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 1521 - 1540 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-24-54

Electrical Power - AC Generator Control Unit Type AE7065MK2
- Lucas Aerospace Modifications 5095CG and 5177CG
(A/C 1 and Sub. with AE7065MK2 AC Generator Control Unit)

Feb 17, 1984 Dec 5, 1986
DHC-7 7-32-82

Landing Gear - Welded Assemblies for Main Landing Gear Door Mechanism Mounting Bracket
- Modification 7/2512 (A/C 1 and Sub.)

Oct 17, 1986 Dec 12, 1986 'A'
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 7-27-76

Flight Controls - Elevator Trim Jack -  To Introduce a Water Drain Hole
-  Modification 7/2489
(A/C 3 and Sub.)

Jan 17, 1986 Jan 30, 1987 'B'
DHC-7 7-24-58

Electrical Power - Replacement A.C. Generator
- Modification 7/2097
(A/C 1 thru 107)

Jun 15, 1984 Feb 20, 1987
DHC-7 7-57-25

Wings - Upper Skin Structure - Special Inspection and Installation of Heat Shields
- Modification 7/2414
(A/C 1 and Sub.)

Aug 30, 1985 Feb 20, 1987 'D'
DHC-7 7-26-8

Fire Protection - Lavatory - Introduction of Smoke Detector
- Modification 7/2497
(A/C 1 and Sub.)

Aug 15, 1986 Mar 20, 1987 'C'
DHC-7 7-27-52

Flight Controls - Replacement of Trailing Flap Potentiometer with Fixed Resistors
- Modification 7/2093
(A/C 3 thru 89 and 91)

Apr 15, 1983 Mar 20, 1987 'B'
DHC-3 3/43

Flight Controls - Elevator and Rudder Pushrod Attachment Bolts - Inspection and Replacement Modification 3/933

Jan 18, 1985 Mar 27, 1987 'A'
DHC-7 7-27-69

Wings - Flight and Ground Spoiler Hinge Assembly Bushing Installation
- Modification 7/2260
(A/C 1 thru 112)

Mar 22, 1985 Apr 3, 1987 'A'
DHC-7 7-26-7

Fire Protection - Introduction of Automatic Fire Extinguisher Above Waste Container in Lavatory
- Modification 7/2498
(A/C 1 thru 110)

Aug 1, 1986 Apr 3, 1987 'A'
DHC-7 7-32-63

Nose Landing Gear - Steering Actuator Anti-Rotation - Revised Arrangement
- Modification 7/2338
(A/C Serial Numbers 1 thru 86, 89, 91, 94 and 95)

Jan 20, 1984 Apr 3, 1987 'C'
DHC-7 7-32-80

Landing Gear - Replacement of Restrictors/ Fittings in Selector Valve and In Emergency Extension Valve
- Modification 7/2495
(A/C 3 thru 116)

May 16, 1986 Apr 3, 1987 'B'
DHC-6 6/447

Equipment/Furnishings - Utility Seat - Special Inspection and Forward Leg Positive Lock Installation
Mod. 6/1828
(All A/C with Side Folding Cabin Utility Seats)

Oct 14, 1983 Apr 17, 1987 'D'
DHC-7 7-52-33

Doors - Airstair Door Overcentre Spring Retention Spacers Rework
- Modification 7/2392
(A/C 1 thru 112)

Jun 29, 1984 Apr 17, 1987 'A'
DHC-7 7-57-30

Wings - Flap Track No. 4 Canoes
-  Installation of Fuel Drain
-  Modification 7/2536
(A/C Serial Number 3 and Sub.)

Mar 6, 1987 May 8, 1987 'A'
DHC-7 7-28-18

Fuel System - Wing Underside Flap Track Number 4 Canoe Special Inspection and Application of Fuel Containment Coating
- Modification 7/2518 (A/C 1 and Sub.)

May 16, 1986 May 8, 1987 'C'
DHC-7 7-24-65

Electrical Power - Special Inspection and Rectification of Circuit breakers
(A/C Serial Number 102 and all other A/C serial numbers that have had Suspect Circuit breakers Installed during In-Service Maintenance or Modification)

Jan 23, 1987 May 8, 1987 'C'
DHC-7 7-11-35

Placard and Markings - Additional External Markings at break-In Points
- S.O.O. 7103
(A/C 3 and Sub.)

Sep 15, 1985 Jul 31, 1987 'A'
DHC-7 7-25-49

Equipment/Furnishings - Rear Baggage Compartment - Installation of Ceiling Firescreen
- Modification 7/2499
(A/C 1 and Sub.)

Apr 18, 1986 Jul 31, 1987 'B'

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