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 81 - 100 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-21-28

Air Conditioning - Standardized Outflow Valves Aft Cabin - Pressure System
- Modification 712406
(A/C 1 thru 108)

Apr 4, 1986
DHC-6 6/408

Navigation - Gyroscope Horizons 700 and Variants and 705-7 and Variants
(All A/C equipped as above)

Aug 21, 1981
DHC-6 6/48

Low Suction Warning System - For Vacuum Instruments - Introduction
Mod. 6/1014
(A/C 6 thru 11)

Aug 22, 1967
DHC-7 7-31-9

Indicating/Recording - Instruments
-  Flight Data Acquisition Unit
-  Modification of Power Supply Circuit Card No. 2 (Effectivity - See Teledyne S/B 2222601-31-25)

Jan 18, 1985
DHC-6 6/235

Inspection and Rework of Wiring - J.B. Air-conditioning Unit
(Unit S/N 1013-1074)

Feb 13, 1970
DHC-2 TB/26

Transmittal Document for Standard Optional lnstallation Bulletin S.O.O. 2066

Aug 22, 1968
DHC-7 7-57-38

NOT ISSUED

DHC-3 3/27

Altimeter - Introduction of Aerosonic Altimeter 101730-01419 - Modification 3/921

May 14, 1976
DHC-7 7-28-6

Fuel System Quantity Indication - To Replace Fuel Probe In No. 4 Outboard Wing Tanks
- Modification 7/1503 (A/C 1 thru 27)

Oct 30, 1980
DHC-7 7-35-1

Portable Passenger Oxygen Cylinders - To Introduce a Brass Plug in Lieu of Nylon Plug at Filler Cap
- E.O. 70837
(A/C 3, 4, 6, 7, 9 and 10)

Jul 6, 1979
DHC-7 7-27-71

Flight Controls - Rudder Trim Switch Replacement
- Modification 7/2432
(A/C 1 thru 107)

Jun 14, 1985
DHC-6 6/514

Communications - Installation of New Speaker
(All A/C with S.O.O. 6054 or S.O.O. 6096 (Public Address System) incorporated)

Jan 18, 1991
DHC-7 7-26-3

Fire Protection - Firex Container Tube Assembly Replacement
- Modification 7/2017
(A/C 1 thru 72)

Apr 12, 1982
DHC-7 7-22-14

Auto Flight - Addition of Manual Deselect Input to Automatic Pilot Disconnect Audible Alert Unit
- Modification 7/2591
(All A/C with S.O.O. 7186)

Dec 1, 1989
DHC-6 6/344

Static Selector Valve Replacement
Mod. 6/1506
(A/C 1 thru 490)

Mar 5, 1976
DHC-6 6/64

Bleed Air System - Relocation of Check Valve
(A/C 6 thru 15)

Dec 20, 1967
DHC-2 TB/42

Label - Elevator Rigging

Sep 3, 1971
DHC-7 7-61-13

Propellers - Extension Dome and Propeller Assembly - Inspection and Reidentification
-  Hamilton Standard S/B 61-1032
(Effectivity - See Hamilton Standard S/B 61-1032)

Mar 26, 1982
DHC-6 6/264

Air Speed Indicator and Operating Instructions Placard
Mod. 6/1291
(A/C 231 thru 270)

Nov 20, 1970
DHC-7 7-28-22

NOT ISSUED

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