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. Title Original Issue Latest Issuesort descending
DHC-7 7-25-41

Life Raft - Cover Panels - Improved Retention
-  Modification 7/2194
(A/C 10, 20, 40 and 51 - these A/C incorporate S.O.O. 7045 -  Ditching Provisions and Survival Equipment)

Feb 11, 1983
DHC-6 6/261

Wing Tip Fuel Tank Filter
Mod. 6/1398
(A/C 1 thru 285)

Oct 30, 1970
DHC-7 7-33-21

Lights - Flight Compartment Utility Lighting Rheostat Switch Change
- Modification 7/2565
(All A/C)

Sep 2, 1988
DHC-6 V6/0051 ASB

DHC-6 Series 400 A/C Affected by Pratt & Whitney Canada (ASB) PT6A-72-A1742 Turboprop Engine Compressor Turnbine Blades - Inspection/Replacement  S/N 885 thru 896

Apr 17, 2014
DHC-2 TB/36

Transmittal Document for Modification Bulletin T2/2062 - "Range Markings - Propeller & Gas Generator Tachometer - To Recalibrate" (Refer to Mod. Bulletin for Data)

Feb 6, 1970
DHC-7 7-32-44

Main and Nose Landing Gear Wheel Assemblies - Improved Inboard Grease Seal DHC-7 Main Landing Gear Wheel Assembly 3-1354 Prior to Serial Number 691 and Nose Landing Gear Wheel Assembly 3-1368 Prior to Serial Number 440

Jan 15, 1982
DHC-6 6/517

Wings - Lower Skin and Leading Edge Rivets at Front Spar - Inspection and Replacement
Mods. 6/1645 and 6/1893
(All A/C)

Aug 10, 1993
DHC-6 6/102

Cabin R.H. Door - Safety Guard Installation -
Addition of Label
Mod. 6/1069
(A/C 1 thru 88)

Feb 21, 1968
DHC-7 7-57-8

Wing Structure - Trailing Flaps - Removal of Rubber Stops at Actuators
- Modification 7/1731
(A/C 1 thru 34)

Sep 18, 1981
DHC-6 6/22

Air Stair Door Lock Handle - Improved Type
Mod. 6/1047
(A/C 1 thru 41)

May 31, 1967
DHC-7 7-27-65

Flight Controls - Roll Spoiler Push Rod End Bearing Replacement
- Modification 7/2400
(A/C 1 thru 107)

May 17, 1985
DHC-6 6/358

A.C. Power System - Inspection for Correct Termination of Inverter Panel Wiring
(A/C 475 thru 523 Less S/N 476, 479, 499, 501, 503, 511, 512, 513, 515, 516, 520, 521 and 522)

Mar 31, 1977
DHC-7 7-52-36

Doors - Emergency Door Seal Air Supply Tubing - Change of Material
- Modification 7/2435
(A/C 3 and Sub.)

Jun 13, 1986
DHC-7 7-25-58

Equipment/Furnishings - Pilot's and Co-Pilot's Seat Installation
- Special Inspection of Seat Retaining bracket (A/C 3 and Sub. with SICMA Crew Seats)

Sep 2, 1988
DHC-6 6/278

Aircraft Operating Placard
S.O.O. 6125
(A/C 1 thru 230)

Jul 15, 1971
DHC-7 7-34-14

Navigation - Gyroscopic Horizons 700 and Variants and 705-7 and Variants
(A/C 1 and Sub.)

Aug 21, 1981
DHC-2T 2/51 ASB

Flight Controls - Special Inspection of Link Stop in Aileron Control Chain

Mar 15, 1996
DHC-2 TB/53

Front Float Fitting - Improved Corrosion Resistance - Modification Bulletin T2/2076

Dec 11, 1981
DHC-7 7-24-47

Electrical - Relocation of Resistor 3120-R2 on Relay Panel No. 4 - Modification 7/2016 (A/C 28 thru 41 - Modification 7/1452 (Digital Elapsed Time Clock)
(A/C 42 thru 92 - Modification 7/2016 by E.O. 74908 Prior to Delivery)

Aug 20, 1982
DHC-6 6/198

Electrical Power Supply - Blocking Diode
Mod. 6/1293
(A/C 1 thru 254)

Oct 22, 1969

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