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 21 - 40 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-27-68

Flight Controls - Trailing Flap Selector Solenoid Valve Suppression Diode
- Modification 7/2401
(A/C 3 thru 112 with Modification 7/2093)

Jan 18, 1985
DHC-6 6/361

Main Undercarriage Legs - Hydraulic Piping Special Inspection
(A/C 1 thru 530, Except Floatplanes and Excluding A/C 513, 515, 520, 521, 522, 524, 526 and 528)

Aug 19, 1977
DHC-7 7-53-2

Flight Compartment - Installation of Sun Visors
- Modification 7/1234
(A/C 1, 2, 3, 4 and 7)

Sep 1, 1978
DHC-3 3/04

Tab Elevator - Flap Interconnect - Special Inspection

Sep 8, 1967
DHC-7 7-25-61

Equipment/Furnishings - Overhead Bins -  Replacement of Doorater Assembly with a Gas Spring
-  Modification 7/2224
(A/C 3 and sub. with S.O.O. 7042)

Apr 25, 1990
DHC-7 7-34-17

Navigation - R/NAV Interface Box
-  Addition of Capacitor
-  Modification 7/2014
(A/C 3 thru 57 with Area Navigation System S.O.O. 7016)

Mar 5, 1982
DHC-2T 2/54

Not Applicable

DHC-2 TB/56

Non-Approved Components & Installations

Dec 16, 1983
DHC-7 7-24-50

Electrical Power - DC External/Internal Power Transfer - Introduction of Time Delay Relays
- Modification 7/2184
(A/C 3 thru 90 and 94)

DHC-6 6/537

NOT ISSUED

DHC-7 7-22-15

Not issued

DHC-6 6/121

Elevator/Flap Interconnect Tab - Redesigned to Prevent Distortion Due to Handling
Mod. 6/1121
(A/C 1 thru 105)

Apr 1, 1968
DHC-7 7-30-24

NOT ISSUED

DHC-6 6/457

Non-Approved Components and Installations (All A/C)

Nov 25, 1983
DHC-7 7-57-27

Wings - Flap Hinge Fairings - Installation of Kevlar Fairings with Reprofiled Lines and Improved Support Attachment
- Modification 7/2275
(A/C 1 and Sub.)

Apr 4, 1986
DHC-7 7-10-1

Ground Support Equipment - Improved
Engine Intake and Exhaust Covers
- Modification 7/2013
(A/C 1 thru 72)

Feb 19, 1982
DHC-6 6/41

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

Aug 22, 1967
DHC-7 7-27-84

Flight Controls - Addition of Backing Strips to Mid Trailing Flap Seals
(A/C 1 and Sub.)

Oct 26, 1990
DHC-6 6/377

Hydraulic Pump Power-Off Warning Light - To Relocate
Mod. 6/1654
(A/C 1 thru 594)

Sep 8, 1978
DHC-3 3/20

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

Apr 26, 1974

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