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 21 - 40 of 1692

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-33-1

Wing Inspection Lights - To Adjust Beam Angle
- Modification 7/1276
(A/C 1, 2 and 4)

Apr 3, 1978
DHC-6 6/59

Elevator Spar L.H. - Interim Modification
See S/B 6/65
Mod. 6/1134
(A/C 1 thru 94)

Nov 3, 1967
DHC-7 7-24-67

Nacelle Longeron / D.C. External Power Ground Stud - Rework to Minimize Corrosion
-  Modification 7/2599
(DHC-7 A/C with Modification 7/2577)

Jun 29, 1990
DHC-6 6/244

Engine Fuel Drain System
Mod. 6/1330
(A/C 1 thru 230)

Jun 5, 1970
DHC-7 7-32-50

Nose Landing Gear - Steering Actuator Assembly - Shimmy Damping and Corrosion Prevention Rework
-  Modifications 7/2095 and 7/2195
(A/C 1 thru 68 - Modification 7/2095)
(A/C 1 thru 107 - Modification 7/2195)

Oct 1, 1982
DHC-6 6/334

Fire Extinguisher Model 2-10
Mod. 6/1542
(A/C 1 thru 510)

DHC-6 6/164

Fuel System - Check Valves with Thermal Relief - Introduction
Mod. 6/1158
(A/C 1 thru 230)

Sep 27, 1968
DHC-2 2/35

Not applicable

DHC-7 7-30-10

Airframe Deicing System - Horizontal Stabilizer Water Separator
- Special Inspection and Rectification (A/C 4 thru 57, 59 thru 64, 69, 70)

Feb 26, 1982
DHC-6 6/254

Engine Fire Detector
S.O.O. 6030
(A/C 6 thru 105)

Nov 5, 1971
DHC-2 TB/15

Sealing Strip CT2U1004-37 (CVR-12) Lower Collar - Wing Strut - Protective Coating & Improved Adhesive

Feb 8, 1968
DHC-6 6/495

Ice and Rain Protection - Inspection and Reinforcement of Propeller De-Ice Terminal Clamp Assembly
(A/C with S.O.O. 6005 Incorporated)

Jan 23, 1987
DHC-7 7-54-14

Nacelles - Main Landing Gear Drag Strut Attachment - Special Inspection and Rectification or Replacement of Bearing Housing Retaining Bolts
- Modification 7/2262
(Inspection - A/C 1 thru 64 less 58) (Modification 7/2262 - A/C 1 thru 113)

Aug 12, 1983
DHC-7 7-24-35

Electrical System - Variable Frequency A.C. Power - Special Inspection of Cable Assembly (A/C 1 thru 68)

Oct 2, 1981
DHC-6 6/415

Labels - Addition of OPEN-CLOSED" to Cockpit and Rear Doors
Mod. 6/1780
(A/C 210 and 231 thru 790)

Mar 26, 1982
DHC-6 6/75

Rudder Fairing - Additional Drainage
Mod. 6/1153
(A/C 1 thru 89)

Dec 21, 1967
DHC-7 7-21-30

Air Conditioning - Insulation - Removal of Black Insulation
All aircraft

Jul 6, 1994
DHC-7 7-25-14

Furnishings - Reduction of Crew Seat Travel
- Modification 7/1750
(A/C 1 thru 27)

Nov 21, 1980
DHC-6 6/350

Power Distribution Circuit Breaker Panel - Insulating Barrier Installation
Mod. 6/1612
(A/C 1 thru 510)

Jun 25, 1976
DHC-3 V3/SB0001

DHC-3 Type Certificate Ownership Transfer

Feb 6, 2001

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