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, DHC-2 to DHC-7

View LIST

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact technical.publications@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 Technical Publications Administrator.

Displaying 141 - 160 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-32-81

Landing Gear - Flap/Landing Gear Warning Horn Circuit Revision
- Modification 7/2502
(A/C with Modification 7/2202)

Jun 13, 1986
DHC-6 V6/0011

NOT ISSUED

DHC-7 7-82-3

Water Methanol System - Replacement of Tank Quantity Transmitter
-  Modification 7/1532
(A/C 4, 6 and 9)

May 23, 1980
DHC-6 6/138

Alternative Nicad Battery - Introduction
Mod. 6/1145
(A/C 1 thru 105)

May 15, 1968
DHC-7 7-11-17

Furnishings - Externally Serviced Toilet, Addition of Caution Label
- Modification 7/1922
(A/C 26, 28, 29, 30, 32, 33 and 34)

Apr 17, 1981
DHC-6 6/58

Airstair Door Treads - Repair (A/C 1 and Sub. Incorporating Airstair Door Without Extended Step)

Nov 21, 1967
DHC-6 6/394

Strobe Light - Insulated Mounting for Power Units
Mod. 6/1712
(A/C 1 thru 655)

May 30, 1980
DHC-7 7-54-2

Inboard and Outboard Nacelles -  To Provide Access to Upper Mounting of Propeller Synchrophaser Actuator
-  Modification 7/1216
(A/C 1, 2 and 4)

Nov 20, 1978
DHC-7 7-27-22

Elevator Trim Handwheel - Improved Retaining Bolt
- Modification 7/1753
(A/C 1 thru 18)

Jun 20, 1980
DHC-6 6/315

Autofeather Bleed Resistor Installation
Mod. 6/1504
(A/C 291 thru 470 and any A/C Prior to 291 with Double-Pole Pressure Switches in Autofeather System)

Aug 16, 1974
DHC-7 7-39-2

Turn and Slip Indicator - To Delete `4 Min. Turn' from Face of Indicator
- Modification 7/1526
(A/C 1 thru 12)

Dec 7, 1979
DHC-2 2/30

Flight Controls - Elevator Root Rib Inspection for Cracking & Replacement

Sep 26, 1980
DHC-7 7-25-15

Furnishings - Installation of Protective Lens for Under Wing Bins Lighting
- Modification 7/1668 (A/C 1 thru 23)

Jan 9, 1981
DHC-6 6/235

Inspection and Rework of Wiring - J.B. Air-conditioning Unit
(Unit S/N 1013-1074)

Feb 13, 1970
DHC-7 A7-32-98

Landing Gear - Extension and Retraction - Special Inspection of Downlock Microswitch Actuating Lever on Nose Landing Gear
Serial Numbers 3 thru 113

Jan 29, 1993
DHC-6 V6/0028

NOT ISSUED

DHC-2 TB/10

Bolt AN180-C26 Wing Strut to Fuselage Attachment

Nov 21, 1967
DHC-7 7-24-4

Powered Flight Control Shut-off Switches Replacement
- Modification 7/1301 (A/C 1, 2 and 4)

Jun 23, 1978
DHC-7 A7-71-1

Power Plant - Propeller Engine Interface Fretting - Special Inspection
(A/C 1 thru 4, 7 and 9 Total Time in Excess of 1,000 Flight Hours)

Dec 15, 1978
DHC-7 7-11-34

Placards and Markings - Addition of Emergency Notification Label - Flight Data Cockpit Voice Recorders
- S.O.O. 7179
(A/C 1, 2, 3, 6, 7, 8, 12, 21, 26, 30, 36, 57, 64, 74 and 80)

Oct 17, 1986

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