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 for DHC Aircraft

Manual Status List – DHC-2 to DHC-7

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact csps-tp@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 CSPS Technical Publications Coordinator at csps-tp@vikingair.com.

Displaying 221 - 240 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-26-7

Fire Protection - Introduction of Automatic Fire Extinguisher Above Waste Container in Lavatory
- Modification 7/2498
(A/C 1 thru 110)

Aug 1, 1986 Apr 3, 1987 'A'
DHC-7 7-32-25

Nose Landing Gear Emergency System
-  Selector Handle Rework
-  Modification 7/1736
(A/C 3 thru 26)

Jun 13, 1980 Oct 17, 1980 'B'
DHC-7 7-32-77

Main Landing Gear - Main Wheel Assembly
- Gravel Guard 73230238-101 Main Wheel Interference

Mar 7, 1986
DHC-7 7-24-57

Electrical Power - Distribution Cable Lug Ends Inspection for Integrity
(A/C 3 and Sub.)

Dec 21, 1983 Dec 14, 1984
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 7-29-5

Hydraulic System - Shuttle Valve Replacement
- Modification 7/1534
(A/C 1 thru 27)

Feb 15, 1980
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 7-52-31

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 7-35-4

Oxygen - Installation of Portable First Aid Oxygen Cylinder (625 Liters) in Aft End of Cabin
- S.O.O. 7172
(A/C 3 and Sub.)

Apr 25, 1986
DHC-7 7-23-1

Audio Integrating Systems - Wiring Revision
- Modification 7/1262
(A/C 1, 2 and 4)

Sep 29, 1978
DHC-7 7-27-11

Flap Position Indicator System -  To Introduce Close Tolerance PCU Potentiometer, Recalibrated Flap Position Indicator and Stiffer Mounting brackets for the Tailing Flap Potentiometers
-  Modification 7/1387
(A/C 1 thru 4, 6, 7 and 9)

Jun 8, 1979
DHC-7 7-32-41

Main Landing Gear - Emergency Lowering Cable Replacement
- Modification 7/1841 (A/C 3 thru 52)

Oct 2, 1981
DHC-7 A7-32-93

Landing Gear - Main Gear Upper Lock Strut - Special Inspection
(All Aircraft)

Jan 30, 1989
DHC-7 7-11-6

Cargo Door - To Add Caution Label
- Modification 7/1470 (A/C 7 and 9)

Feb 23, 1992
DHC-7 7-25-4

Furnishings - Installation of Stowage Container for Manuals
- Modification 7/1317
(A/C 1 thru 7 and 9)

Mar 9, 1979
DHC-7 7-30-1

Deicing System Distributor Valves - To Install Stronger Springs at Exhaust Poppets
- Modification 7/1535
(A/C 1 thru 13) and all Spares

Oct 12, 1979
DHC-7 7-57-19

Wings - Rear Mounting Adapter Plates -  Inspection, Rectification and Modification
-  Modification 7/2355 (A/C 1 thru 99)

Feb 24, 1984
DHC-7 7-53-11

Fuselage Structure - Installation of Cleats - Special Inspection and Rectification
(A/C 7, 9 and 10)

Sep 26, 1980
DHC-7 7-52-6

Cargo Door - Push Rod Check Cable Installation
- Modification 7/1486
(A/C 7 and 9)

Jul 27, 1979
DHC-7 7-23-18

Communications - HF System Receiver Exciter or Power Amplifier Coupler Replacement
- Modification 7/2218
(A/C 1 thru 132 with S.O.O. 7001) (HF Communication System)

Jun 17, 1983

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