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 161 - 180 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-55-1

Vertical Stabilizer - Upper Strobe Light Mounting Rework
- Modification 7/1280
(A/C 1 thru 7)

Jun 2, 1978
DHC-7 7-27-41

Flight Controls - Ground Spoiler Selector Solenoid Valve Replacement
- Modification 7/1732
(A/C 1 thru 73)

Jun 18, 1982 Feb 4, 1983 'A'
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 7-25-34

Furnishings - Baggage Compartment Protective Bulkhead - Improved Latches
- Modification 7/1851 (A/C 1 thru 72)

Feb 19, 1982
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 7-24-23

Engine Fire Protection - To Introduce Electrical Short Discrimination
- Modification 7/1302
(A/C 3 thru 23)

Sep 19, 1980
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 7-71-20

Power Plant - Exhaust Case Drain -  Special Inspection and Rectification
-  Modification 7/2394
(A/C 1 and Sub.)

Jan 26, 1984 Mar 17, 1995 'D'
DHC-7 7-21-18

Air Conditioning System - Addition of Check Valve In Ground Air Supply
- Modification7/2161
(A/C 40, 42, 44, 47, 48, 49, 51, 52, 58, 59, 60, 61, 63, 64 and 65)

Jun 18, 1982
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 7-56-7

Windows - Flight Compartment
Direct Vision Window - Improved Roller Installation in Window Track
- Modification 7/2613 All Aircraft

Oct 29, 1992 Jun 23, 1995 'A'
DHC-7 7-27-57

Flaps Primary Drive Torque Tubes Replacement
- Modification 7/1994 (A/C 1 thru 88)

Sep 23, 1983
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 7-25-50

Equipment/Furnishings - Introduction of Crew Life Preservers TUL 6174-3
- Modification 7/2464
(A/C 1 thru 112)

Aug 1, 1986 Jan 30, 1987 'A'
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 7-24-39

Electrical Power - D.C. Busbar Protection Unit ZA29702 - Lucas Aerospace Modification 5064CG (A/C 1 and Sub.)

Nov 13, 1981
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 7-76-5

Engine Control Cables - Seal Plate Special Inspection and Rectification
- Special Inspection
(A/C 3 thru 65)

Oct 23, 1981
DHC-7 7-22-4

Auto Flight - Rework to AFCS Relay Box
- Modification 7/1920
(A/C 28 thru 34)

Jan 15, 1982
DHC-7 7-30-13

Propeller Deicing System - No. 1 and No. 2 Single Cycle Timer Replaced with Dual Cycle Timers
- Modification 7/2339
(A/C 3 thru 112)

Aug 10, 1984 Feb 7, 1986 'B'

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