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 181 - 200 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-29-20

Hydraulic Power - Replacement of Quantity Limiting Valves
-  Modification 7/2610
Serial Numbers 3 thru 113

Mar 20, 1992
DHC-7 7-57-18

Wings - Flight Spoiler Actuator Access Cover -  To Provide `Formed in Place' Seal
-  Modification 7/2257
(A/C 3 thru 092)

Jan 6, 1984
DHC-7 7-53-10

Cargo Door - To Introduce Lubrication for Door Guide Rollers
- Modification 7/1702
(A/C 7, 9 thru 12, 15, 20 and 23)

Feb 29, 1980
DHC-7 7-52-4

Outer Nacelle Lower Access Door -  To Provide Water Drain Holes
-  Modification 5/1278
(A/C 1, 2 and 4)

May 19, 1978
DHC-7 7-52-5

Rear Baggage Door - To Replace Liner and Gas Spring Strut Dish Fairing
- Modification 7/1538
(A/C 1 thru 4, 6, 7, 9 and 10)

May 25, 1979
DHC-7 7-23-17

Communications - Introduction of Diode to Flight Attendant's Panel Electrical Circuit
- Modification 7/2208 (A/C 1 thru 92)

Feb 25, 1983
DHC-7 7-27-27

Flight Controls - Control Pulley Cable Guard - Special Inspection
(A/C 1 thru 31)

Dec 12, 1980 Oct 2, 1981 'A'
DHC-7 7-33-6

Emergency Exit Lights - Lens Replacement
- Modification 7/1312
(A/C 1 thru 12)

Apr 11, 1980
DHC-7 7-11-22

Pilots Instrument Lights - Additional Identification Label for Circuit breakers
- Modification 7/2138
(A/C 3 thru 112)

Jun 18, 1982 Mar 22, 1985 'A'
DHC-7 7-25-20

Cargo Divider Bulkhead - Addition of Smoke Seal
- Modification 7/1675 (A/C 9, 10, 12, 20 and 23)

Feb 13, 1981
DHC-7 7-30-17

Ice and Rain Protection - Windshield Wiper Motor/Converter Access Rework
-  Modification 7/2273
(A/C 3 thru 112)

Jul 6, 1984
DHC-7 7-76-2

Engine Controls - Throttle Control Rods
- Modification 7/1565
(A/C 1 thru 4, 6, 7, 9 and 10)

Feb 29, 1980
DHC-7 7-57-35

NOT ISSUED

DHC-7 7-27-77

Flight Controls - Rudder Trim Control -  Audible Warning
-  Modification 7/2500
(A/C 1 thru 112)

Jun 27, 1986 Jul 31, 1987 'B'
DHC-7 7-53-27

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

Feb 24, 1984
DHC-7 7-52-20

Airstair Door - Hinge Installation -  To Correct Forward and Aft Location
-  Modification 7/1871
(A/C 3 thru 25)

Sep 26, 1980
DHC-7 7-24-8

Electrical System - External Power Connector and Limiter - Introduction of Copper Bus Bars
- Modification 7/1472 (A/C 1 thru 12)

Jun 22, 1979
DHC-7 7-27-43

Flight Controls - Improved Second Stage Flap Dump Selector Valve
- Modification 7/2002
(A/C 1 thru 51)

Mar 12, 1982
DHC-7 7-33-22

Lights - Emergency Battery Lighting Power Supply Change
(A/C with 60-1321-1 and 60-3844-1 Power Supplies)

Jun 9, 1989 Oct 13, 1989 'A'
DHC-7 7-21-3

Direct Vision Window - To Introduce Seal at Air Conditioning Duct Outlet
- Modification 711230
(A/C 1, 2 and 4)

Mar 23, 1979

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