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 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-6 6/493

Electrical Power - Special Inspection and Rectification of Circuit Breakers
(A/C 831; all other A/C may have Suspect Circuit Breakers Installed During In-Service Maintenance or Modification)

Jan 16, 1987 Oct 23, 1987 'C'
DHC-6 6/77

De-Icing System - Provision of Drainage for Condensate
Mod. 6/1154
(A/C 1 thru 94)

Jan 10, 1968
DHC-6 6/413

Rudder Gustlock Control - Adjustable Plunger Clearance to Rudder Quadrant
Mod. 6/1755
(A/C 271 thru 771 Incorporating Mod. 6/1235)
(Redesigned Rudder Control Gust Lock Mechanism)

Apr 12, 1982
DHC-6 6/333

Autofeather System Pressure Switch
Mod. 6/1503
(A/C 291 thru 470)

Jul 4, 1975
DHC-6 6/253

Nose Gear Hydraulic Line Covers
Mod. 6/1368
(A/C 1 thru 330)

Nov 9, 1971
DHC-6 6/173

Main Undercarriage - Stay Assembly Replacement
(A/C 1 thru 5)
(Date on S/B incorrectly shown as 02 Jan 68)

Jan 2, 1969
DHC-6 6/509

Nacelles - Longeron - Special Inspection
(All A/C)

Feb 23, 1990
DHC-6 6/93

Aileron Static Balance - Data Revision in Repair and Overhaul Manual - (This S/B Incorporated in R. and O.M. 01 February, 1968)
(All A/C)

Feb 20, 1968
DHC-6 6/429

Power Plant - Second Stage Reduction Planet Pins Incorporating Oil Separators - To Introduce P & WC S/B 1263
(All A/C)

Apr 12, 1982
DHC-6 6/13

Generator Load Limitation - Placard
Mod. 6/1019
(A/C 1 thru 12)

Apr 6, 1967
DHC-6 6/349

Collins Radio Magnetic Indicator - Inspection and Modification
(Various A/C 344 thru 476. See S/B for Effectivity)

Jun 18, 1976
DHC-6 6/269

Improved Sump Plate Flapper Valve Seal
Mod. 6/1406
(A/C 1 thru 299)

Feb 19, 1971 Mar 11, 1983 'A'
DHC-6 6/189

Right-Hand Cabin Door Handle Guard
Mod. 6/1232
(A/C 1 thru 230)

Jun 19, 1969
DHC-6 6/525

Wings - Initial Inspection of Wing Assemblies Using Ultrasonic Technique
A/C 001 thru 107 and later aircraft with wing box C6W1002-1, or C6W1002-3 or C6W1002-5 or C6W1002-7 retrofitted.

This service bulletin does not apply to: A/C with Mod 6/1117 incorporated. A/C with Mod 6/1630 incorporated A/C 2

Sep 6, 1996 Dec 20, 1996 'A'
DHC-6 6/109

Brake Control Lever - Fouling on Support Brackets - Rectification
(A/C 1 thru 83)

Feb 22, 1968 Mar 6, 1968 'A'
DHC-6 6/445

Main Landing Gear Wheels - Wheel Bearing Bore Datum Reference and Tolerance and Checking of Wheel Fasteners Tie Bolts and Nuts
(All A/C)

Aug 12, 1983
DHC-6 6/29

Engine Lower Cowl - Snow Separator Air Control Valve Filters
Mod. 6/1056
(A/C 1 thru 55)

Jun 6, 1967
DHC-6 6/365

Left-Hand Forward Cargo Door Replacement
Mod. 6/1634
(A/C 1 thru 302)

Oct 28, 1977
DHC-6 6/285

Power Lever Console - Special Inspection and Rectification
(A/C 1 thru 330)

Nov 8, 1971 Nov 26, 1971 'A'
DHC-6 6/205

Cabin Right-Hand Door - To Improve Door Latch Mechanism Engagement
Mod. 6/1269
(A/C 171 thru 290)

Jan 30, 1970

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