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 221 - 240 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/536

NOT ISSUED

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 6/120

Inboard Fore Flap Hinge Arm and Aileron Geared Tab Lever Attachment - Clearance Increase
Mod. 6/1115
(A/C 1 thru 135)

Mar 25, 1968
DHC-6 6/376

Flap Actuator - Piston O" Ring Seal Replacement
Mod. 6/1650
(A/C 1 thru 610)

Jul 4, 1978
DHC-7 7-53-18

Fuselage Insulation - Removal in Rear Fuselage
- Modification 7/1784
(A/C 1 thru 26)

Apr 10, 1981
DHC-3 3/19

Towing Practices

Apr 17, 1974
DHC-7 7-27-3

Flap Screwjacks - Introduction of Screw- jacks with Increased Torque Limiter Settings
- Modification 7/1299
(A/C 1, 2 and 4)

Jun 2, 1978
DHC-7 7-34-32

Navigation - Radio Altimeter System
- Modification to Improve Reliability and Operation
- Sperry S/B 7001840-34-36
(A/C with Sperry RT-300 Radio Altimeter)

Aug 2, 1985
DHC-7 7-32-79

NOT ISSUED

DHC-7 7-82-1

Water Methanol Quantity Indicator
-  Addition of Limit Marks on Face
-  Modification 7/1260
(A/C 1, 2 and 4 with S.O.O. 7025)

May 26, 1978
DHC-6 6/136

Fuel Quantity Indication - Installation of Diode Resistor
Mod. 6/1170
(A/C 1 thru 135)

May 14, 1968
DHC-6 6/472

Flight Controls - Aileron Servo Tab Rod Assembly Replacement
Mod. 6/1850
(A/C 1 thru 812)

Jan 18, 1985
DHC-7 7-11-15

Labels - Nose Landing Gear Main Doors
- Modification 7/1904
(A/C 3 thru 39)

Dec 12, 1980
DHC-6 6/56

Windshields, Cabin, Windows and Skin Joint - Resealing
(All A/C)

Nov 6, 1967
DHC-6 6/392

Airstair Door Unlocked Warning Switch Installation Improvement
Mod. 6/1641
(A/C 1 thru 620)

Mar 21, 1980
DHC-7 7-53-34

Fuselage - Special Inspection and Rectification for Cleat and Fittings (Cargo A/C Only)
(A/C 7, 9 thru 12, 20, 21, 23, 31, 63, 72, 75, 81, 86, 94, 100 and 104 thru 106)

Apr 6, 1990
DHC-7 7-27-19

Aileron Tab Hinge Fitting Clearance - Special Inspection and Rework
- E.O. 74301
(A/C 1 thru 7, 9 and 10)

Apr 11, 1980
DHC-6 6/312

Aileron Flight Controls - To Facilitate Installation
Mod. 6/1435
(A/C 1 thru 370)

May 10, 1974
DHC-7 7-25-12

Furnishings Cargo Door Sidewall -  To Improve Weather Protection
-  Modification 7/1637
(A/C 7, 9, 10, 11, 12, 15, 20 and 23)

Sep 5, 1980
DHC-7 7-32-95

Landing Gear - Nose Landing Gear Steering
-  Reduction of Actuator Creep
-  Modification 7/2608
Serial Numbers 3 thru 113

Jul 31, 1992

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