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 for DHC Aircraft

Manual Status List – DHC-2 to DHC-7

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact csps-tp@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 CSPS Technical Publications Coordinator at csps-tp@vikingair.com.

Displaying 101 - 120 of 1698

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-25-46

Equipment and Furnishings - Tail Strut Stowage Provisions
- S.O.O. 7160
(A/C 1 Sub.)

 Jun 29, 1984
DHC-7 7-57-7

Wing and Nacelle Structure - Barrel Nut Replacement
- DHC E.O. 72145
(A/C 28 thru 42 less 40)

 Apr 28, 1981
DHC-2 TB/8

Water Rudders - Float Configuration Aircraft

 Aug 15, 1967
DHC-7 7-52-35

Doors - Lower Airstair Door - Special Inspection, Rigging Check and Rectification of Door Locking Mechanism
(A/C 1 thru 112)

 May 16, 1986
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-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-6 6/382

Air-conditioning - Single V-Belt Drive System
Mod. 6/1684
(All A/C)

 May 18, 1979
DHC-7 7-24-28

A.C. Generator Type AE2132MK3 - To Introduce Increased Length Drive Shaft (A/C with A.C. Generators AE2132 MK3)

 Jan 23, 1981
DHC-6 6/44

Pitot/Static System - Rework to Prevent Water Ingress
Mod. 6/1065
(A/C 1 thru 59)

 Aug 22, 1967
DHC-6 6/97

Battery - 39 AMP/HR Heavy Duty - Introduction
S.O.O. 6018
(A/C 1 thru 135)

 Feb 1, 1968
DHC-2 2/44

Landing Gear - Main Gear Compression and Rebound Blocks - Replacement with Blocks made from Polyurethane - Modification No. 2/1539

 May 27, 1988
DHC-2T 2/55

Wing Strut Assembly Lower Attachment Fittings -Eddy Current Inspection

 Jun 23, 2006
DHC-7 7-21-23

Air Conditioning - Introduction of Spring - Loaded Bleed Air Duct Retention Bolts
- Modification 712342

 Mar 16, 1984
DHC-3 3/23

Transmittal Document - Modification Bulletin S.O.O. 3032 - Wing Tip Strobe Lighting

 Sep 24, 1976
DHC-7 7-26-1

Fire Protection System - Inspection of Fire Bottle Cartridge Connector
(A/C 1 thru 22)

 Apr 11, 1980
DHC-7 7-57-23

Wings - Reinforcement of Inboard Trailing Flap Fairing Attachment Areas
- Modification 7/2302
(A/C 3 thru 82)

 Jul 6, 1984
DHC-2 TB/24

Radio Cables on Single Throw-Over Control Column -
Inspection & Rectification for Fouling

 May 17, 1968
DHC-6 6/463

Fuel Multi Drum Ferry Fuel System - Precautionary Procedure in the Event of Reuse
(All A/C)

 Sep 14, 1984
DHC-7 7-34-20

RNAV System - Additional Relay Installation
- Modification 7/2185
(A/C 14, 16, 21, 25, 27, 36, 37, 38, 39, 42, 43, 52, 53, 56, 65, 71, 74, 76, 78 and 80)

 Apr 23, 1982
DHC-6 6/193

Inverters - To Provision for Replacement of Inverter Type PC15 with Inverter Type PC15A
S.O.O. 6024
(A/C 1 thru 230)

 Jul 10, 1969

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