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 181 - 200 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-3 3/32

Main Pick Up Bolt Torque Loading - Special Inspection

Oct 21, 1977
DHC-7 7-27-16

Flying Controls - Flap Transmission Shaft Steady Bearing Retaining Strap
- Modification 7/1633
(A/C 1 thru 27)

Feb 15, 1980
DHC-7 7-32-92

Landing Gear - Main Gear Brake Assembly
-  Brake Lining Replacement
-  Modification 7/2582
(A/C with Brake Assemblies Part Numbers 2-1329 and 2-1329-1)

Mar 3, 1989
DHC-2 TB/4

Power Lever Extension

Jun 20, 1967
DHC-7 7-23-23

Communications - Installation of a Standard VHF Antenna for Upper and Lower Locations
- Modification 7/2301
(A/C 3 thru 110 with S.O.O. 7002)

Feb 27, 1987
DHC-7 7-32-12

Nose Landing Gear - Replacement of Shock Strut Assembly Upper Bearing
- Modification 7/1575
(A/C 1 thru 7, 9, 10 and 11)

Jun 8, 1979
DHC-6 6/485

Wings - Introduction of Additional Drain Holes
Mod. 6/1868
(All A/C)

Jul 4, 1986
DHC-7 7-61-14

Propellers - Blade Trailing Edge Repair
-  Hamilton Standard S/B 61-1038
(Effectivity - See Hamilton Standard S/B 61-1038)

Jun 25, 1982
DHC-7 7-11-28

Labels - Passenger Information Label Replacement

Aug 12, 1983
DHC-6 6/69

Trim Tab L.H. Elevator - Introduce Stiffened Tab
Mod. 6/1120
(A/C 1 thru 87)

Dec 8, 1967
DHC-7 7-28-20

Fuel - Pressure Relief and Dump Valve -  Installation of New Switch Assembly, Gaskets and Seals
-  Modification 7/2580
(A/C with Pressure Relief and Dump Valve Part Number 2800015-101 Installed)

Mar 10, 1989
DHC-6 6/405

Aileron Servo Tab Control - To Increase Clearance
Mod. 6/1773
(A/C 1 thru 739)

Jun 6, 1981
DHC-6 6/325

Pressure Altimeters - Replacement of Possible Defective Instruments
(A/C 385, 406, 410, 414, 415, 417, thru 425, 427 thru 434, 436 thru 443 and 447 Plus Spares)

Feb 21, 1975
DHC-7 7-52-4

Outer Nacelle Lower Access Door -  To Provide Water Drain Holes
-  Modification 5/1278
(A/C 1, 2 and 4)

May 19, 1978
DHC-2 2/40

Control Cables - Turnbuckle MS21251B - Precautionary Inspection

Jun 7, 1985
DHC-7 7-25-25

Furnishings - Cabin Draft Panel Assembly -  Improved Retention for Airstair Door Cable Attachment
-  Modification 7/2001 (A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-33-5

Electrical Panel Lights for Radio Navigation Control Display Units

Dec 7, 1979
DHC-6 V6/0038

Fuel System Tee P/N C6PFM1145-27 Inspection Replacement

Feb 28, 2013
DHC-2 TB/20

U.A.C.L. Special Instructions 68-1 PT6A-20 Engine Controls

Mar 13, 1968
DHC-7 7-24-14

Electrical System - To Provide Independent Control of Inner and Outer Landing Lights
- Modification 7/1335 (A/C 3 thru 27)

Jan 5, 1980

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