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 1541 - 1560 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issue
DHC-7 7-24-28

A.C. Generator Type AE2132MK3 - To Introduce Increased Length Drive Shaft (A/C with A.C. Generators AE2132 MK3)

Jan 23, 1981
DHC-7 7-24-27

A.C. Electrical System - Voltage Suppressors Installation with Modification 7/1477
- Modification 7/1874
(A/C 1 thru 52)

Jan 9, 1981 Mar 5, 1982 'A'
DHC-7 7-24-26

A.C. Generator Type AE2132 MK3 and MK4 - Improved Fan Bush and Main Exciter Rotor (A/C with A.C. Generators AE2132 MK3 or MK4)

Oct 10, 1980
DHC-7 7-24-25

Airframe Deicing System - Distribution Valves Electrical Circuit Protection
- Modification 7/1879
(A/C 3 thru 30)

Oct 24, 1980 Feb 13, 1981 'A'
DHC-7 7-24-24

Addition of Diode to Outboard Roll Spoiler Solenoid Circuit
- Modification 7/1373 (A/C 15 thru 22)

Sep 12, 1980
DHC-7 7-24-23

Engine Fire Protection - To Introduce Electrical Short Discrimination
- Modification 7/1302
(A/C 3 thru 23)

Sep 19, 1980
DHC-7 7-24-22

400 Hz Inverters - Deletion of Power Factor Correction Capacitors
- Modification 7/1690
(A/C 1 thru 27)

May 23, 1980
DHC-7 7-24-21

Avionics - V.H.F. Navigation System -  To Change Power Source for Excitation to Radio Magnetic Indicators
-  Modification 7/1678 (A/C 1 thru 19)

May 30, 1980
DHC-7 7-24-20

Electric - D.C. Generator Control Unit Replacement
- Modification 7/1759 (A/C 1 thru 24)

Jul 4, 1980
DHC-7 7-24-2

A.C. Generator - Introduction of Generator AE2132 MKII
- Modification 7/1342 (A/C 4)

May 5, 1978
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 7-24-18

A.C. Generator Control Unit Replacement
- Modification 7/1777 (A/C 1 thru 22)

Aug 15, 1980
DHC-7 7-24-17

Proximity Switch Rework - To Prevent Ingress of Moisture
(A/C 1 and Sub. as required)

Sep 5, 1980
DHC-7 7-24-16

Electrical Harness - Main and Nose Landing Gear - To Improve Reliability
- Modification 7/1693 (A/C 1 thru 14)

Mar 7, 1980
DHC-7 7-24-15

Electrical System - External Power Overvoltage Protection
- Modification 7/1563
(A/C 1 thru 27)

Jan 25, 1980 Sep 19, 1980 'A'
DHC-7 7-24-14

Electrical System - To Provide Independent Control of Inner and Outer Landing Lights
- Modification 7/1335 (A/C 3 thru 27)

Jan 5, 1980
DHC-7 7-24-13

A.C. System 400 Hz - Paralleling Control Box - To Replace Modification 7/1689 (A/C 1 thru 14)

Oct 26, 1979 Oct 17, 1986 'B'
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-7 7-24-11

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

Sep 12, 1979 May 20, 1980 'A'
DHC-7 7-24-10

A.C. System - 400 HZ Inverters Service Life (A/C 1 and Sub.)

Aug 13, 1979 May 20, 1980 'C'

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