, 1973
DHC-2 2/01

See TB/1

DHC-6 6/473

Voltage Regulators - Special Inspection for Omission of Ground Wires
(A/C 531 thru 814 Post-Mod. 6/1590)

Mar 22, 1985
DHC-6 V6/0042

Self Locking Nut Replacement

May 24, 2013
DHC-6 6/114

Engine Controls - U.A.C.L. Special Instructions
(All A/C)

Mar 8, 1968
DHC-7 7-32-61

Landing Gear - Nose Gear Emergency Extension Selector Valve Mounting Spacer Replacement
- Modification 6/1661 (A/C 1 thru 27)

Nov 18, 1983
DHC-7 7-24-46

Electrical - Flight Compartment Overhead Circuit breaker Panel Illumination -  Interchange of Control
-  Modification 7/1940 (A/C 3 thru 72)

Aug 13, 1982
DHC-7 7-57-39

NOT ISSUED

DHC-6 6/334

Fire Extinguisher Model 2-10
Mod. 6/1542
(A/C 1 thru 510)

DHC-7 7-29-9

Hydraulic System - Pressure Manifold Relief Valve - To Introduce Improved Type Valve
- Modification 7/1677
(A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-53-31

Fuselage - Introduction of New Nose Landing Gear Outer Drag Strut Attachment Fitting
- Modification 7/1328
(A/C 3 thru 27)

Dec 15, 1989
DHC-6 6/254

Engine Fire Detector
S.O.O. 6030
(A/C 6 thru 105)

Nov 5, 1971
DHC-7 7-25-20

Cargo Divider Bulkhead - Addition of Smoke Seal
- Modification 7/1675 (A/C 9, 10, 12, 20 and 23)

Feb 13, 1981
DHC-6 6/55

Pilot/Co-Pilot Seats - Introduction of Arm Rests
Mod. 6/1029
(A/C 1 thru 35)

Oct 13, 1967
DHC-6 V6/0026

Incorrect Rivet Installations - Fuselage and Wings

Mar 7, 2013
DHC-7 7-34-30

Navigation - Horizontal Situation Indicator Replacement
- Modification 7/2335
(A/C 3 thru 112 with S.O.O. 7014-3)

Feb 24, 1984
DHC-2 2/17

Not applicable

DHC-6 6/130

Instrument System - Engine Driven Air Pumps for Incorporating Pressure Instruments
Mod. 6/1166
(A/C 1 thru 149)

Apr 19, 1968
DHC-7 7-32-77

Main Landing Gear - Main Wheel Assembly
- Gravel Guard 73230238-101 Main Wheel Interference

Mar 7, 1986

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