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 1601 - 1620 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort ascending
DHC-6 6/104

Cabin Ventilation - Re-designed Air Intake Scoop - Introduction
Mod. 6/1105
(A/C 1 thru 135)

Feb 21, 1968
DHC-2 2/36

Hydraulic System - Brake Cylinder - Spring Retainer Replacement - Modification No. 2/1538

Apr 15, 1983
DHC-6 6/30

Fuel Booster Pumps - Interconnect Piping Change
Mod. 6/1048
(A/C 6 thru 55)

Jun 6, 1967
DHC-7 7-52-24

Airstair Door - To Introduce an External Handgrip
- Modification 7/1484 (A/C 1 thru 11)

Jul 3, 1981
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-3 3/09

Altimeter - Introducing Alternative

Jun 27, 1968
DHC-7 7-34-2

Automatic Direction Finder - To Introduce Loop Antenna Connector Shroud
- Modification 7/1495
(A/C 1 thru 7 and 9 thru 12)

May 4, 1979
DHC-7 7-30-8

Deicing System - Replacement of Deicing Tubes in Right Hand Wing
- Modification 7/1897 (A/C 1 thru 52)

Sep 4, 1981
DHC-7 7-27-60

Flight Controls - Outboard Roll Spoiler Centre Hinge Arm - Installation of Longer Bushing
- Modification 7/2324
(A/C 1 thru 86, 89, 91 and 95)

Feb 24, 1984
DHC-6 V6/0043

Autofeather Pressure Switch (P/N C6SC1125) Replacement

Aug 30, 2013
DHC-7 7-24-28

A.C. Generator Type AE2132MK3 - To Introduce Increased Length Drive Shaft (A/C with A.C. Generators AE2132 MK3)

Jan 23, 1981
DHC-7 7-25-53

Equipment/Furnishings - Introduction of Smoke Mask and Storage Bag
- S.O.O. 7178
(A/C 1 and Sub.)

Apr 17, 1987
DHC-7 7-21-23

Air Conditioning - Introduction of Spring - Loaded Bleed Air Duct Retention Bolts
- Modification 712342

Mar 16, 1984
DHC-6 6/120

Inboard Fore Flap Hinge Arm and Aileron Geared Tab Lever Attachment - Clearance Increase
Mod. 6/1115
(A/C 1 thru 135)

Mar 25, 1968
DHC-2 2/52

See TB/60

DHC-6 6/46

Low Pressure Fuel Warning Switch - Replacement
Mod. 6/1072
(A/C 1 thru 60)

Sep 14, 1967
DHC-6 6/373

Air-conditioning Compartment - Improved Drainage and Electrical Grounding
(All A/C equipped with JB systems air-conditioning)

Jun 16, 1978
DHC-2 TB/32

Transmittal Document for Modification Bulletin T2/2056 "PT6A-20 Engine Ignition System - Revised Switching" (Refer to Mod. Bulletin for Data)

Nov 19, 1968
DHC-3 3/25

Transmittal Document - Modification Bulletin 3/916 - Link Belt Silent Chain

Sep 19, 1975
DHC-7 7-34-18

Aircraft Overspeed Warning System -  Alternate Overspeed Warning Switch and Mounting Rework
-  Modification 7/1997
(A/C 1 thru 62)

Aug 13, 1982

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