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 21 - 40 of 1694

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-3 3/02

Tail Landing Gear Support Structure - Ski Aircraft - To Inspect

Mar 10, 1967
DHC-6 6/420

Power Plant - Compressor Delivery Air Line Filter - To Introduce P & WC S/B 1343
(A/C 231 and Sub.)

Feb 12, 1982
DHC-7 7-23-23

Communications - Installation of a Standard VHF Antenna for Upper and Lower Locations
- Modification 7/2301
(A/C 3 thru 110 with S.O.O. 7002)

Feb 27, 1987
DHC-2 TB/29

Amphibious Landing Gear - Warning Light - Wiring Alterations

Sep 24, 1968
DHC-7 7-33-1

Wing Inspection Lights - To Adjust Beam Angle
- Modification 7/1276
(A/C 1, 2 and 4)

Apr 3, 1978
DHC-7 7-54-7

Nacelle Aft End Fairing Doors -  To Replace Bungee Cord Spring with Steel Wire Coil Springs
-  Modification 7/1374
(A/C 1 thru 4, 6, 7, 9 and 10)

May 25, 1979
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 7-11-28

Labels - Passenger Information Label Replacement

Aug 12, 1983
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-7 7-30-16

Propeller Deicing System - No. 1 Single Cycle Timer Replaced with a Dual Cycle Timer
-  Modification 7/2281
(A/C 3 thru 86, 89, 91, 94 and 95)

Oct 14, 1983
DHC-3 V3/0010

Updated DHC-3 Maintenance Program with supplemental inspection tasks for corrosion control and aging aircraft.

 

Mar 19, 2020
DHC-6 6/39

Horizontal Stabilizer to Fuselage Attachment Bolts - Bolt Safety Requirement
Mod. 6/1114
(A/C 1 thru 63)

Jul 27, 1967
DHC-6 6/291

Engine Fuel System - 10 Micron High Pressure Fuel Filter
Mod. 6/1442
(A/C 1 thru 342 with S.O.O. 6117)

Mar 9, 1972
DHC-7 7-71-5

Forward Engine Firewall Rework -  To Accommodate Pratt and Whitney Synchrophaser Trimmer Head Housing -  Modification 7/1760
(A/C 1 thru 25)

Nov 28, 1980
DHC-3 3/18

Tailplane Rigging

Oct 26, 1973
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-7 7-24-14

Electrical System - To Provide Independent Control of Inner and Outer Landing Lights
- Modification 7/1335 (A/C 3 thru 27)

Jan 5, 1980
DHC-2 TB/45

Transmittal Document for Modification Bulletin T2/2072 "Engine Mount Bushing Replacement" (Refer to Mod. Bulletin for Data)

Jan 16, 1976
DHC-7 7-76-5

Engine Control Cables - Seal Plate Special Inspection and Rectification
- Special Inspection
(A/C 3 thru 65)

Oct 23, 1981
DHC-7 7-26-6

Fire Protection - Fire Detection System Flexible Cable Connector Replacement (A/C 1 and Sub.)

Oct 19, 1984

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