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 61 - 80 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/248

Special Inspection - Rudder and Elevator Cables - Fouling
(A/C 231 thru 290)

Sep 25, 1970
DHC-7 7-33-8

Avionics Advisory Lights - Wiring Revision for Aircraft Incorporating Radio
Altimeter Dual Installation
- Modification 7/1831
(A/C 22)

Feb 13, 1981
DHC-6 V6/0041

Back EMF Voltage Spike Protection

Jun 4, 2013
DHC-2 TB/23

Fuel System - Fuel Cell Gaskets - Replacement

Apr 29, 1968
DHC-7 7-24-17

Proximity Switch Rework - To Prevent Ingress of Moisture
(A/C 1 and Sub. as required)

Sep 5, 1980
DHC-6 6/168

Airstair and Cargo Door - Improved Handle Guard, Handle and Ashtray/Knee Guard
Mod. 6/1183
(A/C 1 thru 170)

Nov 26, 1968
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-6 6/504

Landing Gear Main Gear Wheel Brakes - Introduction of Asbestos-Free Linings
Mod. 6/1885
(A/C with Brake Assembly P/N 9550377-1 Installed)

Oct 7, 1988
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-6 6/88

Flap/Elevator - Trim Cables - Nylon Cover Introduction
Mod. 6/1127
(A/C 1 thru 95)

Jan 24, 1968
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-6 6/424

Power Plant - Improved Compressor Bleed Valve Assembly - To Introduce P & WC S/B 1251
(A/C 231 and Sub.)

Apr 23, 1982
DHC-6 6/08

Voltage Regulator - lntroduction of Improved
Mod. 6/1017
(A/C 1 thru 20 and 22)

Mar 10, 1967
DHC-6 6/345

Inboard Trailing Flap
Mod. 6/1556
(A/C 1 thru 510)

Apr 2, 1976
DHC-7 7-52-23

Airstair Door - To Improve Seal Deflation System
- Modification 7/1868 (A/C 1 thru 45 less 36)

Jun 15, 1981
DHC-7 7-25-45

Furnishings - Relocation of Crew Seat Inertia Reel Lockout Levers
- Modification 7/2388
(A/C 1 thru 97)

May 4, 1984
DHC-6 6/265

Fuel System Ejectors
Mod. 6/1392
(A/C 1 thru 310)

Oct 30, 1970
DHC-2 TB/40

Transmittal Document for Modification Bulletin T2/2065 "Turbine Inlet Temperature Indicator Range Markings" (Refer to Mod. Bulletin for Data)

Sep 3, 1971
DHC-6 6/185

Power Plant - Engine Intake Deflector System Improvements
Mod. 6/1215
(A/C 1 thru 250)

May 20, 1969

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