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 101 - 120 of 1698

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-32-95

Landing Gear - Nose Landing Gear Steering
-  Reduction of Actuator Creep
-  Modification 7/2608
Serial Numbers 3 thru 113

Jul 31, 1992
DHC-7 7-31-4

Flight Data Recorder System - Incorrect Wiring Termination
-  Modification 7/2056
(A/C 3 thru 39, 50 and 51 with S.O.O. 7021)

Sep 25, 1981
DHC-3 3/04

Tab Elevator - Flap Interconnect - Special Inspection

Sep 8, 1967
DHC-7 7-56-3

Windshield - Introduction of Third Heat Sensor and Additional Terminal Block Connections
- Modification 7/1769
(A/C 1 thru 32)

Oct 24, 1980
DHC-7 7-28-1

Fuel System Level Control (Secondary) -  To Ensure Operation of Press -To-Test Indicator Lights During Refueling Operation
-  Modification 7/1253
(A/C 1, 2 and 4)

Mar 23, 1979
DHC-6 6/363

Introduction of 334C-9A Type Autopilot Servo
Mod. 6/1638
(A/C 231 thru 530)

Oct 7, 1977
DHC-7 7-27-36

Flight Controls - Control Column Forward Sealing Plate Assembly - Inspection and Rectification - DHC E.O. 72195
(A/C 3 thru 53, 55, 56, 57 and 59)

Nov 6, 1981
DHC-2 TB/41

Overhaul Life - Engine Driven Fuel Pumps

Jul 30, 1971
DHC-6 6/283

Flap Position Indicator
Mod. 6/1404
(A/C 1 thru 290)

Jul 23, 1971
DHC-6 6/194

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

Jul 24, 1969
DHC-7 7-25-29

Furnishings - Toilet Door Lock Mechanism Rework
- Modification 7/2063
(A/C 3 thru 52 less 51)

Nov 6, 1981
DHC-7 7-24-46

Electrical - Flight Compartment Overhead Circuit breaker Panel Illumination -  Interchange of Control
-  Modification 7/1940 (A/C 3 thru 72)

Aug 13, 1982
DHC-6 6/114

Engine Controls - U.A.C.L. Special Instructions
(All A/C)

Mar 8, 1968
DHC-6 6/41

De-Icer Boots - Horizontal Stabilizer - Protective Coating
Mod. 6/1067
(A/C 1 thru 40)

Aug 22, 1967
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-7 7-32-9

Main Landing Gear - Replacement of Shock Strut Assembly Upper Bearing
- Modification 7/1574
(A/C 1 thru 7, 9 and 10)

May 18, 1979
DHC-3 3/20

Transmittal Document - Modification Bulletin 3/913 - 'Battery Ground to Relocate'

Apr 26, 1974
DHC-7 7-57-12

Left and Right-Hand Wing Ground Spoiler Actuator Attachment Bracket - Inspection and Replacement of Rivets with Bolts
- Modification 7/1827
(A/C 1 thru 30)

Jan 15, 1982
DHC-6 V6/0035

NOT ISSUED

DHC-7 7-28-17

Fuel System - Replacement Fuel Tank Pressure Relief Dump Valve
- Modification 7/2170
(A/C 28 thru 73 less 54, 62 and 66. A/C with S.O.O. 7123 or without Modification 7/1397 are not affected)

Jan 18, 1985

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