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 1561 - 1580 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-39-6

Instruments - Engine Turbine Temperature and Propeller Tachometer Clamp Replacement
- Modification 7/1998
(A/C 3 thru 72)

Mar 5, 1982
DHC-7 7-57-21

Wings - Inboard Leading Edge Nose Lower Spar Cap Fastener Replacement
- Modification 7/2359
(A/C 1 thru 98)

Apr 19, 1984
DHC-7 7-11-27

Placards and Markings - Addition of Toilet Label
- Modification 7/2332
(A/C 1 thru 86, 89 and 91)

Jun 17, 1983 Aug 17, 1984 'A'
DHC-7 A7-32-102

Landing Gear - Brakes and Nose Doors
-  Special Inspection of Shuttle Valves and Replacement of Filter Fittings
All Models Serial Numbers 003 thru 113 with Brake Shuttle Valves
Serial Numbers 2162A thru 2244A installed

Oct 22, 1997 Nov 26, 1997 'A'
DHC-7 7-53-13

Airstair Door - Rework to Lower Pressure Stops on Fuselage Frame
- Modification 7/1766
(A/C 1 thru 22)

Sep 26, 1980
DHC-7 7-32-14

Hydraulic System - Main Landing Gear Retraction Actuator Up Line Hose - Special Inspection
(A/C 1 thru 14 and all Spares)

Oct 26, 1979 Aug 17, 1984 'A'
DHC-7 7-28-22

NOT ISSUED

DHC-7 7-24-14

Electrical System - To Provide Independent Control of Inner and Outer Landing Lights
- Modification 7/1335 (A/C 3 thru 27)

Jan 5, 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 NOTE:

Operators should be aware that Incorporation of this Modification Retrofit Kit 7MK1327 -003 also Necessitates the Installation of Modification 7/1704 - Baggage Door Stay Replacement - S/B 7-52-14

DHC-7 7-57-38

NOT ISSUED

DHC-7 7-21-9

Bleed Air System - To Install Diverter Valve
- S.O.O. 7066
(A/C 1 and Sub. as required)

May 30, 1980 Oct 2, 1981 'A'
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 7-73-5

Engine Fuel and Control - Fuel Flow Trans. Temperature Compensation Resistor
-  Relocation and Electrical Connector Replacement
-  Modification 7/2347
(A/C 3 thru 86, 89, 91, 94 and 95)

Oct 14, 1983
DHC-7 7-33-16

Lights - Emergency Lights Power Supply Replacement
- Modification 7/2521
(A/C with Modification 7/1697)

Jan 16, 1987
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 7-32-30

Main Landing Gear Wheels - Insert and Drive Lug Repair Limits
(All A/C)

Sep 5, 1980
DHC-7 7-29-10

Hydraulic Engine Driven Pump - Shaft Sleeve (Vespel) and a New Port Cap Introduced
- Modifications 7/1957 and 7/2048
(A/C 3 thru 50 for Modifications 7/1957 and 7/2048 A/C 51 thru 92 for Modification 7/2048 only)

Apr 26, 1982 Nov 12, 1982 'A'
DHC-7 7-24-30

Electrics - Addition of Pitot Heat Power Supply Indication
- S.O.O. 7084
(A/C 1 thru 38)

Feb 13, 1981 Mar 27, 1981 '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'

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