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 7-33-1

Wing Inspection Lights - To Adjust Beam Angle
- Modification 7/1276
(A/C 1, 2 and 4)

Apr 3, 1978
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'
DHC-7 7-32-24

Nose Landing Gear - Wheel Bearing Inspections - Nosewheel Hub Cap and Axle Pin Replacement
- Modification 7/1860
(A/C 1 thru 25)

May 23, 1980 Oct 10, 1980 'A'
DHC-7 7-71-7

Engine - Rear Cowlings - To Overcome Seal Damage
- Modification 7/1537
(A/C 1 thru 52)

Nov 28, 1980 Sep 18, 1981 'A'
DHC-7 7-21-5

Air Conditioning - Cabin Improvement
- Modification 711444
(A/C 1 thru 7 and 9)

Jul 6, 1979
DHC-7 7-29-4

Hydraulic System - Reservoir Overspill Container in Nacelles
- Modification 7/1530 (A/C 1 thru 27)

Jan 5, 1980
DHC-7 7-55-4

Horizontal Stabilizer - To Increase Strength of Elevator Control Lock Stops
- Modification 7/1360
(A/C 1 thru 4, 6, 7 and 9)

Aug 24, 1979
DHC-7 7-27-44

Flight Controls - Second Stage Flap Dump Selector Valve Replacement
- Modification 7/1734
(A/C 1 thru 72)

Jun 18, 1982
DHC-7 7-52-15

Rear Baggage Door - Replacement of Door Strut Structural Provisions
- Modification 7/1327 (A/C 1 thru 4 and 7)

May 2, 1980 Jan 28, 1983 'A'
DHC-7 7-25-37

Furnishings - Overhead Bins Emergency Battery Packs Access
- Modification 7/1918 (A/C 1 thru 72)

Feb 12, 1982
DHC-7 7-33-17

Lights - Passenger Cabin Floor Proximity Emergency Escape Lighting - Replacement of Forward Power Supply Mounting Structure
- Modification 7/2541
(A/C with Modification 7/2505)

Jul 31, 1987 Apr 29, 1988 '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 7-32-40

Main Landing Gear - Emergency Lowering Cable - Installation of Rubbing Block
- Modification 7/1730 (A/C 3 thru 39)

Oct 2, 1981 Nov 27, 1981 'A'
DHC-7 7-71-23

Power Plant - Improved Engine Mount Assembly - Incorporation of Shim
- Lord S/B SM6204-71-01

Oct 25, 1985
DHC-7 7-21-21

Air Conditioning - Removal of Pressurization System Flight Compartment Solenoid Dump Valve
- Modification 711446
(A/C 1 thru 10)

Sep 2, 1983
DHC-7 7-29-20

Hydraulic Power - Replacement of Quantity Limiting Valves
-  Modification 7/2610
Serial Numbers 3 thru 113

Mar 20, 1992
DHC-7 7-57-3

Flight Controls - Improved Aileron Circuit Cable Guard
- Modification 7/1344
(A/C 1, 2, 4 and 9)

Jul 20, 1979
DHC-7 7-27-60

Flight Controls - Outboard Roll Spoiler Centre Hinge Arm - Installation of Longer Bushing
- Modification 7/2324
(A/C 1 thru 86, 89, 91 and 95)

Feb 24, 1984
DHC-7 7-52-31

Doors - To Improved Sealing of Emergency Exits and Baggage Door
- Modification 7/2304
(A/C 3 thru 99)

Sep 9, 1983 Jan 27, 1984 'A'
DHC-7 7-25-53

Equipment/Furnishings - Introduction of Smoke Mask and Storage Bag
- S.O.O. 7178
(A/C 1 and Sub.)

Apr 17, 1987

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