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

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-6 6/396

Fuel System - Introduction of Improved Engine/Fuel Pump Coupling - Pratt and Whitney Bulletin 1316 (A/C 1 thru 679)

Aug 22, 1980
DHC-6 6/316

Waste Fuel Collector Tank - Installation
S.O.O. 6153
(All A/C)
(Superseded by DeVore Installation)

Dec 9, 1974 Mar 11, 1977 'B'
DHC-6 6/236

Propeller Auto Feather System - Addition of Pressure Switch
Mod. 6/1329
(A/C 231 thru 277)

Mar 13, 1970 Apr 30, 1970 'A'
DHC-6 V6/0029

NOT ISSUED

DHC-6 6/156

Landing Gear - Introduction of an Intermediate Floatation - 15.00 x 12 Tyres S.O.O. 6048
(All A/C)

Jul 9, 1968 Mar 17, 1976 'A'
DHC-6 6/492

Wings - Special Inspection of Main Spar Lower Cap Angles
(A/C with 10 Yrs. from Date of Manufacture or A/C with Mod. 6/1630 Incorporated and have 10 Yrs. from Date of Manufacture on the New Wing(s)) or (A/C that have Replaced the Wing(s) with Used Wing(s) and have a Combination of 10 Years from Date of Manufacture Between the Accumulated Years of Service/Flight Hours on the Used Wing(s) at Installation and the Years of Service/Flight Hours which have Elapsed Since the Installation)

Dec 12, 1986 Nov 14, 1997 'B'
DHC-6 6/76

Engine Fuel Heater - Introduction
S.O.O. 6020
(A/C 1 thru 230)

Jan 2, 1968
DHC-6 6/412

Instruments - Wiring Harness Adapter for Directional Gyro AIM 200 ED-2
Mod. 6/1750
(A/C 1 thru 726 Less 685, 695, 698, 699, 701, 702, 706, 712, 722)

Jan 15, 1982 Mar 20, 1982 'A'
DHC-6 6/332

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

Jul 4, 1975
DHC-6 6/252

Rear Baggage Compartment
S.O.O. 6143
(A/C 1 thru 550 with Utility Interiors)

May 7, 1971 Apr 18, 1975 'B'
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-6 6/508

Parking and Mooring - Gust Lock Assembly
Mods. 6/1676 and 6/1726 (This S.B.Supersedes S.B. Nos. 6/383 and 6/391)
(A/C 1 thru 696 Less 691 and 694)

Dec 15, 1989 Jan 31, 1990 'C'
DHC-6 6/92

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

Feb 5, 1968
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-6 6/12

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

Mar 16, 1967
DHC-6 6/348

Support Assembly - Elevator Bellcrank and Hand Pump Mounting - Special Inspection for Cracking and Reinforcing
Mod. 6/1594
(A/C 2 thru 494 and 497 thru 503, 505 and 507)

Jul 16, 1976 Dec 20, 1991 'D'
DHC-6 6/268

Wing Assembly Fatigue Life Extension
Mod. 6/1318
(A/C Post-Mod. 6/1117)

Sep 21, 1971 Jul 16, 2004 'F'
DHC-6 6/188

Deicer Distributor Valves - Improved Internal Components (Bendix Bulletin 91)
(Valves Prior to S/N 34,416U)

May 30, 1969
DHC-6 6/524

Wings - Bottom Skin - Installation of New Fasteners
- Mod 6/1896
(A/C 1 thru 812, 814, 815, 816, 819 and 820 with Mod 6/1752 installed)

Aug 25, 1995 Feb 7, 1997 'A'
DHC-6 6/108

Artificial Horizon and Directional Gyro Indicator - Improve Scale
(All A/C)

Feb 29, 1968

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