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 141 - 160 of 1696

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-2 2/38

See TB/56

DHC-7 7-61-11

Propellers - Blade Retention in Barrel
-  Rework of Inner Bearing Race Set
-  Hamilton Standard S/B 61-1029
(Effectivity - See Hamilton Standard S/B 61-1029)

Mar 26, 1982
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 7-27-3

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 7-31-1

Flight Data Recorder System - Inspection and Removal of Redundant Wire
(A/C 1 thru 20 and 22)

May 30, 1980
DHC-2 TB/18

Transmittal Document for Modification Bulletin T2/2059 Tailplane Reinforcement" - Float & Amphibious Aircraft
(Refer to Mod. Bulletin for Data)

Mar 18, 1969
DHC-7 7-52-26

Airstair Door - Forward Handrail - Addition of Rubbing Strip
- Modification 7/2089
(A/C 3 thru 35) (A/C 36 thru 92 will be Modified to DHC E.O. 74867)

Nov 6, 1981
DHC-7 7-54-10

Nacelles - Propeller Restraint - Ground Equipment Receptacle
- Modification 7/2007
(A/C 1 thru 62)

Feb 12, 1982
DHC-7 7-52-27

Airstair Door - Ground Lock Pin Stowage Provision Relocation
- Modification 7/1919
(A/C 3 thru 57)

Dec 4, 1981
DHC-7 V7-27-01

Solenoid Valve Flight Spoiler Servo Unloading - Screw Replacement

Oct 18, 2007
DHC-6 V6/0027

NOT ISSUED

DHC-6 6/349

Collins Radio Magnetic Indicator - Inspection and Modification
(Various A/C 344 thru 476. See S/B for Effectivity)

Jun 18, 1976
DHC-3 3/19

Towing Practices

Apr 17, 1974
DHC-6 6/490

Landing Gear/Nose Shock Strut - Replacement of Lower Bearing
Mod. 6/1858
(A/C 1 thru 831 with Mod. 6/1566 Incorporated)

Oct 17, 1986
DHC-2 2/55

Wing Strut Assembly Lower Attachment Fittings - Eddy Current Inspection

Jun 23, 2006
DHC-7 7-71-9

Power Plant - Serial Numbers on Lord Kinematics Corporation New and Refurbished Engine Mounting Assemblies
(All A/C)

Oct 29, 1981
DHC-2 TB/35

Finlets CT2UF1052-1 - Repair Scheme

Feb 3, 1970
DHC-7 7-11-15

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

Dec 12, 1980
DHC-7 7-25-13

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

Nov 7, 1980
DHC-7 7-28-15

Fuel - Fuel System Shut-Off Valve Replacement
- Modification 7/1880
(A/C 1 thru 132)

Jun 8, 1984

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