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 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-34-27

Area Navigation System - Improvement to Flight Path When Using Vertical Navigation Mode
- Modification 7/1977
(A/C 3 thru 36 with S.O.O. 7016)

Aug 12, 1983 Jan 20, 1984 'A'
DHC-7 7-24-60

Electrical Power - A.C. System 400 Hz
-  Replacement of Paralleling Control Box
-  Modification 7/2459 (A/C 1 thru 107)

Nov 29, 1985
DHC-7 7-32-74

Landing Gear Selector Valve Restrictor - Special Inspection
(A/C 1 thru 107)

Jul 19, 1985
DHC-7 7-79-4

Oil Cooler Drain Valve Installation
-  Modification 7/1536 (A/C 3 thru 23)

Oct 16, 1981
DHC-7 7-23-5

Cockpit Voice Recorder - Self-Test Mod. (A/C 1 and Sub. as required)

Jun 6, 1980
DHC-7 7-31-5

Flight Data Recorder System - Jumper Wire In Caution Lights System Control Box -  Special Inspection
(A/C 3 thru 53 with S.O.O. 7021 or 7110)

Oct 2, 1981
DHC-7 7-57-37

Wings - Special Inspection and Replacement of Wing/Fuselage Attachment Joint Bolts
(All DHC-7 Aircraft)

Aug 8, 1997 Aug 27, 1999 'B'
DHC-7 7-11-10

Powerplant - Snow Separator - Visual Position Indicator
- Modification 7/1529
(A/C 1 thru 16)

Mar 7, 1980 Apr 18, 1980 'A'
DHC-7 7-28-2

Fuel System - Auxiliary Pump Lightning Protection - Special Inspection and Rectification
(A/C 3 thru 8)

Oct 19, 1979
DHC-7 7-53-29

Fuselage - Installation of Automatic Bilge Drain Valves
- Modification 7/2416
(A/C 1 and Sub.)

Jan 24, 1986
DHC-7 7-27-14

Flying Controls - Fore Flap Actuator Assemblies - To Improve Low Temperature Performance
- Modifications 7/1642, 7/1643 and 7/1644 (A/C 1 thru 17)

Nov 30, 1979
DHC-7 7-35-1

Portable Passenger Oxygen Cylinders - To Introduce a Brass Plug in Lieu of Nylon Plug at Filler Cap
- E.O. 70837
(A/C 3, 4, 6, 7, 9 and 10)

Jul 6, 1979
DHC-7 7-25-7

Furnishings - To Install Nosing On Flight Compartment Steps
- Modification 7/1466
(A/C 3, 4, 7 and 9)

Sep 28, 1979
DHC-7 7-25-8

Sun Visors - Replacement
- Modification 7/1468
(A/C 3 thru 12)

Dec 21, 1979
DHC-7 7-32-91

Landing Gear - Main Gear Shock Strut Assembly - Introduction of Improved Scraper and Lower Bearing
(A/C with Main Gear Shock Strut Assemblies Part Number 15100-15, Serial Numbers 8 thru 256)

Oct 28, 1988
DHC-7 7-23-22

Communications - Flight Crew/Attendant Emergency Call Switch Replacement
- Modification 7/2492 (A/C 3 thru 123)

Oct 17, 1986
DHC-7 7-32-11

Nose Landing Gear - Inspection for Correct Shock Strut Trunnion Arm Gap and Rectification - Special Inspection
(A/C 1 thru 7, 9 and 10)

Jun 8, 1979 Nov 16, 1979 'A'
DHC-7 7-61-13

Propellers - Extension Dome and Propeller Assembly - Inspection and Reidentification
-  Hamilton Standard S/B 61-1032
(Effectivity - See Hamilton Standard S/B 61-1032)

Mar 26, 1982
DHC-7 7-11-27

Placards and Markings - Addition of Toilet Label
- Modification 7/2332
(A/C 1 thru 86, 89 and 91)

Jun 17, 1983 Aug 17, 1984 'A'
DHC-7 7-28-19

Fuel - Transfer Caution Light - Change of Activation Source
- Modification 7/2493
(A/C 1 and Sub.)

Sep 26, 1986

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