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 1693

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/41

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

Aug 22, 1967
DHC-7 7-24-12

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

Sep 24, 1979
DHC-3 3/20

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

Apr 26, 1974
DHC-7 7-21-7

Air Conditioning - Flow Control Elimination
- S.O.O. 7069
(A/C 1 and Sub. as required)

Jan 5, 1980
DHC-2 2/54

Not applicable

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-7 7-25-14

Furnishings - Reduction of Crew Seat Travel
- Modification 7/1750
(A/C 1 thru 27)

Nov 21, 1980
DHC-6 6/463

Fuel Multi Drum Ferry Fuel System - Precautionary Procedure in the Event of Reuse
(All A/C)

Sep 14, 1984
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-6 6/136

Fuel Quantity Indication - Installation of Diode Resistor
Mod. 6/1170
(A/C 1 thru 135)

May 14, 1968
DHC-6 6/356

Fuel Quantity Indicators for A.C. System
Mod. 6/1169
(A/C 1 thru 159)

Feb 11, 1977
DHC-6 6/57

Anti-Collision Beacon - Grimes G8400A-24 Installation
Mod. 6/1116
(A/C 1 thru 70)

Oct 26, 1967
DHC-6 V6/066

Aileron Structure Inspection

Dec 9, 2019
DHC-6 6/276

Propeller Autofeather Torque Pressure Switch Replacement
Mod. 6/1423
(A/C 231 thru 290)

May 14, 1971
DHC-7 7-24-28

A.C. Generator Type AE2132MK3 - To Introduce Increased Length Drive Shaft (A/C with A.C. Generators AE2132 MK3)

Jan 23, 1981
DHC-3 3/36

Cherrymax Rivets and Riveters 31.10.80

Dec 1, 1980
DHC-7 7-32-32

Main Landing Gear Brake Assembly
- Improved Insulator Back-Up Plate (All A/C)

Oct 24, 1980
DHC-7 7-39-1

Barometric Standby Altimeter
-  Co-pilot's Installation
-  Modification 7/1522
(A/C 1, 2, 3 and 7 thru 12)

Sep 28, 1979
DHC-7 7-27-37

Flight Controls - Replacement of Left and Right Hand Wing Flap Track No. 4 Forward Support Fitting
(A/C 53 thru 57, 59 and 60)

Oct 28, 1981
DHC-7 7-21-23

Air Conditioning - Introduction of Spring - Loaded Bleed Air Duct Retention Bolts
- Modification 712342

Mar 16, 1984

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