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 201 - 220 of 1683

Bulletins RSS

Aircraft S/B No.sort ascending Title Original Issue Latest Issue
DHC-7 7-78-3

Exhaust - Engine Exhaust Duct Fairing
-  Improved Method of Attachment
-  Modification 7/2462
(A/C 3 & Sub. with Modification 7/2187)

Oct 11, 1985
DHC-7 7-78-2

Engine Exhaust - Rework or Replacement of Exhaust Duct Fairings
-  Modification 7/2187
(A/C 1 thru 112)

Nov 25, 1983 Sep 15, 1989 'B'
DHC-7 7-78-1

Exhaust System - Replacement of Stack Fairing Assemblies
-  Modification 7/1593
(A/C 1 thru 27)

Jun 13, 1980
DHC-7 7-77-6

Oil - Oil Cooler Drain Valve Replacement
- Modification 7/2409
Serial Numbers 1 thru 112
CANCELLED

May 24, 1995 Jul 5, 1991 'A'
DHC-7 7-77-5

Engine Indicating - Torque Pressure Transmitter Vibration Isolators Replacement
- Modification 7/2232
(A/C 1 thru 113)

Apr 19, 1984
DHC-7 7-77-4

Engine/Propeller Indicating - Improved Tachometer Generator Assembly
- Modification 7/2152
(A/C 1 thru 92 & all Spare Engines)

Apr 30, 1982
DHC-7 7-77-3

Instruments - Propeller R.P.M. Indicators -  Revision to Range Markings
-  Modification 7/1905
(A/C 1 thru 30)

Oct 17, 1980 Sep 18, 1981 'B'
DHC-7 7-77-2

Engine Instruments - To Revise Range Markings
- Modification 7/1304 (A/C 3, 4, 7 & 9)

Feb 2, 1979 Jan 23, 1981 'C'
DHC-7 7-77-1

Engine Torque Pressure Transmitter -  To Relocate and Shock Mount Improved Transmitter
-  Modification 7/1272
(A/C 1, 2 & 4)

Sep 15, 1978
DHC-7 7-76-9

Engine Controls - Introduction of Strengthened Cam Cluster Bearing Retention Plates
- Modification 7/2313
(A/C 3 thru 112)

Feb 24, 1984 Aug 17, 1984 'A'
DHC-7 7-76-8

Engine Controls - Centre Console -  Replacement of Anchor Nuts on Cover with Studs
-  Modification 7/1525
(A/C 1 thru 10)

Sep 16, 1983
DHC-7 7-76-7

Engine Controls - Elimination of Ground Idle Operation
- Modification 7/2091
(A/C 1 thru 83 and 86)

Dec 22, 1982 Jun 10, 1983 'A'
DHC-7 7-76-6

Power Plant - Introduction of Improved Propeller Reversing and Propeller Governor Push-Pull Cables
- Pratt and Whitney S/B 4053, Rev. 2
(Effectivity - See Pratt and Whitney S/B 4053, Rev. 2)

Jul 9, 1982 Apr 29, 1983 'B'
DHC-7 7-76-5

Engine Control Cables - Seal Plate Special Inspection and Rectification
- Special Inspection
(A/C 3 thru 65)

Oct 23, 1981
DHC-7 7-76-4

Engine Controls - Flight Idle Gate Motor Replacement
- Modification 7/1399
(A/C 1 thru 14)

Nov 28, 1980
DHC-7 7-76-3

PT6A Engine - Replacement of Control Cables Incorporating Insulation of Sleeves
- Modification 7/1508
(A/C 1 thru 27)

May 9, 1980
DHC-7 7-76-2

Engine Controls - Throttle Control Rods
- Modification 7/1565
(A/C 1 thru 4, 6, 7, 9 and 10)

Feb 29, 1980
DHC-7 7-76-13

Engine Controls - Nacelle Throttle Quadrant
- Special Inspection for Fouling and Installation of Additional Washers to the Cable Guard Mounting Bolts
All Aircraft

Jan 28, 1994
DHC-7 7-76-12

Engine Controls - Nacelles - New Fireseal Installation of Control Cable Penetrations in Firewall
- Modification 7/2519
(A/C 3 thru 107)

Nov 14, 1986
DHC-7 7-76-11

Engine Controls - Cables - Installation of Turnbuckles in Wing Leading Edge
- Modification 7/2418
(A/C 1 and Sub.)

Apr 11, 1986

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