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 101 - 120 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-3 V3/0001

Ignition - Replacement of Magneto Firewall Connector

Jun 7, 2027
DHC-6 6/332

Collins Autopilot - (Limited Distributionto Affected Operators by Telex Only)

Jul 4, 1975
DHC-7 7-52-11

Airstair Door - To Increase Clearance at Door Stop Spindles
- Modification 7/1554
(A/C 1 thru 4, 6, 7, 9 and 10)

Oct 5, 1979
DHC-7 7-25-32

Window Reveal Lighting - Addition of Aluminum Foil Tape to Panels
- Modification 7/2080
(A/C 4, 5, 6, 8, 13, 14, 16 thru 19, 21, 25 thru 30, 33, 36 thru 40, 42, 43, 44, 47, 48,49, 51, 52, 53, 56 thru 59)

Dec 4, 1981
DHC-7 7-33-12

Lights - Lower Anti-Collision Light Ground Wire Retermination
- Modification 7/1992
(A/C 1 thru 92)

Feb 25, 1983
DHC-2 V2/0007 ASB

Inspection and/or Replacement of MS21042 Locknut in Horizontal Stabilizer (P/N C2TP1A)

Apr 29, 2013
DHC-7 7-24-21

Avionics - V.H.F. Navigation System -  To Change Power Source for Excitation to Radio Magnetic Indicators
-  Modification 7/1678 (A/C 1 thru 19)

May 30, 1980
DHC-6 6/172

Co-pilot's Cockpit Entry Step and Handgrip
S.O.O. 6066
(A/C 1 and 510)

Dec 16, 1968
DHC-7 7-32-35

Wheel Bearing Tightening - Revised Instructions
- B.F. Goodrich S/B 392
(A/C 1 and Sub.)

Jul 9, 1982
DHC-7 7-21-16

Air Conditioning - Bleed Air Temperature Control Valve - Improved Mounting Installation
- Modification 7/1720 (A/C 1 thru 22)

Dec 4, 1981
DHC-6 6/92

Elevator Static Balance - Revised Limits and Conditions
(All A/C)

Feb 5, 1968
DHC-7 7-29-15

Hydraulic Power - Engine Driven Pump -  Configuration Change
-  Modification 7/2246
(A/C 3 thru 99)

Apr 29, 1983
DHC-6 6/428

Power Plant - To Introduce Second Stage Reduction Planet Gear Bearings Without Centre Groove and Shafts with Pressure Flat - to introduce P & WC
S/B 1258
(All A/C)

Apr 30, 1982
DHC-7 7-56-5

Windows - Flight Compartment Direct Vision Window - Improved Seal
- Modification 7/1962
(A/C 1 thru 102 less Serial Numbers 27, 49, 54, 62, 63 and 72)

Jun 4, 1982
DHC-6 6/12

Airstair Door - Positive Attachment of Restraining Cable to Aircraft
Mod. 6/1049
(A/C 7 thru 36)

Mar 16, 1967
DHC-7 7-52-26

Airstair Door - Forward Handrail - Addition of Rubbing Strip
- Modification 7/2089
(A/C 3 thru 35) (A/C 36 thru 92 will be Modified to DHC E.O. 74867)

Nov 6, 1981
DHC-3 3/893

Solenoid - Amphibious Floats Control Console - To Introduce Alternative.

Dec 3, 1962
DHC-7 7-25-48

Furnishings - Flight Attendant's Seat Restraint Harness Increased Length
- Modification 7/2267
(A/C 3 thru 107)

May 3, 1985
DHC-7 7-34-4

Ground Proximity Warning System
-  Addition of Flap Override Switch
-  Modification 7/1435
(A/C 4, 5, 6 and 10 with G.P.W.S. S.O.O. 7013)

Oct 5, 1979
DHC-2 TB/43

Transmittal Document for Modification Bulletin T2/2066 "Fuel System - Improved Filtration" (Refer to Mod. Bulletin for Data)

Jan 26, 1973

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