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 1601 - 1620 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-57-22

Wings - Vortex Generator Replacement
- Modification 7/2358
(A/C 1 thru 112)

May 11, 1984
DHC-7 7-27-79

Flight Controls - Introduction of Improved Ground Spoiler Selector Valve No. 2
- Modification 7/2485
(A/C 3 and Sub.)

Mar 24, 1989
DHC-7 7-53-14

Airstair Door - Replacement of Pressure Stop Wear Plates
- Modification 7/1870
(A/C 1 thru 27)

Sep 26, 1980
DHC-7 7-26-11

Fire Protection - Lavatory - Introduction of Alternative Smoke Detection System
- Modification 7/2554

Dec 4, 1987 Nov 17, 1993 'A'
DHC-7 7-34-28

Navigation - Primus 400 Coloured Weather Radar Receiver Transmitter Part Number Change - Modification 7/2287
(All A/C with S.O.O. 7007-2
RCA Primus 400 Colored Weather Radar)

Sep 30, 1983
DHC-7 7-24-61

Electrical/Power - AC 400 Hz System
-  Ground Stud Segregation
-  Modification 7/2490 (A/C 3 and Sub.)

Mar 14, 1986 Jun 13, 1986 'A'
DHC-7 7-24-62

Electrical Power - Additional Bus Bars Installation
- Modification 7/2515
(A/C with Modification 7/2254)

Aug 29, 1986
DHC-7 7-32-76

Main Landing Gear - Wheel Assembly
- Procedure for Lubtork of Tie Bolts, Washers, Nuts and Wheel Painting (A/C with Wheel Assembly 3-1354)

Oct 4, 1985
DHC-7 7-79-6

Oil - Oil Cooler Drain Valve Replacement
-  Modification 7/2409
(A/C 1 thru 112)

Jun 28, 1985
DHC-7 7-23-7

Communications - Improved to Cockpit Voice Recorder Tape Circuits
(All A/C with Sundstrand Voice Recorder Installed)

May 8, 1981
DHC-7 7-31-7

Communications - Cockpit Voice Recorder
-  Rework to Prevent Loss of Input
- S.O.O. 7141
(A/C 54, 62 and 66)

Apr 8, 1982
DHC-7 7-57-39

NOT ISSUED

DHC-7 7-11-12

Avionics - Emergency Locator Transmitter Battery - Installation of Label
- Modification 7/1742
(A/C 1 thru 22)

Nov 7, 1980
DHC-7 7-28-4

Fuel System - Boost Pump Wiring - To Install Protective Sleeve
- Modification 7/1572
(A/C 1 thru 17)

Apr 18, 1980 Jun 9, 1980 'A'
DHC-7 7-53-31

Fuselage - Introduction of New Nose Landing Gear Outer Drag Strut Attachment Fitting
- Modification 7/1328
(A/C 3 thru 27)

Dec 15, 1989
DHC-7 7-27-16

Flying Controls - Flap Transmission Shaft Steady Bearing Retaining Strap
- Modification 7/1633
(A/C 1 thru 27)

Feb 15, 1980
DHC-7 7-35-3

Crew Fixed Oxygen System - Unreliable Flight Compartment Quantity Gauge Indicator - Pressure Reducer Replacement
- Modification 7/2156
DHC-7 Serial Numbers 1 thru 69

Sep 4, 1981 Sep 24, 1982 'C'
DHC-7 7-25-9

Seat Pitch Position Indication On Seat Rails
- Modification 7/1540
(A/C 1 thru 27)

Feb 8, 1980 Apr 18, 1980 'A'
DHC-7 7-32-92

Landing Gear - Main Gear Brake Assembly
-  Brake Lining Replacement
-  Modification 7/2582
(A/C with Brake Assemblies Part Numbers 2-1329 and 2-1329-1)

Mar 3, 1989
DHC-7 7-23-23

Communications - Installation of a Standard VHF Antenna for Upper and Lower Locations
- Modification 7/2301
(A/C 3 thru 110 with S.O.O. 7002)

Feb 27, 1987

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