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 161 - 180 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 A7-32-94

Landing Gear - Emergency Down Release Cables - Inspection for Corrosion and Replacement of Cable Assemblies
- Modification 7/2609 All Aircraft

Sep 3, 1991 Nov 15, 1991 'A'
DHC-7 7-11-4

Lavatory Compartment - Installation of NO SMOKING and NO CIGARETTE DISPOSAL Labels
- Modification 7/1346
(A/C 1, 2, 4, 6, 7 and 9) if lavatory installed

Jun 2, 1978 Dec 21, 1979 'A'
DHC-7 7-57-36

NOT ISSUED

DHC-7 7-53-28

Front Fuselage - Flight Compartment Drainage Provisions
- Modification 7/2073
(A/C 3 thru 75 less 68)

Mar 23, 1984
DHC-7 A7-32-15

Main Landing Gear - Emergency Extension System - Special Inspection
(A/C 1 thru 15)

Nov 26, 1979
DHC-7 7-27-59

Flying Controls - Fore Flap Hinge Arms -  Introduction of Steel Bushings
-  Modification 7/2288
(A/C 3 thru 99)

Mar 23, 1984
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 7-23-15

Communications - Passenger Address System - Addition of P.A. Side Tone Flight Deck Headsets
- S.O.O. 7153
(A/C 3 and Sub. with S.O.O. 7026) (Forward Observer's Seat - Flight Compartment Installed)

Jan 24, 1983
DHC-7 7-28-23

Fuel - Left and Right Hand Tanks - Special Inspection for Bonding Integrity and Condition of the Bonding Jumpers, Conduit, Probes and Related Components
- Modification 7/1397 (A/C 3 thru 113)

Aug 20, 2002
DHC-7 7-25-52

Equipment/Furnishings - Underwing Bins -  Introduction of Dampers
-  Modification 7/2442
(A/C 3 thru 112)

Oct 10, 1986
DHC-7 7-33-7

Emergency Lights - Revised Switching Logic
- Modification 7/1697 (A/C 3 thru 27)

Oct 17, 1980
DHC-7 7-11-20

Labels - Addition of Cabin Interior
- Modification 7/2046
(A/C 4 thru 57)

Oct 2, 1981
DHC-7 7-61-11

Propellers - Blade Retention in Barrel
-  Rework of Inner Bearing Race Set
-  Hamilton Standard S/B 61-1029
(Effectivity - See Hamilton Standard S/B 61-1029)

Mar 26, 1982
DHC-7 7-54-10

Nacelles - Propeller Restraint - Ground Equipment Receptacle
- Modification 7/2007
(A/C 1 thru 62)

Feb 12, 1982
DHC-7 7-32-31

Main Landing Gear - Drag Strut Bearing Housing Installation - Special Inspection and Rectification
(A/C 1 thru 23)

Oct 10, 1980
DHC-7 7-52-21

Airstair Door - Replacement of Cam Follower and Warning Switch
- Modification 7/1966
(A/C 1 thru 39)

Apr 17, 1981 Mar 11, 1983 'A'
DHC-7 7-24-6

Electrical System - AC Bus Fail Relay Protection
- Modification 7/1477 (A/C 1, 2, 3, 4, 7 and 9)

Nov 3, 1978 May 11, 1979 'A'
DHC-7 7-29-11

Hydraulic System - Rudder Actuator -  Installation of Heavier Wall Pressure Tube Assembly on Vertical Stabilizer
-  Modification 7/2236
(A/C 21 thru 73 less 53, 58, 68 and 71)

Apr 23, 1982
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 7-33-23

Lights - Emergency Lights Power Control Relay Installation
- Modification 7/2622
Serial Numbers 003 thru 113 less 25 and 70 With Modification 7/1697

Jul 28, 1995 Oct 20, 1995 'A'

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