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 101 - 120 of 1683

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-52-34

Doors - Airstair Door - Locking Mechanism Monitoring Switch Relocation
- Modification 7/2513
(A/C 3 thru 107)

May 16, 1986
DHC-7 7-25-56

Equipment/Furnishings - Fireblocking Requirements for Aircraft Seat Cushions (A/C 1 thru 108)

Sep 11, 1987 Jan 20, 1989 'A'
DHC-7 7-34-12

Navigation - AA200 Radio Altimeter System - To Improve Reliability of the RT220/221 Radio Altimeter
(A/C 1 and Sub.)

Aug 21, 1981
DHC-7 7-24-45

Electrical Power - Lucas A.C. Generator AE2132 MK3 and MK4 - To Introduce Washer Between Tail End Bearing and Cupwasher (MK4) and to Introduce New Cupwasher (MK3) - Lucas Aerospace Modifications 5176 and 5170CG
(A/C with A.C. Generator AE2132 MK3 or MK4)

Jun 25, 1982
DHC-7 7-32-59

Landing Gear - To Mute Flap Portion of Warning Horn Circuit During Take-off and Allow Operation of Horn at 15 Degree Flap Landing Position
- Modification 7/2202
(A/C 3 thru 112)

Oct 14, 1983 Jan 18, 1985 'B'
DHC-7 7-76-11

Engine Controls - Cables - Installation of Turnbuckles in Wing Leading Edge
- Modification 7/2418
(A/C 1 and Sub.)

Apr 11, 1986
DHC-7 7-22-10

Auto Flight System - Aileron Servo bracket Attachment Screws - Special Inspection and Rectification - Sperry Technical News Letter 23-1983-06, Rev. 1

Mar 9, 1984 Mar 30, 1984 'A'
DHC-7 A7-30-19

Aircraft Flight in Plus 5 to Plus 10 Degrees Centigrade in Atmospheric Conditions of Visible Moisture - Procedural Change
(A/C 1 and Sub.)

Dec 10, 1984 Feb 20, 1985 'A'
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 7-32-75

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

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