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 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-10-1

Ground Support Equipment - Improved
Engine Intake and Exhaust Covers
- Modification 7/2013
(A/C 1 thru 72)

Feb 19, 1982
DHC-7 7-24-52

Electrical System - Wing Root Terminal Block Relocation
- Modification 7/2317 (A/C 3 thru 112)

Apr 6, 1984
DHC-7 7-29-1

Engine Driven Hydraulic Pump - Introduction of Improved Pump
- Modification 7/1244
(A/C 1 thru 12)

May 19, 1978 Jul 3, 1978 'A'
DHC-7 7-33-19

Lights - Passenger Cabin Aisle
-  Conversion to Fluorescent Lights
-  Modification 7/2444
(A/C 3 thru 112)

May 15, 1987 Jun 29, 1990 'A'
DHC-7 7-23-11

Communications - VHF Transceiver -  To Reduce Interference
-  Modifications 7/1840 and 7/1885
(A/C 1 thru 39 with S.O.O. 7002) (VHF Communication System)

Jan 15, 1982
DHC-7 7-27-6

Wing Ground Spoilers - To Inspect, Replace and/or Repair Hinge Arm
- Modification 7/1456
(A/C 1 thru 4, 7 and 9)

Sep 1, 1978 Jan 5, 1980 'B'
DHC-7 7-57-6

Wing - No. 4 Flap Track Link Attachment Bracket Barrel Nuts - Special Inspection and Rectification
- DHC E.O. 72139
(A/C 3 thru 42)

Apr 2, 1981 Aug 14, 1981 'B'
DHC-7 7-32-37

Nose and Main Landing Gear - Larger Diameter Tires Installation S.O.O. 7024 and 7085
(A/C 1 thru 78 without S.O.O. 7024)

Mar 20, 1981 Dec 11, 1981 'A'
DHC-7 7-11-16

Toilet Compartment - Addition of Call Button Label
- Modification 7/1884
(A/C 1 thru 29)

Mar 20, 1981
DHC-7 7-24-68

Electrical Power - Special Inspection and 02 Aug 91 Rectification of AC Generator Feeder Cables for
Chafing Inside AC Contactor Boxes All aircraft

Aug 2, 1991
DHC-7 7-76-1

Engines Controls - Microswitch Mounting Improvement for Flight Idle Gate Operating Mechanism
- Modification 7/1527
(A/C 1 thru 22)

Dec 21, 1979 Feb 25, 1980 'A'
DHC-7 7-52-34

Doors - Airstair Door - Locking Mechanism Monitoring Switch Relocation
- Modification 7/2513
(A/C 3 thru 107)

May 16, 1986
DHC-7 7-29-17

Hydraulic Power - Inboard Nacelle - Flap Radius Arm Hose Replacement
-  Modification 7/2365
(A/C 1 thru 112)

Jun 29, 1984
DHC-7 7-34-11

Navigation Omega System - To Omit Use of Station Trinidad
(A/C 1 thru 50)

May 15, 1981
DHC-7 7-32-58

Landing Gear - Installation of Protective Boots to Main and Nose Landing Gear Weight Switch Connectors (Superseded by Modifications 7/2417 and 7/2421)
- Modifications 7/2197 and 7/2316) (A/C 3 thru 102)

Sep 9, 1983
DHC-7 7-24-2

A.C. Generator - Introduction of Generator AE2132 MKII
- Modification 7/1342 (A/C 4)

May 5, 1978
DHC-7 7-27-22

Elevator Trim Handwheel - Improved Retaining Bolt
- Modification 7/1753
(A/C 1 thru 18)

Jun 20, 1980
DHC-7 7-57-22

Wings - Vortex Generator Replacement
- Modification 7/2358
(A/C 1 thru 112)

May 11, 1984
DHC-7 7-32-53

Main and Nose Landing Gear - Wheel Bearing Seal Replacement
(B.F. Goodrich Main Landing Gear Wheel Assemblies 3-1354 Prior to Serial Number 776 and Nose Landing Gear Wheel Assemblies 3-1368 Prior to Serial Number 523)

Feb 11, 1983
DHC-7 7-11-32

Placards and Markings - Caution Labels for Cargo Door
- Modification 7/2465
(A/C 7, 9 thru 12, 20, 23, 31, 63, 72, 75, 81, 86, 94, 100, 104, 105 and 106)

Sep 13, 1985

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