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 101 - 120 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-25-35

Furnishings - Floor Drain System Tubing Replacement
- Modification 7/1774
(A/C 1 thru 52)

Jan 29, 1982
DHC-6 6/54

Navigation Lights - Wing Tip Indicator
Mod. 6/1024
(A/C 1 thru 14)

Oct 13, 1967
DHC-7 7-32-58

Landing Gear - Installation of Protective Boots to Main and Nose Landing Gear Weight Switch Connectors (Superseded by Modifications 7/2417 and 7/2421)
- Modifications 7/2197 and 7/2316) (A/C 3 thru 102)

Sep 9, 1983
DHC-7 7-21-24

Air Conditioning - Bleed Air Temperature Control Sense tine Drain Holes
- Modification 712320
(A/C 3 thru 112)

Apr 6, 1984
DHC-3 3/33

Float Installation Drain Tube Assembly - Installation Check

Nov 4, 1977
DHC-7 7-31-4

Flight Data Recorder System - Incorrect Wiring Termination
-  Modification 7/2056
(A/C 3 thru 39, 50 and 51 with S.O.O. 7021)

Sep 25, 1981
DHC-6 V6/0008

Reverse Current Relay (RCR) Operator Survey Campaign

Feb 8, 2012
DHC-7 7-57-19

Wings - Rear Mounting Adapter Plates -  Inspection, Rectification and Modification
-  Modification 7/2355 (A/C 1 thru 99)

Feb 24, 1984
DHC-7 7-27-58

Flight Controls - Aileron and Elevator Roll and Pitch Disconnect Handle - Pull Out Load Reduction
- Modification 7/1910 (A/C 1 thru 62)

Nov 25, 1983
DHC-2 TB/29

Amphibious Landing Gear - Warning Light - Wiring Alterations

Sep 24, 1968
DHC-7 7-28-1

Fuel System Level Control (Secondary) -  To Ensure Operation of Press -To-Test Indicator Lights During Refueling Operation
-  Modification 7/1253
(A/C 1, 2 and 4)

Mar 23, 1979
DHC-6 6/134

Engine Oil Cooler - Drain Plug Replacement
Mod. 6/1092
(A/C 1 thru 105)

May 2, 1968
DHC-6 6/471

Control Cables - Turnbuckle MS21251B Precautionary Inspection
(All A/C)

Jun 14, 1985
DHC-7 7-24-45

Electrical Power - Lucas A.C. Generator AE2132 MK3 and MK4 - To Introduce Washer Between Tail End Bearing and Cupwasher (MK4) and to Introduce New Cupwasher (MK3) - Lucas Aerospace Modifications 5176 and 5170CG
(A/C with A.C. Generator AE2132 MK3 or MK4)

Jun 25, 1982
DHC-7 7-53-11

Fuselage Structure - Installation of Cleats - Special Inspection and Rectification
(A/C 7, 9 and 10)

Sep 26, 1980
DHC-7 7-25-51

Equipment/Furnishings - Installation of Placard and Cutting of Hole in Fairing to Aid in Rigging of Airstair Door Mechanism
- Modification 7/2483
(A/C 1 thru 107 less 15)

Aug 1, 1986
DHC-6 6/70

Landing Gear - Nose - Caution Label Introduction
Mod. 6/1112
(A/C 1 thru 80)

Dec 20, 1967
DHC-7 7-32-74

Landing Gear Selector Valve Restrictor - Special Inspection
(A/C 1 thru 107)

Jul 19, 1985
DHC-3 3/49

Equipment/Furnishings - Special Inspection and Rectification of Luggage Compartment Posts

Jul 19, 1991
DHC-7 7-32-9

Main Landing Gear - Replacement of Shock Strut Assembly Upper Bearing
- Modification 7/1574
(A/C 1 thru 7, 9 and 10)

May 18, 1979

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