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 221 - 240 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-25-61

Equipment/Furnishings - Overhead Bins -  Replacement of Doorater Assembly with a Gas Spring
-  Modification 7/2224
(A/C 3 and sub. with S.O.O. 7042)

Apr 25, 1990
DHC-7 7-34-17

Navigation - R/NAV Interface Box
-  Addition of Capacitor
-  Modification 7/2014
(A/C 3 thru 57 with Area Navigation System S.O.O. 7016)

Mar 5, 1982
DHC-6 6/282

PT6-20 and -27 Engine Compressor Inlet Screens - Icing Restrictions
(All A/C)

Jul 15, 1971
DHC-7 7-34-18

Aircraft Overspeed Warning System -  Alternate Overspeed Warning Switch and Mounting Rework
-  Modification 7/1997
(A/C 1 thru 62)

Aug 13, 1982
DHC-2T 2/55

Wing Strut Assembly Lower Attachment Fittings -Eddy Current Inspection

Jun 23, 2006
DHC-6 6/202

Nose Baggage Compartment - Lightning Protection
Mod. 6/1279
(A/C 116 thru 310)

Dec 4, 1969
DHC-7 7-32-65

Landing Gear - Normal Brake System Hydraulic Tube Assembly - Inspection and Forward Wing/Fuse Access Panel Rework
- Modification 7/2327
(A/C 3 thru 83, 85, 86, 89 and 94)

Apr 6, 1984
DHC-6 6/538

NOT ISSUED

DHC-7 7-77-4

Engine/Propeller Indicating - Improved Tachometer Generator Assembly
- Modification 7/2152
(A/C 1 thru 92 & all Spare Engines)

Apr 30, 1982
DHC-7 7-22-16

Not issued

DHC-6 6/122

Aileron Trim Tab - Redesigned to Prevent Distortion Due to Handling
Mod. 6/1122
(A/C 1 thru 105)

Apr 1, 1968
DHC-7 7-30-25

Ice and Rain Protection - Snow Separator Actuator - Change of Stroke Limit
- Modification 7/2540
(A/C with ITT Actuator LA11A2113-1 or -2

Jul 31, 1987
DHC-6 6/458

Equipment and Furnishings/Cabin Attendants Seat Shoulder Harness Installation
S.O.O. 6181
(All A/C)

Jan 27, 1984
DHC-7 7-57-28

Wings - Application of Corrosion Inhibitor to Upper Wing Skin and Heat Shields
- Modification 7/2506
(A/C with Modification 7/2414)

Apr 17, 1987
DHC-6 6/42

Cabin Door R.H. Safety Guard Installation
Mod. 6/1069
(A/C 1 thru 60)

Aug 22, 1967
DHC-7 7-27-85

Flight Controls - Replacement of Flap Overspeed brake
- Modification 7/2600
(A/C 1 and Sub.)

May 10, 1991
DHC-6 6/378

Power Plant - Oil Cooler Hoses
(A/C 231 thru 586)

Nov 3, 1978
DHC-3 3/21

Transmittal Document - Modification BulletinS.O.O. 3028 - Requirements for Conversion from Military to Civil Type Aircraft

Mar 14, 1975
DHC-7 7-27-5

Flap Overspeed brake Assembly
- Modification 7/1392
(A/C 1 thru 4, 7 and 9)

Aug 18, 1978
DHC-2 2/13

Not applicable

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