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 1461 - 1480 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issue
DHC-7 7-25-25

Furnishings - Cabin Draft Panel Assembly -  Improved Retention for Airstair Door Cable Attachment
-  Modification 7/2001 (A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-25-24

Furnishings - Flight Attendant's Seat -  Addition of Energy Absorbing Armrest and Improved Headrest
-  Modification 7/1947 (A/C 1 thru 39 and 41)

Apr 30, 1981
DHC-7 7-25-23

Furnishings - Replacement of Seat Pitch Indicators on Seat Rails
- Modification 7/1925 (A/C 3 thru 37)

Mar 20, 1981
DHC-7 7-25-22

Baggage Compartment/Cabin Bulkhead -  Installation of Seals
-  Modification 7/1369 (A/C 1 thru 12)

Mar 27, 1981 Dec 4, 1981 'A'
DHC-7 7-25-21

Furnishings - Overhead Bin Doors -  To Remove Passenger Hazard
-  Modification 7/1773
(A/C 1 thru 36 with S.O.O. 7042)

Feb 20, 1981
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 7-25-2

Ash Tray Installation - Flight Attendant's Seat Support Structure
(A/C 4)

Jul 10, 1978
DHC-7 7-25-19

Furnishings - Toilet Compartment -  Addition of Access Panel
-  Modification 7/1694 (A/C 1 thru 16) (17 thru 35 under de Havilland E.O. 74459)

Mar 27, 1981
DHC-7 7-25-18

Furnishings - Toilet Installation - Improved Pump and Operating Characteristics
- Modification 7/1833
(A/C 3 thru 25 and 27)

Apr 17, 1981 Jan 8, 1982 'A'
DHC-7 7-25-17

Furnishings - Protection for Rear Emergency Exit Air Line
- Modification 7/1564
(A/C 1 thru 31, 33, 34, 36, 37 and 38)

Feb 20, 1981 Apr 3, 1981 'A'
DHC-7 7-25-16

Furnishings - Toilet Compartment -  Replacement of Wash Water System Filter
-  Modification 7/1847 (A/C 1 thru 24)

Jan 9, 1981 Feb 6, 1981 'A'
DHC-7 7-25-15

Furnishings - Installation of Protective Lens for Under Wing Bins Lighting
- Modification 7/1668 (A/C 1 thru 23)

Jan 9, 1981
DHC-7 7-25-14

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

Nov 21, 1980
DHC-7 7-25-13

Cooling Fans - Flight Compartment
- S.O.O. 7050
(A/C 1 and Sub.)

Nov 7, 1980
DHC-7 7-25-12

Furnishings Cargo Door Sidewall -  To Improve Weather Protection
-  Modification 7/1637
(A/C 7, 9, 10, 11, 12, 15, 20 and 23)

Sep 5, 1980
DHC-7 7-25-11

Overhead Stowage Bin Door - Inspection for Fouling (A/C 1 and Sub.)

Oct 3, 1980
DHC-7 7-25-10

Oxygen System - Insulation Blanket for Bottles
- Modification 7/1724
(A/C 1 thru 24)

May 30, 1980 Jan 23, 1981 'A'
DHC-7 7-25-1

Cabin Overhead Stowage Bins - Doorater
- Modification 7/1310
(A/C 4)

May 12, 1978
DHC-7 7-24-9

A.C. System 400 Hz Inverters - Non-Indication of Inverter Failure
(A/C 1 and Sub.)

Aug 13, 1979 May 20, 1980 'E'
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

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