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 141 - 160 of 1684

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-34-15

Standby Attitude Indicator - Additional Diode Installation
- DHC E.O. 72205 (A/C 54)

Nov 20, 1981
DHC-7 7-24-48

Electrical - Master Caution Control Circuit breaker Relocation - Modification 7/2200 and Stall Warning Dual Power Source Diode Installation - Modification 7/2206
(A/C 1 thru 81 - Modification 7/2200) (A/C 1 thru 95 - Modification 7/2206)

Aug 20, 1982 Oct 15, 1982 'A'
DHC-7 7-32-62

Nose Landing Gear - Emergency Lowering Hand Pump - Special Inspection
(All A/C)

Dec 23, 1983 Mar 22, 1985 'A'
DHC-7 7-77-1

Engine Torque Pressure Transmitter -  To Relocate and Shock Mount Improved Transmitter
-  Modification 7/1272
(A/C 1, 2 & 4)

Sep 15, 1978
DHC-7 7-22-13

Auto Flight - Auto Pilot Disconnect Audible Alerter - Change of Power Source - Modification 8/2578
(A/C with S.O.O. 7186)

Jan 20, 1989
DHC-7 7-30-22

Ice and Rain Protection - Elevator Horn Heaters - Replacement of Thermostats
- Modification 7/2470
(A/C 3 and Sub.)

Jun 13, 1986
DHC-7 7-57-25

Wings - Upper Skin Structure - Special Inspection and Installation of Heat Shields
- Modification 7/2414
(A/C 1 and Sub.)

Aug 30, 1985 Feb 20, 1987 'D'
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 7-53-17

Fuselage - Airstair Door - Undersill Drainage and Sealing of Door Sill Web
- Modification 7/1902
(A/C 1 thru 34)

Feb 13, 1981 Jun 18, 1982 'A'
DHC-7 7-27-2

Flap Overspeed brake Assembly
- Modification 7/1300
(A/C 1, 2 and 4)

Mar 31, 1978
DHC-7 7-34-31

Navigation - Radio Altimeter System - Introduction of Diode
(A/C 3 thru 99 with Modification 7/2083 93 thru 99 have Modification 7/2083 refer to Sperry S/B 7001840-34-4 for Units Affected)

Mar 9, 1984
DHC-7 7-24-64

Electrical Power - Battery Temperature Monitor - Change of Type
- Modification 7/2469
(A/C 3 and Sub.)

Nov 14, 1986
DHC-7 7-32-78

Main Landing Gear - Wheel Assembly - Conversion of 3-1354 MLG Wheel to 3-1354-1 MLG Wheel
(A/C with 3-1354 MLG Wheel)

Nov 22, 1985
DHC-7 7-80-2

Electrical - Starter Generator - Addition of Torque Tightening Valves to Terminal Block Connectors - Lucas Aerospace Modification 5134CG
(A/C 1 and Sub.)

Sep 17, 1982
DHC-7 7-23-9

Communications - Audio Resistor Box Assembly Rework
- Modification 7/2028 (A/C 28 thru 45)

Dec 11, 1981 Feb 5, 1982 'A'
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 V7-57-01

Fuel System - Fuel Tank Pressure Relief Valve Removal of Protective Coating- SFAR Compliance - Modification No V7-M5701 (All Aircraft)

Jul 19, 2007 Sep 18, 2009 'B'
DHC-7 7-11-14

Passenger Oxygen System - Addition of Labels to Stowage Bins
- Modification 7/1828
(A/C 1 thru 34)

Dec 5, 1980
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 7-53-33

Fuselage - Special Inspection for Disbonding of Unriveted Stringers on Fuselage Skin
(All A/C)

May 31, 1989 Jun 9, 1989 'A'

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