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 1581 - 1600 of 1684

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-32-77

Main Landing Gear - Main Wheel Assembly
- Gravel Guard 73230238-101 Main Wheel Interference

Mar 7, 1986
DHC-7 7-80-1

Starter Generators - To Revise Brush Spring Pressure Setting if Lucas Modification 5215B (S/B 24-649) has been Incorporated
(Effectivity - See Lucas Aerospace S/B 24-721)

Nov 28, 1980
DHC-7 7-23-8

Communications - Audio Integrating System - System Check and Rectification to Improve Crew Oxygen Mask Microphone Function
- Modification 7/2188 (All A/C)

Dec 10, 1981 Jun 18, 1982 'A'
DHC-7 7-31-8

Communications - Cockpit Voice Recorder
-  Rework to Prevent Loss of Input
- DHC E.O. 72256
(A/C 63 and 72)

Jun 25, 1982
DHC-7 7-57-40

WINGS - Modification to the Rear Spar Spoiler Synchro Wire Routing
(All Aircraft)

Jun 27, 2006 Sep 19, 2006 'A'
DHC-7 7-11-13

Furnishings - Buffet Wardrobe, Stowage and Waste Container Weight Limitation Labels
- Modification 7/1779
(A/C 1 thru 34)

Nov 14, 1980
DHC-7 7-28-5

Fuel System - Refuel Adapters Assembly Housing and Refuel Hose Shroud Replacement
- Modifications 7/1666, 7/1686 and 7/1723 (A/C 1 thru 28 - Modification 7/1666)
(A/C 1 thru 14 - Modification 7/1686)
(A/C 1 thru 23 - Modification 7/1723)

Aug 15, 1980 Apr 10, 1981 'A'
DHC-7 7-53-32

Fuselage - Replacement of Fasteners in Nose Landing Gear Drag Strut Attachment Fittings
- Modification 7/2572
(All A/C)

Mar 15, 1991
DHC-7 7-27-17

Flying Controls - Flap Transmission Shafting - Replaceable Steady Bearings
- Modification 7/1442
(A/C 1 thru 10)

May 9, 1980
DHC-7 7-35-4

Oxygen - Installation of Portable First Aid Oxygen Cylinder (625 Liters) in Aft End of Cabin
- S.O.O. 7172
(A/C 3 and Sub.)

Apr 25, 1986
DHC-7 7-25-10

Oxygen System - Insulation Blanket for Bottles
- Modification 7/1724
(A/C 1 thru 24)

May 30, 1980 Jan 23, 1981 'A'
DHC-7 A7-32-93

Landing Gear - Main Gear Upper Lock Strut - Special Inspection
(All Aircraft)

Jan 30, 1989
DHC-7 7-23-24

Communications - Flight Attendant's Emergency Mask Mic Installation Provisions - Modification 7/2581 (A/C 1 and Sub.)

Apr 7, 1989
DHC-7 7-32-13

Nose Landing Gear - To Provide for Door Closure with Gear Extended
- Modification 7/1343 (A/C 3, 9 and 10)

Mar 28, 1980 Sep 10, 1982 'A'
DHC-7 7-61-15

Propellers - Extension Dome Assembly
-  Increased Radius On Bellcrank Support
-  Hamilton Standard S/B 61-1031
(Effectivity - See Hamilton Standard S/B 61-1031)

Jun 25, 1982 Nov 16, 1984 'B'
DHC-7 7-11-29

Labels - Addition of "NO STEP" Label to Wing Leading Edge
- Modification 7/2351
(A/C 1 thru 103)

Jan 6, 1984
DHC-7 7-28-21

Fuel - Fuel Tank Drain Valve Replacement
- Modification 7/2594
(A/C 1 and Sub.)

Aug 17, 1990
DHC-7 7-54-14

Nacelles - Main Landing Gear Drag Strut Attachment - Special Inspection and Rectification or Replacement of Bearing Housing Retaining Bolts
- Modification 7/2262
(Inspection - A/C 1 thru 64 less 58) (Modification 7/2262 - A/C 1 thru 113)

Aug 12, 1983
DHC-7 7-27-33

Flight Controls - Rudder Pedal Adjustment Mechanism - To Introduce Anti-Rotation Washer
- Modification 7/1954
(A/C 1 thru 40)

Aug 21, 1981 Oct 2, 1981 'A'
DHC-7 7-52-5

Rear Baggage Door - To Replace Liner and Gas Spring Strut Dish Fairing
- Modification 7/1538
(A/C 1 thru 4, 6, 7, 9 and 10)

May 25, 1979

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