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 1683

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-25-59

Equipment/Furnishings - Protective breathing Equipment (PBE) - Addition of Mounting Provisions
- Modification 7/2584 (A/C 1 and Sub.)

May 26, 1989 Jun 23, 1989 'A'
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 7-27-3

Flap Screwjacks - Introduction of Screw- jacks with Increased Torque Limiter Settings
- Modification 7/1299
(A/C 1, 2 and 4)

Jun 2, 1978
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 7-24-65

Electrical Power - Special Inspection and Rectification of Circuit breakers
(A/C Serial Number 102 and all other A/C serial numbers that have had Suspect Circuit breakers Installed during In-Service Maintenance or Modification)

Jan 23, 1987 May 8, 1987 'C'
DHC-7 7-32-79

NOT ISSUED

DHC-7 7-82-1

Water Methanol Quantity Indicator
-  Addition of Limit Marks on Face
-  Modification 7/1260
(A/C 1, 2 and 4 with S.O.O. 7025)

May 26, 1978
DHC-7 7-23-10

Communications - Headset Cable Holder Installation
- Modification 7/1939
(A/C 1 thru 59 with SICMA Crew Seats)

Jan 8, 1982 May 7, 1982 'A'
DHC-7 7-31-10

Indicating and Recording - Flight Data Recorder - Rework Caution Light Circuit
- Modification 7/2523
(A/C 3 and Sub.)

Mar 20, 1987 Dec 1, 1989 'B'
DHC-7 7-61-1

Propeller Autofeather System - To Reduce Arming Pressure Switch Level
- Modification 7/1240
(A/C 1, 2 and 4)

Feb 17, 1978 Jun 16, 1978 'B'
DHC-7 7-11-15

Labels - Nose Landing Gear Main Doors
- Modification 7/1904
(A/C 3 thru 39)

Dec 12, 1980

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