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 1 - 20 of 1694

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/365

Left-Hand Forward Cargo Door Replacement
Mod. 6/1634
(A/C 1 thru 302)

Oct 28, 1977
DHC-7 7-30-20

Ice and Rain Protection - Propeller Deicing System Current Sensing Indication
- Modification 7/2374
(A/C 1 thru 112)

Mar 22, 1985
DHC-7 7-23-22

Communications - Flight Crew/Attendant Emergency Call Switch Replacement
- Modification 7/2492 (A/C 3 thru 123)

Oct 17, 1986
DHC-7 7-27-58

Flight Controls - Aileron and Elevator Roll and Pitch Disconnect Handle - Pull Out Load Reduction
- Modification 7/1910 (A/C 1 thru 62)

Nov 25, 1983
DHC-7 7-55-7

Stabilizers - Elevators - Installation of Upper Surface Fairings, Removal of Trim Tab Hinge Cover Plates and Trimming of Lower Surface Fairings, Cover Plates and Elevators Trailing Edge Bottom Skin
- Modifications 7/2203, 7/2217 and 7/2230 (A/C 3 thru 92)

Jul 16, 1982
DHC-7 7-27-80

Flight Controls - Replacement or Rework of Roll Spoiler Unloading Valves
- Modification 7/2486
(A/C 3 and Sub.)

Aug 25, 1989
DHC-7 7-25-51

Equipment/Furnishings - Installation of Placard and Cutting of Hole in Fairing to Aid in Rigging of Airstair Door Mechanism
- Modification 7/2483
(A/C 1 thru 107 less 15)

Aug 1, 1986
DHC-6 6/86

Landing Gear - Fairing - Strengthening
Top Ribs
Mod. 6/1098
(A/C 1 thru 90)

Apr 2, 1968
DHC-6 6/241

Instruments - Edison Type Engine Torque Pressure Indicators
Mod. 6/1310
(A/C 231 thru 255)

May 8, 1970
DHC-7 7-52-4

Outer Nacelle Lower Access Door -  To Provide Water Drain Holes
-  Modification 5/1278
(A/C 1, 2 and 4)

May 19, 1978
DHC-6 6/06

Icing Limitation - Temporary Placard
Introduction
Mod. 6/1058
(A/C 1 thru 26)

Feb 28, 1967
DHC-2 A2/48

Fuselage - Wing Struts - Inspection of the Lower Steel End-Fitting Area

Aug 10, 1993
DHC-6 6/520

Air Conditioning - Cockpit Cooling - Fan Replacement
- Mod 6/1897
(All A/C)

Jun 18, 1997
DHC-6 6/161

Static Inverter Improved
Mod. 6/1016
(A/C 1 thru 35)

Sep 23, 1968
DHC-7 7-33-5

Electrical Panel Lights for Radio Navigation Control Display Units

Dec 7, 1979
DHC-2 V2/0001

Ignition  - Replacement of Maneto Firewall Connector

Jun 27, 2007
DHC-2 TB/28

Transmittal Document for Modification Bulletin T2/2052
Windscreen Defroster Cutlets - Improved" (Refer to Mod. Bulletin for Data)

Jun 21, 1968
DHC-6 6/440

Main Landing Gear - Installation of Longer Compression Block Alignment Spigots
Mod. 6/1806
(A/C 1 thru 820)

Oct 1, 1982
DHC-7 7-31-7

Communications - Cockpit Voice Recorder
-  Rework to Prevent Loss of Input
- S.O.O. 7141
(A/C 54, 62 and 66)

Apr 8, 1982
DHC-7 7-21-8

Air Conditioning - Toilet Compartment
- E.O. 70927
(A/C 1 thru 27)

Mar 28, 1980

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