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 121 - 140 of 1683

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-6 V6/0031

Pitot Head - Increased Corrosion Protection

Mar 14, 2013
DHC-7 7-24-7

Airframe De-Ice and Indication System Inspection for Correct Termination of Tail Switches De-Ice Distribution Valve Pressure
- Special Inspection (A/C 3, 4, 6, 7, 9 and 10)

Jun 1, 1979
DHC-6 6/494

Wing Strut Assemblies - Continuing Integrity
(All A/C)

Oct 23, 1987
DHC-7 7-71-4

PT6A-50 Engine - Front Mount
-  Special Inspection
-  Modification 7/1669
(A/C 1 thru 7, 9 thru 11 and 13)

Dec 14, 1979
DHC-7 7-21-2

Cabin Pressurization Control System Heater Installation
- Modification 711391
(A/C 1 thru 7 and 9)

Nov 21, 1978
DHC-6 6/78

Landing Gear Main - Compression Block Replacement
Mod. 6/1022
(A/C 1 thru 35)

Jan 2, 1968
DHC-6 6/414

Air Conditioning System - Performance Improvement Modifications
(All A/C Equipped with S.O.O. 6109)

Dec 15, 1981
DHC-7 7-55-1

Vertical Stabilizer - Upper Strobe Light Mounting Rework
- Modification 7/1280
(A/C 1 thru 7)

Jun 2, 1978
DHC-6 6/334

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

DHC-7 7-52-13

Ground Lock Stowage - Provision in Airstair Door
- Modification 7/1441
(A/C 3 thru 24)

Apr 11, 1980
DHC-7 7-25-34

Furnishings - Baggage Compartment Protective Bulkhead - Improved Latches
- Modification 7/1851 (A/C 1 thru 72)

Feb 19, 1982
DHC-6 6/254

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

Nov 5, 1971
DHC-2 V2/0007

Inspection and/or Replacement of MS21042 Locknut in Horizontal Stabilizer (P/N C2TP1A)

Apr 29, 2013
DHC-2 TB/29

Amphibious Landing Gear - Warning Light - Wiring Alterations

Sep 24, 1968
DHC-7 7-24-23

Engine Fire Protection - To Introduce Electrical Short Discrimination
- Modification 7/1302
(A/C 3 thru 23)

Sep 19, 1980
DHC-6 6/510

Fire Protection - Introduction of New Portable Fire Extinguisher Type
Mod. 6/1889
(A/C with Mod. 6/1542 and E.O. 63513 Incorporated)

Feb 23, 1990
DHC-7 7-21-18

Air Conditioning System - Addition of Check Valve In Ground Air Supply
- Modification7/2161
(A/C 40, 42, 44, 47, 48, 49, 51, 52, 58, 59, 60, 61, 63, 64 and 65)

Jun 18, 1982
DHC-6 6/94

Rudder Static Balance - Revised Limits and Conditions - (This S/B Incorporated in R.andO.M. 01 February, 1968)
(All A/C)

Feb 8, 1968
DHC-7 7-29-17

Hydraulic Power - Inboard Nacelle - Flap Radius Arm Hose Replacement
-  Modification 7/2365
(A/C 1 thru 112)

Jun 29, 1984
DHC-6 6/430

Power Plant - First Stage Reduction Planet Gear Bearing with Tin-Rich Overlay - To Introduce P & WC S/ B 1338
(All A/C)

Apr 12, 1982

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