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 81 - 100 of 1698

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-2 V2/0010

Inspection - Front Fuselage Struts and Airframe Lugs

Apr 3, 2020
DHC-6 6/409

Electrical - Lightning Protection - Fin Cap and Wing Tip Lighting
Mods. 6/1745 and 6/1746
(A/C 1 thru 770)

Oct 9, 1981
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 7-34-21

Navigation - Weather Radar - Installation Pressurized Wave Guide
- S.O.O. 7152
(A/C Serial Numbers 003 to 113 with Weather Radar System S.O.O. 7007)

Sep 24, 1982
DHC-2 2/08

See TB/38

DHC-7 A7-27-86

Flight Controls - Special Inspection and Rectification of Flap Indication Circuit in Flap Position Trim Control Box Assembly Serial Numbers 3 and subsequent with Modification 7/2093. Aircraft with Customer Special Installation 78358 (flap indication rework) are excluded

Dec 19, 1991
DHC-6 6/329

Nose Gear Instruction Label
Mod. 6/1541
(All A/C and Spares)

Apr 29, 1975
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-6 6/152

Aircraft Operation at Increased Crosswind Components - New Placard
Mod. 6/1186
(A/C 1 thru 115)

Jun 19, 1968
DHC-7 7-32-68

Landing Gear - Landing Gear Warning Horn Level Reset
- Modification 7/2395 (A/C 3 thru 112)

Oct 19, 1984
DHC-7 7-79-6

Oil - Oil Cooler Drain Valve Replacement
-  Modification 7/2409
(A/C 1 thru 112)

Jun 28, 1985
DHC-6 6/249

J.B. Systems Inc. - S/B 007 - To Modify Wiring Harness
(A/C 1 thru 289)

Sep 18, 1970
DHC-7 7-25-13

Cooling Fans - Flight Compartment
- S.O.O. 7050
(A/C 1 and Sub.)

Nov 7, 1980
DHC-6 6/18

Overhead Console - Improved Throttle Lever Installation
Mod. 6/1025
(A/C 1 thru 35)

May 12, 1967
DHC-6 V6/541

Wing - Front Spar Adapter Assembly (P/N C6WM1027- 1) - Installation of Inspection Holes in Lower Wing Skin
(All A/C)

Oct 1, 2007
DHC-7 7-23-23

Communications - Installation of a Standard VHF Antenna for Upper and Lower Locations
- Modification 7/2301
(A/C 3 thru 110 with S.O.O. 7002)

Feb 27, 1987
DHC-6 6/461

Placards and Markings - Installation of Icing Condition Operation Caution Label De-Iced Aircraft S.O.O. 6004 Mod. 6/1847
Non-Iced Aircraft Mod. 6/1848
(A/C 1 thru 808)

May 11, 1984
DHC-7 7-11-28

Labels - Passenger Information Label Replacement

Aug 12, 1983
DHC-7 7-32-2

Placard - Instructional Plate - Installation of New Plate
- Modification 7/1200
(A/C 4)

Jan 13, 1978
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

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