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 121 - 140 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 6/47

Auto Pilot (H-14 Honeywell) Servos Protection Against Ingress of Water
Mod. 6/1051
(A/C 3 thru 49)

Aug 22, 1967
DHC-7 7-27-90

Flight Controls - Ground Spoilers - Installation of In-Line Filters in Hydraulic Pressure Hoses
- Modification 7/2741
Serial Numbers 003 thru 113

Sep 3, 1999
DHC-3 3/26

Airworthiness Directives as Issued Against DHC-3 Otter Aircraft

May 14, 1976
DHC-7 7-27-10

Roll Spoiler Actuator - Lift Pump Valve Replacement
- Modification 7/1480
(A/C 1 thru 4, 6, 7 and 9)

Mar 30, 1979
DHC-6 6/303

Autofeather System Bleed Resistors
Mod. 6/1484
(A/C 6 thru 290 Incorporating Propeller Autofeather System)

Nov 6, 1973
DHC-7 7-34-39

Navigation - Racal RNS-5000 Area Navigation (RNAV) System -  Retermination of Wiring
-  Modification 7/2583
(A/C with S.O.O. 7188)

Jun 2, 1989
DHC-2 2/18

Altimeter - Introduction of Aerosonic Altimeter 101730- 01419 - Modification No. 2/1528. All DHC-2 Beaver and DHC-T2 Turbo Beaver Aircraft

May 14, 1976
DHC-7 7-25-3

Toilet Compartment - Installation of Muffler and Line Reducer in Drain System
- Modification 7/1281
(A/C 1, 2 and 4)

Dec 20, 1978
DHC-6 6/223

NOT ISSUED

DHC-7 7-92-4

Control Cables - Turnbuckle MS21251B Precautionary Inspection of Inflator Assembly
(A/C 1 & Sub.)

Jun 28, 1985
DHC-7 7-23-17

Communications - Introduction of Diode to Flight Attendant's Panel Electrical Circuit
- Modification 7/2208 (A/C 1 thru 92)

Feb 25, 1983
DHC-6 6/143

Cockpit - Noise Level Reduction
Mod. 6/1079
(A/C 1 thru 60)

May 27, 1968
DHC-7 7-61-8

Propellers - Incorporation of Improved Bearing Race
-  Hamilton Standard S/B 61-1027
(Effectivity - See Hamilnto Standard S/B 61-1027)

Oct 9, 1981
DHC-6 6/63

Intake Deflector/Snow Separator Testing Procedure
(All A/C)

Nov 7, 1967
DHC-7 7-28-14

Fuel System - Alternative Refuel/Defuel Valve
- Modification 7/1739
(A/C 1 thru 65)

Sep 23, 1983
DHC-7 7-54-7

Nacelle Aft End Fairing Doors -  To Replace Bungee Cord Spring with Steel Wire Coil Springs
-  Modification 7/1374
(A/C 1 thru 4, 6, 7, 9 and 10)

May 25, 1979
DHC-6 6/319

Propeller Restraint
Mod. 6/1505
(A/C 1 thru 430)

Jan 10, 1975
DHC-7 7-39-6

Instruments - Engine Turbine Temperature and Propeller Tachometer Clamp Replacement
- Modification 7/1998
(A/C 3 thru 72)

Mar 5, 1982
DHC-2 2/34

Not applicable

DHC-7 7-25-19

Furnishings - Toilet Compartment -  Addition of Access Panel
-  Modification 7/1694 (A/C 1 thru 16) (17 thru 35 under de Havilland E.O. 74459)

Mar 27, 1981

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