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 for DHC Aircraft

Manual Status List – DHC-2 to DHC-7

To obtain a subscription to a digital library, please contact ATP:

For more information on digital technical publications, please contact csps-tp@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 CSPS Technical Publications Coordinator at csps-tp@vikingair.com.

Displaying 1601 - 1620 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-27-47

Flight Controls - Gust Lock System -  Special Inspection and Gust Lock Detent Plunger Rework
-  Modifications 7/2198 and 7/2323
(A/C 3 thru 112)

Sep 24, 1982 Apr 29, 1983 'B'
DHC-7 7-27-82

Flight Controls - Elevator Trim - Rework of Pushrod Idler Levers
- Modification 7/2568
(A/C 1 and Sub.)

Apr 15, 1988
DHC-7 7-23-7

Communications - Improved to Cockpit Voice Recorder Tape Circuits
(All A/C with Sundstrand Voice Recorder Installed)

May 8, 1981
DHC-7 7-25-40

Furnishings - Flight Compartment Crew Seats - Cushion Replacement
- Modification 7/2079
(A/C 28 thru 72 incorporating SICMA Seats with 4 1/2 Inches Thick Seat Cushions)

Aug 13, 1982
DHC-7 7-34-40

Navigation - Installation of Structural Provisions for a Traffic Alert and Collision Assurance System (TCAS)
- Modification 7/2598
(A/C with Bendix/King, Collins or Honeywell TCAS Installations)

Jan 25, 1991
DHC-7 7-57-6

Wing - No. 4 Flap Track Link Attachment Bracket Barrel Nuts - Special Inspection and Rectification
- DHC E.O. 72139
(A/C 3 thru 42)

Apr 2, 1981 Aug 14, 1981 'B'
DHC-7 7-11-12

Avionics - Emergency Locator Transmitter Battery - Installation of Label
- Modification 7/1742
(A/C 1 thru 22)

Nov 7, 1980
DHC-7 7-32-87

Landing Gear - Main Landing Gear - Special Check of all Retraction Actuators Part Number 15400
(A/C 1 and Sub.)

Dec 4, 1987
DHC-7 7-52-34

Doors - Airstair Door - Locking Mechanism Monitoring Switch Relocation
- Modification 7/2513
(A/C 3 thru 107)

May 16, 1986
DHC-7 7-31-9

Indicating/Recording - Instruments
-  Flight Data Acquisition Unit
-  Modification of Power Supply Circuit Card No. 2 (Effectivity - See Teledyne S/B 2222601-31-25)

Jan 18, 1985
DHC-7 7-27-63

Flight Controls - Ground Spoiler Actuator Attachment Fitting - Inspection and Replacement
- Modification 7/2349
(A/C 1 thru 86, 89, 91, 94 and 95)

Sep 7, 1984 Sep 27, 1985 'B'
DHC-7 7-28-6

Fuel System Quantity Indication - To Replace Fuel Probe In No. 4 Outboard Wing Tanks
- Modification 7/1503 (A/C 1 thru 27)

Oct 30, 1980
DHC-7 7-23-23

Communications - Installation of a Standard VHF Antenna for Upper and Lower Locations
- Modification 7/2301
(A/C 3 thru 110 with S.O.O. 7002)

Feb 27, 1987
DHC-7 7-25-56

Equipment/Furnishings - Fireblocking Requirements for Aircraft Seat Cushions (A/C 1 thru 108)

Sep 11, 1987 Jan 20, 1989 'A'
DHC-7 7-49-1

Starter Generator Control - Additional and Revised Wiring
- Modification 7/2528
(A/C Serial Number 102 with S.O.O. 7054)

Dec 12, 1986
DHC-7 7-57-22

Wings - Vortex Generator Replacement
- Modification 7/2358
(A/C 1 thru 112)

May 11, 1984
DHC-7 7-11-28

Labels - Passenger Information Label Replacement

Aug 12, 1983
DHC-7 A7-32-103

Landing Gear - Special Inspection of Endcaps on Landing Gear Selector Valve (and Rectification)
- Modification 7/2742
All Serial Numbers

Sep 3, 1999
DHC-7 7-53-14

Airstair Door - Replacement of Pressure Stop Wear Plates
- Modification 7/1870
(A/C 1 thru 27)

Sep 26, 1980
DHC-7 A7-32-15

Main Landing Gear - Emergency Extension System - Special Inspection
(A/C 1 thru 15)

Nov 26, 1979

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