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 101 - 120 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
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 7-27-18

Flaps - Power Control Unit Assembly -  Replacement of Solenoid Valve Retaining Screws -
Menasco S/B 27-13
(A/C 1 and Sub.)

Mar 7, 1980
DHC-6 6/311

A/C with Tip Tanks - Loading During Landing
(All A/C with Wing Tip Tanks and Equipped with Skis or Floats)

Jun 20, 1974
DHC-7 7-35-5

Oxygen - Installation of Portable First Aid Oxygen Bottle (200 Liters) in Aft End of Cabin
- S.O.O. 7175
(A/C 3 and Sub.)

Nov 28, 1986
DHC-2 2/26

Amphibious Landing Gear Compression Rubber Block Replacement - Modification No. 2/1534

Mar 20, 1978
DHC-7 7-25-11

Overhead Stowage Bin Door - Inspection for Fouling (A/C 1 and Sub.)

Oct 3, 1980
DHC-6 6/231

Improved Fuel System Filtration
Mod. 6/1229
(A/C 1 thru 290)

Dec 23, 1969
DHC-6 V6/0024

Internal Fuel Leak Test & Thermal Relief Check Valves
(S/N 1 thru 850)

Oct 11, 2011
DHC-2 TB/6

Transmittal Document for Modification Bulletin TB/2046
Fuel System - Fuel Booster Pump Check Valves -
Introduction" (Refer to Mod. Bulletin for Data

Jun 29, 1967
DHC-7 7-23-25

Communications - Rectification of Interphone Chime to Flight Deck Audio System
- Modification 7/2595 (A/C 1 and Sub.)

Jul 13, 1990
DHC-6 6/151

Sliding Door - Cabin/Cockpit Handle and Latch Retainer
Mod. 6/1132
(A/C 1 thru 135)

Jun 18, 1968
DHC-6 6/487

Equipment/Furnishings - Baggage Compartment - Installation of Cover on Battery Relay Box
Mod. 6/1857
(All A/C with S.O.O. 6136)

Oct 3, 1986
DHC-7 7-11-30

Labels - Addition to Cabin Interior of Bilingual Labels
- Modification 7/2282 (A/C with S.O.O. 7038)

Aug 2, 1985
DHC-7 7-28-22

NOT ISSUED

DHC-6 6/407

Improved Emergency Lighting - Passenger Cabin
S.O.O. 6179
(All A/C)

Oct 9, 1981
DHC-7 7-54-15

Nacelles - Left Hand Outboard Nacelle -  Stall Warning Flap Transmitter Access Cover Installation
-  Modification 7/1329
(A/C 3 thru 27)

Apr 19, 1984
DHC-7 7-27-34

Flap Control System - Flap Screwjack Tracks No. 2 and 3 - To Introduce an Improved Locking Feature for Aft Bearing Nut and Greasing Provision
- Modifications 7/1591 and 7/1590 (A/C 3 thru 27 - Modification 7/1591; 3 thru 29 - Modification 7/1590)

Sep 4, 1981
DHC-6 6/327

Float Strut Fairings
Mod. 6/1522
(A/C 1 thru 428 Equipped with Floats)

Apr 22, 1975
DHC-7 7-52-6

Cargo Door - Push Rod Check Cable Installation
- Modification 7/1486
(A/C 7 and 9)

Jul 27, 1979
DHC-2 2/42

Not applicable

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