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 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-61-9

Propellers - Analytical and Major Inspection
-  Hamilton Standard S/B 61-1022
(Effectivity - See Hamilton Standard S/B 61-1022)

Oct 9, 1981 Nov 15, 1985 'B'
DHC-7 7-11-23

Labels - To Identify Rear Emergency and Baggage Doors
- Modification 7/2180 (A/C 3 thru 73)

Sep 24, 1982
DHC-7 7-28-15

Fuel - Fuel System Shut-Off Valve Replacement
- Modification 7/1880
(A/C 1 thru 132)

Jun 8, 1984
DHC-7 7-54-8

Outer Nacelles Access Panel Structure Surrounds - To Replace Existing Rubber Seals with Teflon Strips
- Modification 7/1377
(A/C 1 thru 12)

Oct 19, 1979
DHC-7 7-27-27

Flight Controls - Control Pulley Cable Guard - Special Inspection
(A/C 1 thru 31)

Dec 12, 1980 Oct 2, 1981 'A'
DHC-7 7-49-1

Starter Generator Control - Additional and Revised Wiring
- Modification 7/2528
(A/C Serial Number 102 with S.O.O. 7054)

Dec 12, 1986
DHC-7 7-25-20

Cargo Divider Bulkhead - Addition of Smoke Seal
- Modification 7/1675 (A/C 9, 10, 12, 20 and 23)

Feb 13, 1981
DHC-7 A7-32-103

Landing Gear - Special Inspection of Endcaps on Landing Gear Selector Valve (and Rectification)
- Modification 7/2742
All Serial Numbers

Sep 3, 1999
DHC-7 7-24-9

A.C. System 400 Hz Inverters - Non-Indication of Inverter Failure
(A/C 1 and Sub.)

Aug 13, 1979 May 20, 1980 'E'
DHC-7 7-32-23

Nosewheel Steering Actuator - Replacement
- Modification's 7/1695 and/or 7/1778
(A/C 1 thru 18 for Modification 7/1695)
(A/C 1 thru 20 and 22 for Modification 7/1778)

Apr 11, 1980 Jun 9, 1980 'A'
DHC-7 7-71-6

Power Plant - To Reroute Engine Accessories Seal Drains
- Modification 7/135
(A/C 3 thru 12)

Aug 14, 1981 Nov 20, 1981 'A'
DHC-7 7-21-4

Air Conditioning - Foot Warmer - To Improve Heat Supply to Flight Crew
- Modification 711528
(A/C 1 thru 12)

Jul 6, 1979
DHC-7 7-29-3

Hydraulic Pump Drive Shaft - Special Inspection
(A/C 1 thru 6 and 9)

Mar 16, 1979
DHC-7 7-55-3

Horizontal Stabilizer End Ribs - To Change Material of Lightening Hole Cover
- Modification 7/1481
(A/C 3 thru 7 and 9)

Feb 9, 1979 Dec 12, 1980 'B'
DHC-7 7-27-43

Flight Controls - Improved Second Stage Flap Dump Selector Valve
- Modification 7/2002
(A/C 1 thru 51)

Mar 12, 1982
DHC-7 NOTE:

Operators should be aware that Incorporation of this Modification Retrofit Kit 7MK1327 -003 also Necessitates the Installation of Modification 7/1704 - Baggage Door Stay Replacement - S/B 7-52-14

DHC-7 7-25-36

Furnishings - Emergency Locator Transmitter - Provision of Dual Frequencies
- Modification 7/1875
(A/C 1 thru 27 with Emergency Locator Transmitter)

Jan 15, 1982
DHC-7 7-33-16

Lights - Emergency Lights Power Supply Replacement
- Modification 7/2521
(A/C with Modification 7/1697)

Jan 16, 1987
DHC-7 7-24-25

Airframe Deicing System - Distribution Valves Electrical Circuit Protection
- Modification 7/1879
(A/C 3 thru 30)

Oct 24, 1980 Feb 13, 1981 'A'
DHC-7 7-32-39

Nose Landing Gear - Shockstrut Assembly -  Replacement to Alleviate Shimmy
-  Modifications 7/2059 and 7/2088 (A/C 1 thru 86 for Modification 7/2059; 3 thru 66 for Modification 7/2088)

Oct 2, 1981 Jan 29, 1982 'B'

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