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 41 - 60 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-32-4

Nose Landing Gear - To Add Protective Cover to Weight Switches
- Modification 7/1309
(A/C 1, 2 and 4)

Nov 22, 1978
DHC-7 7-57-32

Wings - Rear Spar Fittings - Rework Aileron Cable Pulley Bracket
- Modification 7/2564 (A/C 3 and Sub.)

Apr 15, 1988
DHC-7 7-28-12

Fuel System - Deletion of Refuel/Defuel Vent Line
- Modification 7/2186
(A/C 1 and Sub.)

Dec 10, 1982
DHC-7 7-53-24

Fuselage - Wing To Fuselage Fairing -  Improved Drainage Provisions
-  Modification 7/2305
A/C 1 thru 112)

Sep 16, 1983
DHC-7 7-76-4

Engine Controls - Flight Idle Gate Motor Replacement
- Modification 7/1399
(A/C 1 thru 14)

Nov 28, 1980
DHC-7 7-34-32

Navigation - Radio Altimeter System
- Modification to Improve Reliability and Operation
- Sperry S/B 7001840-34-36
(A/C with Sperry RT-300 Radio Altimeter)

Aug 2, 1985
DHC-7 7-27-36

Flight Controls - Control Column Forward Sealing Plate Assembly - Inspection and Rectification - DHC E.O. 72195
(A/C 3 thru 53, 55, 56, 57 and 59)

Nov 6, 1981
DHC-7 7-24-39

Electrical Power - D.C. Busbar Protection Unit ZA29702 - Lucas Aerospace Modification 5064CG (A/C 1 and Sub.)

Nov 13, 1981
DHC-7 7-32-79

NOT ISSUED

DHC-7 7-25-29

Furnishings - Toilet Door Lock Mechanism Rework
- Modification 7/2063
(A/C 3 thru 52 less 51)

Nov 6, 1981
DHC-7 7-22-4

Auto Flight - Rework to AFCS Relay Box
- Modification 7/1920
(A/C 28 thru 34)

Jan 15, 1982
DHC-7 7-32-20

Nose Landing Gear - Replacement of Outer Drag Strut and Sub-Assembly
- Modification 7/1372 (A/C 1 thru 25)

May 9, 1980 Oct 2, 1981 'A'
DHC-7 7-61-7

Propellers - Blades - Erosion Protection of Heater Leading Edge
-  Hamilton Standard S/B 61-1026
(Effectivity - See Hamilton Standard S/B 61-1026)

Oct 9, 1981
DHC-7 V7-28-05

Fuel System - Fuel System Bonding Jumpers and Conductive Fittings - SFAR 88 Compliance

Oct 12, 2007 Sep 18, 2009 'A'
DHC-7 7-54-6

Inboard Nacelles - Introduction of Trough to Debris Guard
- Modification 7/1388 (A/C 1, 2, 3 and 4)

May 4, 1979
DHC-7 7-78-1

Exhaust System - Replacement of Stack Fairing Assemblies
-  Modification 7/1593
(A/C 1 thru 27)

Jun 13, 1980
DHC-7 7-36-1

Pneumatic System - Aft Emergency Door - To Improve Air Supply to Door Seal
- Modification 7/1323
(A/C 3, 4, 5, 6, 7, and 9)

Jul 13, 1979 Jan 5, 1980 'A'
DHC-7 7-27-52

Flight Controls - Replacement of Trailing Flap Potentiometer with Fixed Resistors
- Modification 7/2093
(A/C 3 thru 89 and 91)

Apr 15, 1983 Mar 20, 1987 'B'
DHC-7 7-32-95

Landing Gear - Nose Landing Gear Steering
-  Reduction of Actuator Creep
-  Modification 7/2608
Serial Numbers 3 thru 113

Jul 31, 1992
DHC-7 7-25-45

Furnishings - Relocation of Crew Seat Inertia Reel Lockout Levers
- Modification 7/2388
(A/C 1 thru 97)

May 4, 1984

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