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 41 - 60 of 1698

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 V6/0040

NOT ISSUED

DHC-7 7-22-20

Automatic Flight Control System - Inspection/Replacement of Elevator and Aileron Servo Drive Part Numbers.
(A/C 3 thru 113)

May 29, 2006
DHC-2 2/36

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

Apr 15, 1983
DHC-6 6/178

To Seal Fuselage/Wing Root Apertures to Offset Cabin Interior Contamination
Mod. 6/1194
(A/C 1 thru 200)

Jan 29, 1969
DHC-7 7-11-5

Propeller Limitation - Addition of Caution Label on Engine Instrumentation
- Modification 7/1370
(A/C 1 thru 8)

Aug 14, 1978
DHC-6 6/98

Elevator Trim Controls - Swivel Pulley - Inspection and Rectification - (This S/B is Canceled by Incorporation of S/B 6/107)
(A/C 1 thru 105)

Feb 5, 1968
DHC-7 7-34-12

Navigation - AA200 Radio Altimeter System - To Improve Reliability of the RT220/221 Radio Altimeter
(A/C 1 and Sub.)

Aug 21, 1981
DHC-7 7-71-10

Power Plant - Top Rear Engine Mount Replacement
- Modification 7/1936
(A/C 1 thru 58)

Dec 11, 1981
DHC-6 6/21

Fuel Shut-off Control System Rigging Check
(All A/C with Bendix FCU DP-F2 Part No. 2524245)

May 10, 1967
DHC-7 7-30-22

Ice and Rain Protection - Elevator Horn Heaters - Replacement of Thermostats
- Modification 7/2470
(A/C 3 and Sub.)

Jun 13, 1986
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-6 6/436

Auto-Flight - Yaw Damper Switch Replacement
Mod. 6/1796
(A/C 231 and Sub. with S.O.O. 6162, Collins AP-106 Autopilot, Incorporated)

Nov 26, 1982
DHC-3 S.O.O. 3032

Wing Tip Strobe Lighting - To Introduce.

Sep 24, 1976
DHC-7 7-23-16

Communications - Audio Control Panel -  Total Audio Recording Provision
-  Modification 7/2283
(All DHC-7 A/C with Cockpit Voice Recorder S.O.O. 7022 Installed)

Feb 4, 1983
DHC-7 7-27-82

Flight Controls - Elevator Trim - Rework of Pushrod Idler Levers
- Modification 7/2568
(A/C 1 and Sub.)

Apr 15, 1988
DHC-2 2/52

See TB/60

DHC-6 6/194

Labels - Weight Limitations - Nose and Rear Baggage Compartments
(All A/C)

Jul 24, 1969
DHC-6 6/359

Autofeather System - Special Inspection and Rectification for Nf (Power Turbine Governor)
Reset Lever Fouling Autofeather Switch
(A/C 6 thru 230)

May 27, 1977
DHC-7 7-11-21

Hydraulic Reservoir - Label Change - To Prevent Overfilling
- Modification 7/1915
(A/C 3 thru 92)

Oct 2, 1981
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

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