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 141 - 160 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort ascending
DHC-7 7-27-64

Flight Controls - Rudder Restrictor Sprocket Mechanism Replacement
- Modification 7/2387
(A/C 1 thru 112)

Sep 14, 1984 Oct 2, 1987 'B'
DHC-3 3/42

Equipment/Furnishings - Utility Seats Special Inspection and Forward Leg Positive Lock Installation - Modification 3/932

Aug 31, 1984 Sep 18, 1987 'A'
DHC-7 7-32-48

Main Landing Gear - Undercarriage Emergency Release Bracket
- Modification 7/1832
(A/C 1 thru 72)

Oct 1, 1982 Jul 31, 1987 'B'
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'
DHC-7 7-27-77

Flight Controls - Rudder Trim Control -  Audible Warning
-  Modification 7/2500
(A/C 1 thru 112)

Jun 27, 1986 Jul 31, 1987 'B'
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 7-57-30

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-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 7-32-63

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-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-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 7-27-52

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-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 7-57-25

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 7-24-58

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

Jun 15, 1984 Feb 20, 1987

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