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 1601 - 1620 of 1683

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-30-28

Ice and Rain Protection - Stall Warning Transducer Heat - Introduction Heat Failure Indication
- Modification 7/2566
(A/C 3 thru 113)

Oct 28, 1988 May 31, 1991 'A'
DHC-7 7-57-31

Wings - Internal Skin Panel Corrosion - Special Inspection
(A/C Serial Number 3 thru 101)

Nov 4, 1987
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 7-27-88

Flight Controls - Flap Actuators - Removal of Screwjack Corrosion and Introduction of Improved Protection
- Modifications 7/2367, 7/2368 and 7/2369 Serial Numbers 003 thru 113

Sep 25, 1992
DHC-7 7-53-24

Fuselage - Wing To Fuselage Fairing -  Improved Drainage Provisions
-  Modification 7/2305
A/C 1 thru 112)

Sep 16, 1983
DHC-7 7-27-9

Elevator - Rework of Spring Tab Push Rod Fairing Attachment
- Modification 7/1489 (A/C 1 thru 4, 6, 7 and 9)

Feb 23, 1979
DHC-7 7-34-38

Navigation - Ground Proximity Warning System (GPWS) - Activation of Steep Approach Adapter at 45 Degrees Flaps Only
- Modification 7/2569
(A/C 1 and Sub. with S.O.O. 7181)

Jun 15, 1990
DHC-7 7-25-2

Ash Tray Installation - Flight Attendant's Seat Support Structure
(A/C 4)

Jul 10, 1978
DHC-7 7-32-85

Landing Gear - Nosewheel Emergency Down -  Rework to Prevent Closing of Handpump Door with Selector in Emergency Position
-  Modification 7/2530
(A/C 1 and Sub.)

Apr 17, 1987
DHC-7 7-92-3

Components Installed in de Havilland Aircraft of Canada Limited (DHC) Products
(A/C 1 & Sub.)

Aug 31, 1984
DHC-7 7-23-16

Communications - Audio Control Panel -  Total Audio Recording Provision
-  Modification 7/2283
(All DHC-7 A/C with Cockpit Voice Recorder S.O.O. 7022 Installed)

Feb 4, 1983
DHC-7 7-32-5

Main Landing Gear Door Mechanism -  To Increase Strength at Torque Tube Centre Bellcrank/Push Rod Attachment
-  Modification 7/1455 (A/C 3 thru 12)

Mar 9, 1979
DHC-7 7-61-7

Propellers - Blades - Erosion Protection of Heater Leading Edge
-  Hamilton Standard S/B 61-1026
(Effectivity - See Hamilton Standard S/B 61-1026)

Oct 9, 1981
DHC-7 7-11-21

Hydraulic Reservoir - Label Change - To Prevent Overfilling
- Modification 7/1915
(A/C 3 thru 92)

Oct 2, 1981
DHC-7 7-28-13

Fuel System - Pressure Switch Replacement
- Modification 7/2201
(A/C 1 thru 95)

Aug 28, 1983 May 18, 1984 'A'
DHC-7 7-54-6

Inboard Nacelles - Introduction of Trough to Debris Guard
- Modification 7/1388 (A/C 1, 2, 3 and 4)

May 4, 1979
DHC-7 7-27-25

Wing Flight Spoilers - Rigging Check and Special Inspection of Spoiler Outboard Attachment Bellcrank Spigot Fitting for Cracking
- Modifications 7/1927 and 7/1951
(A/C 3 thru 36)

Sep 26, 1980 Jan 28, 1983 'B'
DHC-7 7-39-5

Flight Controls - Stall Warning Computer Replacement
- Modification 7/1551
(A/C 1 thru 27)

May 15, 1981
DHC-7 7-25-18

Furnishings - Toilet Installation - Improved Pump and Operating Characteristics
- Modification 7/1833
(A/C 3 thru 25 and 27)

Apr 17, 1981 Jan 8, 1982 'A'
DHC-7 7-32-101

Landing Gear - Extension and Retraction
-  Replacement of the Downlock Microswitch Actuating Lever on Nose Landing Gear -
Modification 7/2616
Serial Numbers 3 thru 113

Nov 15, 1993

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