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 141 - 160 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-25-1

Cabin Overhead Stowage Bins - Doorater
- Modification 7/1310
(A/C 4)

May 12, 1978
DHC-7 7-53-16

Furnishings - Baggage Compartment -  Addition of Bulkhead Retaining Angle
-  Modification 7/1843
(A/C 1 thru 32)

Dec 12, 1980
DHC-7 7-73-5

Engine Fuel and Control - Fuel Flow Trans. Temperature Compensation Resistor
-  Relocation and Electrical Connector Replacement
-  Modification 7/2347
(A/C 3 thru 86, 89, 91, 94 and 95)

Oct 14, 1983
DHC-6 6/78

Landing Gear Main - Compression Block Replacement
Mod. 6/1022
(A/C 1 thru 35)

Jan 2, 1968
DHC-6 6/223

NOT ISSUED

DHC-6 6/143

Cockpit - Noise Level Reduction
Mod. 6/1079
(A/C 1 thru 60)

May 27, 1968
DHC-7 7-23-20

Communications - Cockpit Voice Recorder
- Tape Deck Housing Connector Check and Replacement (The Cockpit Voice Recorder used in De Havilland Dash 7 A/C is Model AV-557B Part Number 980-6005-055)

Mar 9, 1984
DHC-7 7-34-15

Standby Attitude Indicator - Additional Diode Installation
- DHC E.O. 72205 (A/C 54)

Nov 20, 1981
DHC-6 6/514

Communications - Installation of New Speaker
(All A/C with S.O.O. 6054 or S.O.O. 6096 (Public Address System) incorporated)

Jan 18, 1991
DHC-7 7-11-26

Placards and Markings - Windshield Washer System - To Identify Permissible Fluid Types
- Modification 7/2312
(A/C 001 thru 103 incorporate de Havilland S.O.O. 7039 Windshield Washer System)

Mar 31, 1983
DHC-2 TB/55

Propeller - Feedback Mechanism Carbon Block Assembly Replacement - Modification Bulletin T2/2078

Feb 3, 1984
DHC-6 6/345

Inboard Trailing Flap
Mod. 6/1556
(A/C 1 thru 510)

Apr 2, 1976
DHC-7 7-29-19

Hydraulic Power - Improved Tubing Installation
-  Modification 7/2475 (A/C 3 thru 110)

Feb 14, 1986
DHC-6 6/265

Fuel System Ejectors
Mod. 6/1392
(A/C 1 thru 310)

Oct 30, 1970
DHC-6 6/15

Propeller Levers - Incorrect Setting During Landing - Warning
(All A/C)

Apr 3, 1967
DHC-6 6/160

Certification of Static Pressure System and Altimeter Indicators
(A/C 1 thru 150)

Sep 17, 1968
DHC-3 3/912 B

Elevator Trim Tab - Redesigned Mass Balance Arms.

Nov 11, 1968
DHC-7 7-24-12

A.C. System 400 Hz - Paralleling Control Box - To Replace Modification 7/1658 (A/C 1 thru 14)

Sep 24, 1979
DHC-7 7-34-32

Navigation - Radio Altimeter System
- Modification to Improve Reliability and Operation
- Sperry S/B 7001840-34-36
(A/C with Sperry RT-300 Radio Altimeter)

Aug 2, 1985
DHC-6 6/530

NOT ISSUED

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