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 7-54-12

Nacelles - Improved Fairing Door Cable Installation
- Modification 7/2026
(A/C 003 thru 112 with Modification 7/1374

Nov 12, 1982 Jan 17, 1986 'A'
DHC-7 7-27-31

Flight Controls - Rudder Input Spring Link Replacement
- Modification 7/1571
(A/C 3 thru 27)

Mar 20, 1981
DHC-7 7-52-3

Airstair Door Handrail - Lower Hinge Joint
- Modification 7/1247
(A/C 1, 2 and 4)

Jun 2, 1978
DHC-7 7-25-24

Furnishings - Flight Attendant's Seat -  Addition of Energy Absorbing Armrest and Improved Headrest
-  Modification 7/1947 (A/C 1 thru 39 and 41)

Apr 30, 1981
DHC-7 7-33-4

Nose Gear Bay - Additional Visual Inspection Light
- Modification 7/1242
(A/C 1, 2 and 4)

Jan 31, 1979
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 7-32-27

Landing Gear Anti-Skid Valves
- Modification 7/1836
(A/C 3 thru 52)

Jun 16, 1980 Apr 17, 1981 'A'
DHC-7 7-71-10

Power Plant - Top Rear Engine Mount Replacement
- Modification 7/1936
(A/C 1 thru 58)

Dec 11, 1981
DHC-7 7-21-8

Air Conditioning - Toilet Compartment
- E.O. 70927
(A/C 1 thru 27)

Mar 28, 1980
DHC-7 7-29-7

Hydraulic System - Hydraulic Reservoir Special Test
(A/C 1 thru 27)

Aug 1, 1980 Nov 26, 1982 'B'
DHC-7 7-55-7

Stabilizers - Elevators - Installation of Upper Surface Fairings, Removal of Trim Tab Hinge Cover Plates and Trimming of Lower Surface Fairings, Cover Plates and Elevators Trailing Edge Bottom Skin
- Modifications 7/2203, 7/2217 and 7/2230 (A/C 3 thru 92)

Jul 16, 1982
DHC-7 7-27-47

Flight Controls - Gust Lock System -  Special Inspection and Gust Lock Detent Plunger Rework
-  Modifications 7/2198 and 7/2323
(A/C 3 thru 112)

Sep 24, 1982 Apr 29, 1983 'B'
DHC-7 7-52-18

Airstair Door - Replacement of Cams and Cam Follower
- Modification 7/1767
(A/C 1 thru 31)

Sep 26, 1980 Jan 23, 1981 'A'
DHC-7 7-25-40

Furnishings - Flight Compartment Crew Seats - Cushion Replacement
- Modification 7/2079
(A/C 28 thru 72 incorporating SICMA Seats with 4 1/2 Inches Thick Seat Cushions)

Aug 13, 1982
DHC-7 7-33-20

Lights - Floor Proximity Emergency Escape Lighting - Installation of Electrical Jumpers
- Modification 7/2549
(A/C without Modification 7/1697 and with Modification 7/2505)

Oct 2, 1987 Apr 29, 1988 'B'
DHC-7 7-24-29

Electrics - Wirelocking of Thermal Switches for Cooling Fans
- Modification 7/1873 (A/C 1 thru 25)

Feb 13, 1981
DHC-7 7-32-43

Nose Landing Gear - Emergency System -  Hand Pump Shaft Attachment Circlip Replacement
-  Modification 7/2054 (A/C 3 thru 51)

Dec 11, 1981 Jun 10, 1983 'B'
DHC-7 7-73-2

PT6A-50 Fuel Manifold - Special Inspection
(A/C 1 thru 14)

Sep 7, 1979 Feb 18, 1983 'B'
DHC-7 7-21-24

Air Conditioning - Bleed Air Temperature Control Sense tine Drain Holes
- Modification 712320
(A/C 3 thru 112)

Apr 6, 1984
DHC-7 7-30-3

Snow Separator - Torque Tube - To Introduce Strengthened Torque Tube Spindle and Operating Levers
- Modification 7/1556
(A/C 1 thru 14)

Jan 25, 1980

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