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 1541 - 1560 of 1683

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-24-25

Airframe Deicing System - Distribution Valves Electrical Circuit Protection
- Modification 7/1879
(A/C 3 thru 30)

Oct 24, 1980 Feb 13, 1981 'A'
DHC-7 7-32-39

Nose Landing Gear - Shockstrut Assembly -  Replacement to Alleviate Shimmy
-  Modifications 7/2059 and 7/2088 (A/C 1 thru 86 for Modification 7/2059; 3 thru 66 for Modification 7/2088)

Oct 2, 1981 Jan 29, 1982 'B'
DHC-7 7-71-22

Power Plant - Relocation of Engine rain Line
- Modification 7/2411
(A/C 3 thru 105 less 104 and 106 with S.O.O. 7025)

Oct 5, 1985
DHC-7 7-21-20

Air Conditioning System - Gasper Fan Control Circuit Rework
- Modification 7/21 93
(A/C 40 thru 89 and 91 less Serial Numbers 41, 43 and 45, 46, 53 thru 57, 66, 76 and 77)

Aug 13, 1982
DHC-7 7-29-19

Hydraulic Power - Improved Tubing Installation
-  Modification 7/2475 (A/C 3 thru 110)

Feb 14, 1986
DHC-7 7-57-2

Fore Flap Leading Edge - To Reinforce
- Modification 7/1306
(A/C 4)

Dec 8, 1978
DHC-7 7-27-59

Flying Controls - Fore Flap Hinge Arms -  Introduction of Steel Bushings
-  Modification 7/2288
(A/C 3 thru 99)

Mar 23, 1984
DHC-7 7-52-30

Doors - Redesigned Airstair Door Handrail Handle
- Modifications 7/2227 and 7/2238
(A/C 3 thru 103)

Apr 15, 1983 Feb 21, 1986 'B'
DHC-7 7-25-52

Equipment/Furnishings - Underwing Bins -  Introduction of Dampers
-  Modification 7/2442
(A/C 3 thru 112)

Oct 10, 1986
DHC-7 7-34-8

Area Navigation System - Installation of DAC7001B R Nav. Computer
- Modification 7/1900
(A/C equipped with Area Navigation System)

Oct 17, 1980
DHC-7 7-24-41

Electrical System - Fuel Tank Transmitter Cable - Receptacle Replacement
- Modification 7/1999 (A/C 1 thru 92)

Mar 12, 1982
DHC-7 7-32-56

Landing Gear - Nosewheel Steering
-  Time Delay Relay Replacement
-  Modification 7/2309 (A/C 3 thru 113)

Apr 29, 1983 Mar 22, 1985 'A'
DHC-7 7-76-8

Engine Controls - Centre Console -  Replacement of Anchor Nuts on Cover with Studs
-  Modification 7/1525
(A/C 1 thru 10)

Sep 16, 1983
DHC-7 7-22-7

Auto Flight - Autopilot Systems -  Aileron Servo Improvement
-  Modification 7/2328
(A/C 1 thru 83, 85, 86, 89, 94 and 95)

Mar 25, 1983 Nov 25, 1983 'B'
DHC-7 7-30-16

Propeller Deicing System - No. 1 Single Cycle Timer Replaced with a Dual Cycle Timer
-  Modification 7/2281
(A/C 3 thru 86, 89, 91, 94 and 95)

Oct 14, 1983
DHC-7 7-57-19

Wings - Rear Mounting Adapter Plates -  Inspection, Rectification and Modification
-  Modification 7/2355 (A/C 1 thru 99)

Feb 24, 1984
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 7-53-11

Fuselage Structure - Installation of Cleats - Special Inspection and Rectification
(A/C 7, 9 and 10)

Sep 26, 1980
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 7-34-25

Navigation - Data Nav. 11 System Component Improvements
- Modification 7/2207
(A/C 1 thru 112 with S.O.O.
7076 Installation of Data Nav. 11 System)

Jun 17, 1983

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