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

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
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 7-24-28

A.C. Generator Type AE2132MK3 - To Introduce Increased Length Drive Shaft (A/C with A.C. Generators AE2132 MK3)

Jan 23, 1981
DHC-7 7-32-42

Hydraulic System - Nose and Main Landing Gear Emergency Selector Valve - Inspection for Correct Orientation and Rectification
- Modification 7/1956 (A/C 3 thru 52)

Nov 27, 1981 Sep 24, 1982 'B'
DHC-7 7-73-1

Fuel Flow Transmitter - Special Inspection (A/C 3, 4, 7 and 9)

Dec 6, 1978 Aug 21, 1981 'A'
DHC-7 7-21-23

Air Conditioning - Introduction of Spring - Loaded Bleed Air Duct Retention Bolts
- Modification 712342

Mar 16, 1984
DHC-7 7-30-2

Deicing System Distributor Valves - To Replace Plunger and Pin Assembly
- Modification 7/1705
(A/C 1 thru 27) and all Spares

Oct 12, 1979
DHC-7 7-57-5

Main Landing Gear - Actuator to Wing
-  Retention Bracket Barrel Nuts
-  Special Inspection and Rectification
- DHC E.O. 72136
(A/C 3 thru 42)

Mar 31, 1981 Aug 14, 1981 'B'
DHC-7 7-27-62

Flight Controls - High Temperature Bonded Ground and Flight Spoilers
- Modifications 7/2356 and 7/2357
(A/C 1 thru 115)

May 31, 1985
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 7-25-55

NOT ISSUED

DHC-7 7-34-11

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

May 15, 1981
DHC-7 7-24-44

Electrical Power - Generator Control Units U13866, U13866/1, U13866/2, U13866/3 - Lucas Aerospace Modification 5063CG (A/C 1 and Sub.)

Jun 25, 1982
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 7-76-10

Engine Controls - Nacelle Firewall Cable Seal Replacement
- Modification 7/2362
(A/C 1 thru 103)

Aug 17, 1984
DHC-7 7-22-9

Auto Flight - Autopilot Annunciator and System Coupling Switch Installation
- Modification 7/2070
(A/C 3 thru 86 and 89, 91, 94 and 95)

Oct 21, 1983 Feb 28, 1986 'B'
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 7-57-21

Wings - Inboard Leading Edge Nose Lower Spar Cap Fastener Replacement
- Modification 7/2359
(A/C 1 thru 98)

Apr 19, 1984
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 7-53-13

Airstair Door - Rework to Lower Pressure Stops on Fuselage Frame
- Modification 7/1766
(A/C 1 thru 22)

Sep 26, 1980
DHC-7 7-26-10

Fire Protection - Introduction of Alternative Automatic Fire Extinguisher, above Waste Container in Lavatory
- Modification 7/2550
(A/C 1 thru 110)

May 22, 1987

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