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 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort ascending
DHC-3 3/50

Stabilizers - Installation of New Angles and Plates on Tailplane Root Ribs - Modification 3/935

Jan 13, 1995 Oct 6, 1995 'B'
DHC-7 7-56-7

Windows - Flight Compartment
Direct Vision Window - Improved Roller Installation in Window Track
- Modification 7/2613 All Aircraft

Oct 29, 1992 Jun 23, 1995 'A'
DHC-6 6/518

Wings - Inspection of Forward Attachment Adapter Assembly for Installation of Correct Fasteners (and Rectification)
(All A/C with Mods 6/1630 and 6/1859 or 6/1630 and 6/1887. A/C 837 thru 844 with Mod 6/1859 or 6/1887)

Jan 27, 1995 Jun 23, 1995 'A'
DHC-7 7-51-1

Structures - Initial Inspection for Bonding Integrity of Structurally Significant Items Serial Numbers 3 thru 113

May 11, 1994 Mar 31, 1995 'A'
DHC-7 7-71-20

Power Plant - Exhaust Case Drain -  Special Inspection and Rectification
-  Modification 7/2394
(A/C 1 and Sub.)

Jan 26, 1984 Mar 17, 1995 'D'
DHC-7 7-34-42

Navigation - Horizontal Situation Indicator (HSI) Power Supply -  Revised Circuit Breaker Connection
-  Modification 7/2612 Serial Numbers 1 thru 113 with Standard Option Only 7014-1

Jul 3, 1992 Mar 17, 1995 'A'
DHC-7 7-34-41

Navigation - Aircraft Performance Limitations for Traffic Alert and Collision Avoidance System II (TCAS II) Advisory Planning
Model 102 and Model 103 Aircraft operating into or within the United States

Jul 19, 1991 Jul 1, 1994 'A'
DHC-7 7-53-30

Fuselage - Additional Structural Provisions to Passenger Seat Rail
- Modification 7/2547
(A/C 1 thru 108 without S.O.O. 7032)

Oct 30, 1987 Jun 30, 1994 'A'
DHC-7 7-26-11

Fire Protection - Lavatory - Introduction of Alternative Smoke Detection System
- Modification 7/2554

Dec 4, 1987 Nov 17, 1993 'A'
DHC-7 A7-32-100

Landing Gear - Inspection of Main Landing Gear Upper Lockstrut (and rectification)
All Aircraft

Jul 7, 1993 Aug 30, 1993 'A'
DHC-3 3/46

Stabilizers - Inspection and Reinforcement of Forward Flanges on Tailplane Root Ribs - Modification 3/934

Mar 10, 1989 Aug 16, 1993 'E'
DHC-2 2/45

Doors - Safety Placards - Inspection and Rectification

Aug 19, 1988 Apr 16, 1993 'A'
DHC-2T 2/45

Doors - Safety Placards - Inspection and Rectification

Aug 19, 1988 Apr 16, 1993 'A'
DHC-6 6/399

Elevator Root Rib Cracking - Special Inspection
Mod. 6/1769
(A/C 1 thru 810)

Apr 5, 1980 Jun 26, 1992 'F'
DHC-6 6/371

Fuselage Side Frames at Stations 218.125 and 219.525 - Special Inspection for Cracks
Reinforcement and Replacement
Mods. 6/1461 and 6/1462
(A/C 1 thru 411)

Jun 2, 1978 Jun 26, 1992 'B'
DHC-6 6/298

Overhead Console Control Quadrants - Special Inspection and New Material Replacement Quadrants
Mod. 6/1467
(A/C 1 thru 420)

Apr 4, 1973 Dec 20, 1991 'D'
DHC-6 6/348

Support Assembly - Elevator Bellcrank and Hand Pump Mounting - Special Inspection for Cracking and Reinforcing
Mod. 6/1594
(A/C 2 thru 494 and 497 thru 503, 505 and 507)

Jul 16, 1976 Dec 20, 1991 'D'
DHC-6 6/500

Wings - Front Attachment Adapters - Introduction of Steel Adapter Fittings
Mod. 6/1887
(A/C 1 thru 838)

Jan 22, 1988 Dec 20, 1991 'D'
DHC-6 6/180

Control Column - Special Inspection
Mod. 6/1433
(A/C 1 thru 378)

Mar 6, 1969 Dec 20, 1991 'F'
DHC-6 6/342

Wing Struts
Mod. 6/1581
(A/C 1 thru 462, 464, 465, 468, 469, 472, 473, 474, 478 and 481)

Feb 23, 1976 Dec 20, 1991 'A'

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