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 61 - 80 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-23-10

Communications - Headset Cable Holder Installation
- Modification 7/1939
(A/C 1 thru 59 with SICMA Crew Seats)

Jan 8, 1982 May 7, 1982 'A'
DHC-7 7-31-10

Indicating and Recording - Flight Data Recorder - Rework Caution Light Circuit
- Modification 7/2523
(A/C 3 and Sub.)

Mar 20, 1987 Dec 1, 1989 'B'
DHC-7 7-61-1

Propeller Autofeather System - To Reduce Arming Pressure Switch Level
- Modification 7/1240
(A/C 1, 2 and 4)

Feb 17, 1978 Jun 16, 1978 'B'
DHC-7 7-11-15

Labels - Nose Landing Gear Main Doors
- Modification 7/1904
(A/C 3 thru 39)

Dec 12, 1980
DHC-7 7-28-7

Fuel System - Recalibration of Magna Stick Fuel Contents Indicators
- Modification 7/1790
(A/C 1 thru 52)

Mar 13, 1981 Oct 2, 1981 'A'
DHC-7 7-53-34

Fuselage - Special Inspection and Rectification for Cleat and Fittings (Cargo A/C Only)
(A/C 7, 9 thru 12, 20, 21, 23, 31, 63, 72, 75, 81, 86, 94, 100 and 104 thru 106)

Apr 6, 1990
DHC-7 7-27-19

Aileron Tab Hinge Fitting Clearance - Special Inspection and Rework
- E.O. 74301
(A/C 1 thru 7, 9 and 10)

Apr 11, 1980
DHC-7 7-36-1

Pneumatic System - Aft Emergency Door - To Improve Air Supply to Door Seal
- Modification 7/1323
(A/C 3, 4, 5, 6, 7, and 9)

Jul 13, 1979 Jan 5, 1980 'A'
DHC-7 7-25-12

Furnishings Cargo Door Sidewall -  To Improve Weather Protection
-  Modification 7/1637
(A/C 7, 9, 10, 11, 12, 15, 20 and 23)

Sep 5, 1980
DHC-7 7-32-95

Landing Gear - Nose Landing Gear Steering
-  Reduction of Actuator Creep
-  Modification 7/2608
Serial Numbers 3 thru 113

Jul 31, 1992
DHC-7 7-24-1

A.C. Generator -- Introduction of Upgraded Generator AE2132 MK1
(A/C 4)

May 5, 1978
DHC-7 A7-32-15

Main Landing Gear - Emergency Extension System - Special Inspection
(A/C 1 thru 15)

Nov 26, 1979
DHC-7 7-61-17

Propellers - Installation of Metal Sheathing to Blades and Spinners
- Modification 7/2440
(A/C 1 thru 107, less 54, 62 and 66)

Nov 15, 1985
DHC-7 7-11-31

Placards and Markings - Additional Current Limiting Labels
- Modification 7/2455
(A/C 3 thru 102)

Sep 13, 1985
DHC-7 7-28-23

Fuel - Left and Right Hand Tanks - Special Inspection for Bonding Integrity and Condition of the Bonding Jumpers, Conduit, Probes and Related Components
- Modification 7/1397 (A/C 3 thru 113)

Aug 20, 2002
DHC-7 7-54-16

Inboard Nacelles - Improved Fairing Door Cable Installation
- Modification 7/2454
(A/C 003 thru 132)

Jan 17, 1986
DHC-7 7-27-35

Flying Controls - Flap System Duplicate Drive - To Introduce Double Universal Joint at Angle Gearbox
- Modification 7/1744 (A/C 1 thru 52)

Oct 23, 1981
DHC-7 7-52-7

Cargo Door Actuator - Replacement of Actuator Housing
- Modification 7/1594
(A/C 7, 9 thru 12 and 15)

Sep 28, 1979 Mar 17, 1980 'B'
DHC-7 7-52-8

Rear Emergency Door - Installation of Restraining Bracket and Guard Assembly
- Modification 7/1316
(A/C 1 thru 4 and 7)

Oct 25, 1979 Dec 12, 1980 'A'
DHC-7 7-25-29

Furnishings - Toilet Door Lock Mechanism Rework
- Modification 7/2063
(A/C 3 thru 52 less 51)

Nov 6, 1981

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