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 141 - 160 of 1683

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
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 7-32-75

Landing Gear - Main Gear Brakes - Pin and Klip Ring Replaced with Lock Nut Arrangement
(A/C 1 and Sub. less Series 150 A/C)

Sep 13, 1985
DHC-7 7-79-5

Oil System - Engine Oil Low Pressure Warning Switch Replacement
-  Modification 7/2096
(A/C 1 thru 83 and all Spare Engines)

Apr 16, 1982 Sep 24, 1982 'A'
DHC-7 7-23-6

Cockpit Voice Recorder - To Eliminate Stray Erase Bias, Modify A3 Power Supply Board and Add Reflective Strips (A/C 1 and Sub. as required)

Jun 6, 1980
DHC-7 7-31-6

Recording System - Flight Data Recorder Replacement
-  Modification 7/1934
(A/C 1 thru 59)

Dec 4, 1981
DHC-7 7-57-38

NOT ISSUED

DHC-7 7-11-11

Air Conditioning - Ground Connection External Label
- Modification 7/1785
- Modification 7/1785 (A/C 1 thru 27) (A/C 1 thru 27)

Oct 3, 1980
DHC-7 7-28-3

Fuel System - Fuel Booster Pump Door Valve Replacement
- Modification 7/1570
(A/C 1 thru 15)

Apr 11, 1980 Nov 28, 1980 'A'
DHC-7 7-53-30

Fuselage - Additional Structural Provisions to Passenger Seat Rail
- Modification 7/2547
(A/C 1 thru 108 without S.O.O. 7032)

Oct 30, 1987 Jun 30, 1994 'A'
DHC-7 7-27-15

Flap System Duplicate Drive Torque Tube Assemblies - To Introduce Higher Capacity Universal Joints
- Modification 7/1542 (A/C 1 thru 27)

Feb 1, 1980 Apr 18, 1980 'A'
DHC-7 7-35-2

NOT ISSUED

DHC-7 7-25-8

Sun Visors - Replacement
- Modification 7/1468
(A/C 3 thru 12)

Dec 21, 1979
DHC-7 7-32-91

Landing Gear - Main Gear Shock Strut Assembly - Introduction of Improved Scraper and Lower Bearing
(A/C with Main Gear Shock Strut Assemblies Part Number 15100-15, Serial Numbers 8 thru 256)

Oct 28, 1988
DHC-7 7-23-22

Communications - Flight Crew/Attendant Emergency Call Switch Replacement
- Modification 7/2492 (A/C 3 thru 123)

Oct 17, 1986
DHC-7 7-32-11

Nose Landing Gear - Inspection for Correct Shock Strut Trunnion Arm Gap and Rectification - Special Inspection
(A/C 1 thru 7, 9 and 10)

Jun 8, 1979 Nov 16, 1979 'A'
DHC-7 7-61-13

Propellers - Extension Dome and Propeller Assembly - Inspection and Reidentification
-  Hamilton Standard S/B 61-1032
(Effectivity - See Hamilton Standard S/B 61-1032)

Mar 26, 1982

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