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 1521 - 1540 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-32-17

Main Landing Gear - Down Lock Release Actuator Hose - Inspection and Rectification
- E.O. 74524
(A/C 1 thru 18)

Dec 21, 1979
DHC-7 7-61-19

Propellers - Change to Lower Rated Circuit Breaker in Synchrophase Control
- Modification 7/2567
(All A/C)

Sep 2, 1988
DHC-7 7-11-33

Placards and Markings - Addition of Caution Label to Refuel/Defuel Control Panel
- Modification 7/2496 (A/C 1 thru 110 less 15)

Sep 14, 1985 Sep 12, 1986 'B'
DHC-7 V7-28-02

Fuel - Refuel/Defuel - Wiring Change at Refuel/Defuel Panel for Pressure Relief Valve (PRV) - SFAR 88 Compliance

Oct 1, 2007 Sep 18, 2009 'A'
DHC-7 7-54-18

Nacelles - Propeller Restraint - External Loops for Lanyard Hook
- Modification 7/2214
(A/C 1 and Sub.)

Feb 23, 1990
DHC-7 7-27-37

Flight Controls - Replacement of Left and Right Hand Wing Flap Track No. 4 Forward Support Fitting
(A/C 53 thru 57, 59 and 60)

Oct 28, 1981
DHC-7 7-52-9

Airstair Door - To Improve Functioning
- Modification 7/1567
(A/C 1 thru 14)

Oct 26, 1979 Sep 26, 1980 'A'
DHC-7 7-25-30

Furnishings - Right Hand Rear Passenger Seat Back Tilting Provision and Inboard Armrest Rework
- Modifications 7/2021 and 7/2041
(A/C 3 thru 66 less 40, 51 with S.O.O. 7036)

Dec 4, 1981 Mar 5, 1982 'A'
DHC-7 7-33-10

Taxi Light - Improved Lens
- Modification 7/1911
(A/C 3 thru 92)

Sep 10, 1982
DHC-7 7-24-19

Electrical System - AC Generator Control Switch Replacement
- Modification 7/1746
(A/C 1 thru 22, 24 and 25)

Jun 27, 1980 Jan 23, 1981 'A'
DHC-7 7-32-33

Main Landing Gear - Up and Down Lock Switch Mounting Revisions
- Modification 7/1510
(A/C 3 thru 19)

Nov 21, 1980
DHC-7 7-71-16

Power Plant - Improved Small Combustion Chamber Exit Duct Assembly - Pratt and Whitney S/B 6071
(All A/C with PT6A-50 Engines Prior to Serial Number PC-E86433)

Jun 18, 1982
DHC-7 7-21-14

Air Conditioning - Cabin Pressure Controller Replacement
- Modification 711 933
(A/C 1 thru 48)

Aug 21, 1981 Nov 13, 1981 'A'
DHC-7 7-29-13

Hydraulic System - Improved Shuttle Valve -  Modification 7/2137 (A/C 3 thru 56)

Jun 25, 1982
DHC-7 7-56-3

Windshield - Introduction of Third Heat Sensor and Additional Terminal Block Connections
- Modification 7/1769
(A/C 1 thru 32)

Oct 24, 1980
DHC-7 7-27-53

Flight Controls - Improved Sealing of Flap Actuators
(A/C 1 and Sub. with Flap Actuator Assembly 24020 Serial Numbers MC-001 thru 227 24040 Serial Numbers MC-001 thru 227 and 24060 Serial Numbers MC-001 thru 227)

Mar 31, 1983 Oct 28, 1983 'A'
DHC-7 7-52-24

Airstair Door - To Introduce an External Handgrip
- Modification 7/1484 (A/C 1 thru 11)

Jul 3, 1981
DHC-7 7-25-46

Equipment and Furnishings - Tail Strut Stowage Provisions
- S.O.O. 7160
(A/C 1 Sub.)

Jun 29, 1984
DHC-7 7-34-2

Automatic Direction Finder - To Introduce Loop Antenna Connector Shroud
- Modification 7/1495
(A/C 1 thru 7 and 9 thru 12)

May 4, 1979
DHC-7 7-24-35

Electrical System - Variable Frequency A.C. Power - Special Inspection of Cable Assembly (A/C 1 thru 68)

Oct 2, 1981

Pages