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 1693

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-27-65

Flight Controls - Roll Spoiler Push Rod End Bearing Replacement
- Modification 7/2400
(A/C 1 thru 107)

May 17, 1985
DHC-7 7-53-11

Fuselage Structure - Installation of Cleats - Special Inspection and Rectification
(A/C 7, 9 and 10)

Sep 26, 1980
DHC-7 7-29-17

Hydraulic Power - Inboard Nacelle - Flap Radius Arm Hose Replacement
-  Modification 7/2365
(A/C 1 thru 112)

Jun 29, 1984
DHC-6 6/103

Flap System - Check Valve Introduction
Mod. 6/1084
(A/C 1 thru 105)

Feb 23, 1968
DHC-7 7-25-58

Equipment/Furnishings - Pilot's and Co-Pilot's Seat Installation
- Special Inspection of Seat Retaining bracket (A/C 3 and Sub. with SICMA Crew Seats)

Sep 2, 1988
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-6 6/410

Navigation - Relocation of #2 ADF (Loop) Antenna
Mod. 6/1682
(A/C 271 and Sub.)

Oct 16, 1981
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-7 7-52-25

Furnishings - Toilet Door Latch Release Improvement
- Modification 7/2022
(A/C 3 thru 52 less 51)

Sep 4, 1981
DHC-2 2/29

Aileron/Wing Flutter

Feb 1, 1980
DHC-7 7-34-3

Automatic Flight Control System
-  To Rework Dimming and Test System Wiring
-  Modification 7/1220
(A/C 4)-

Sep 21, 1979
DHC-7 7-57-35

NOT ISSUED

DHC-7 7-32-53

Main and Nose Landing Gear - Wheel Bearing Seal Replacement
(B.F. Goodrich Main Landing Gear Wheel Assemblies 3-1354 Prior to Serial Number 776 and Nose Landing Gear Wheel Assemblies 3-1368 Prior to Serial Number 523)

Feb 11, 1983
DHC-6 6/485

Wings - Introduction of Additional Drain Holes
Mod. 6/1868
(All A/C)

Jul 4, 1986
DHC-6 6/250

To Relocate Fire Detectors and Delete Electrical Connectors
Mod. 6/1108
(A/C 6 thru 105)

Feb 19, 1971
DHC-7 7-53-27

Fuselage - Insulation Support
- Modification 7/2247
(A/C 1 thru 112)

Feb 24, 1984
DHC-6 6/119

Fuselage Bottom Skins - Drain Holes
Mod. 6/1130
(A/C 1 thru 135)

Mar 26, 1968
DHC-6 V6/0037

NOT ISSUED

DHC-7 7-27-1

Roll Spoiler Actuator - Seal Replacement
- Modification 7/1274 (A/C 4)

Jan 13, 1978
DHC-7 7-27-73

Flight Controls - Spoiler Control Servo Assembly - Addition of Flow Restrictor
- Modification 7/2405
(Effectivity - Refer to Parker S/B 265100-27-113)

Jul 19, 1985

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