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 121 - 140 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-3 3/912 B

Elevator Trim Tab - Redesigned Mass Balance Arms.

Nov 11, 1968
DHC-7 7-25-51

Equipment/Furnishings - Installation of Placard and Cutting of Hole in Fairing to Aid in Rigging of Airstair Door Mechanism
- Modification 7/2483
(A/C 1 thru 107 less 15)

Aug 1, 1986
DHC-6 6/271

Main Circuit Breaker Panel - Special Inspection
(A/C 1 thru 290)

Apr 2, 1971
DHC-7 7-34-7

Avionics - Introduction of Lightweight Vertical Gyro
- Modification 7/1553
(A/C 1 thru 27 with S.O.O. 7011)

Jun 13, 1980
DHC-2T 2/44

Landing Gear -Main Gear Compression and Rebound Blocks - Replacement with Blocks made from Polyurethane -Modification No.2/1539

May 27, 1988
DHC-2 TB/46

Transmittal Document for Modification Bulletin T2/2070 "Engine Mounting Vibration Isolator Standardization" (Refer to Mod. Bulletin for Data)

Jan 9, 1976
DHC-7 7-24-40

Electrical Power - Lucas A.E. 2132 MK4 A.C. Generator - Introduction of New Rotor and Fan Assembly
(All DHC-7 A/C with Lucas A/C Generator A.E. 2132 MK4 Installed)

Feb 19, 1982
DHC-6 6/191

Main Wheel Skis - Reversal of Compensating Linkage
(Wheel Skis S/N\s 003 thru 038)

Jun 26, 1969
DHC-7 7-32-54

Landing Gear - Nose Wheel Steering Potentiometer Self Centering Spring Installation
- Modification 7/2162 (A/C 1 thru 102)

Mar 18, 1983
DHC-6 6/111

Cockpit Handgrip - Introduction
Mod. 6/1021
(A/C 6 thru 15)

Mar 6, 1968
DHC-7 7-30-14

Deicing System - Stall Bar Installation to Deicing Boot Using Interfacing Strip
(A/C 3 thru 112)
(Modification 7/2240 will be incorporated on A/C Serial Number 113 and Sub.)

Oct 28, 1983
DHC-6 6/31

Landplane Take-off Weight Increased to 11,579 lbs. - Specification of Requirements
(A/C 6 and Sub.)

Jun 20, 1967
DHC-7 7-27-74

Flight Controls - Roll Spoiler Actuator Unload Valve Replacement
- Modification 7/2458
(A/C 3 and Sub.)

Jan 17, 1986
DHC-6 6/367

Float Installation - Drain Tube Assembly Installation Check
(All A/C equipped with Floats)

Nov 4, 1977
DHC-3 3/10

Fatigue of DHC-3 Otter Structure - Component Replacement Times

Aug 26, 1969
DHC-7 7-26-6

Fire Protection - Fire Detection System Flexible Cable Connector Replacement (A/C 1 and Sub.)

Oct 19, 1984
DHC-7 7-34-23

Navigation - Radio Altimeter - Transmitter/ Receiver - Introduction of New Model
- Modification 7/2083
(A/C 3 thru 92 with S.O.O 7009 Radio Altimeter Installation)

Apr 29, 1983
DHC-2 2/02

Beaver Aircraft Equipped with Dowty Shock Strut Q- 3046-1 or
Q-3047-1, Distance Piece and Bearing - To Replace

Mar 8, 1967
DHC-7 7-24-56

Electrical Power - Wing Root and Flap Shroud Electrical Conduits - Special Inspection for Chafing of Wiring Insulation (A/C 3 thru 97)

Apr 19, 1984
DHC-6 6/207

Door Open Warning System Modified
Mod. 6/1239
(A/C 1 thru 260)

Jan 20, 1970

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