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 101 - 120 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-21-4

Air Conditioning - Foot Warmer - To Improve Heat Supply to Flight Crew
- Modification 711528
(A/C 1 thru 12)

Jul 6, 1979
DHC-7 7-29-3

Hydraulic Pump Drive Shaft - Special Inspection
(A/C 1 thru 6 and 9)

Mar 16, 1979
DHC-7 7-55-3

Horizontal Stabilizer End Ribs - To Change Material of Lightening Hole Cover
- Modification 7/1481
(A/C 3 thru 7 and 9)

Feb 9, 1979 Dec 12, 1980 'B'
DHC-7 7-27-43

Flight Controls - Improved Second Stage Flap Dump Selector Valve
- Modification 7/2002
(A/C 1 thru 51)

Mar 12, 1982
DHC-7 NOTE:

Operators should be aware that Incorporation of this Modification Retrofit Kit 7MK1327 -003 also Necessitates the Installation of Modification 7/1704 - Baggage Door Stay Replacement - S/B 7-52-14

DHC-7 7-25-36

Furnishings - Emergency Locator Transmitter - Provision of Dual Frequencies
- Modification 7/1875
(A/C 1 thru 27 with Emergency Locator Transmitter)

Jan 15, 1982
DHC-7 7-33-16

Lights - Emergency Lights Power Supply Replacement
- Modification 7/2521
(A/C with Modification 7/1697)

Jan 16, 1987
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 7-32-55

Nose Landing Gear - Steering Actuator Manifold Rework
(A/C 1 and Sub. with Nose Landing Gear Steering Actuator Assembly 16700 Serial Number MC-006 thru 099)

Mar 31, 1983
DHC-7 7-76-7

Engine Controls - Elimination of Ground Idle Operation
- Modification 7/2091
(A/C 1 thru 83 and 86)

Dec 22, 1982 Jun 10, 1983 'A'

Pages