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 201 - 220 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-52-13

Ground Lock Stowage - Provision in Airstair Door
- Modification 7/1441
(A/C 3 thru 24)

Apr 11, 1980
DHC-7 7-33-14

Lights - Passenger Cabin Installation of Floor Proximity Emergency Escape Lighting
- Modification 7/2505
(A/C 1 and Sub.)

Sep 19, 1986 Apr 29, 1988 'C'
DHC-7 7-24-35

Electrical System - Variable Frequency A.C. Power - Special Inspection of Cable Assembly (A/C 1 thru 68)

Oct 2, 1981
DHC-7 7-27-20

Flap System - Power Control Unit Selector Quadrant - To Introduce Spring - Loaded brake Assembly
- Modifications 7/1548 and 7/1762
(A/C 1 thru 20: NOTE A/C 18, 19 and 20 only require the installation of Modification 7/1762)

May 23, 1980 Jan 20, 1984 'A'
DHC-7 7-61-18

Propellers - Installation of Metal Sheathing to Blades and Spinners
- Modification 7/2476
(All A/C with S.O.O. 7131)

Nov 15, 1985
DHC-7 7-21-30

Air Conditioning - Insulation - Removal of Black Insulation
All aircraft

Jul 6, 1994
DHC-7 7-25-13

Cooling Fans - Flight Compartment
- S.O.O. 7050
(A/C 1 and Sub.)

Nov 7, 1980
DHC-7 7-77-6

Oil - Oil Cooler Drain Valve Replacement
- Modification 7/2409
Serial Numbers 1 thru 112
CANCELLED

May 24, 1995 Jul 5, 1991 'A'
DHC-7 7-30-18

Ice and Rain Protection - Centre Fuselage Ice Guard Installation - S.O.O. 7161
(A/C 1 and Sub)

Dec 21, 1984 Dec 11, 1987 'C'
DHC-7 7-54-17

Nacelles - Inboard Nacelles - Main Landing Gear Door Mechanism Spigot Replacement
- Modification 7/2538
(A/C 3 thru 27)

Apr 17, 1987
DHC-7 7-27-78

Flight Controls - Introduction of Improved Ground Spoiler Selector Valve No. 1
- Modification 7/2484
(A/C 3 and Sub)

Mar 24, 1989
DHC-7 7-52-28

Cargo Door - Vent Door Indicating System
- Modification 7/1949
(A/C 7, 9 thru 12, 15, 20, 23 and 31)

Jan 15, 1982
DHC-7 7-34-6

R.N.A.V. System Digital Computer - IFR Procedure Restriction (A/C 14, 16 and 21 and Sub.)

May 23, 1980
DHC-7 7-24-51

Electrical Power - Aircraft Main Batteries Replacement
- Modification 7/2171
(A/C 3 thru 112 with Modification 7/1263 Electrical System - Installation of Batteries in Forward Avionics Bay)

Aug 19, 1983 Mar 22, 1985
DHC-7 7-27-36

Flight Controls - Control Column Forward Sealing Plate Assembly - Inspection and Rectification - DHC E.O. 72195
(A/C 3 thru 53, 55, 56, 57 and 59)

Nov 6, 1981
DHC-7 7-71-15

Power Plant - Torquemeter Cylinder - Pratt and Whitney S/B 4066
(All A/C with PT6A-50 Engines Prior to Serial Number PC-E86272)

Jun 18, 1982
DHC-7 7-22-16

Not issued

DHC-7 7-25-29

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

Nov 6, 1981
DHC-7 7-92-1

Cherrymax Rivets, Riveters and Pulling Heads - Conversion form Cherrylock Riveters

Oct 31, 1980
DHC-7 7-31-5

Flight Data Recorder System - Jumper Wire In Caution Lights System Control Box -  Special Inspection
(A/C 3 thru 53 with S.O.O. 7021 or 7110)

Oct 2, 1981

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