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 1601 - 1620 of 1684

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
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-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 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 7-34-41

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 7-71-20

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 7-51-1

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

May 11, 1994 Mar 31, 1995 'A'
DHC-7 7-56-7

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-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 7-33-23

Lights - Emergency Lights Power Control Relay Installation
- Modification 7/2622
Serial Numbers 003 thru 113 less 25 and 70 With Modification 7/1697

Jul 28, 1995 Oct 20, 1995 'A'
DHC-6 6/523

Flight Controls - Special Inspection of Carbon Steel Control Cables for Wear and Corrosion
(All A/C without stainless steel cables
(SOO 6082 or EO 69053)

Aug 4, 1995 May 10, 1996 'A'
DHC-7 7-22-8

Auto Flight - Autopilot Controller -  Deletion of Turn Control Knob
-  Modification 7/2334
(A/C 3 thru 86, 88, 89, 91, 94 and 95)

Aug 19, 1983 Jun 21, 1996 'B'
DHC-6 6/525

Wings - Initial Inspection of Wing Assemblies Using Ultrasonic Technique
A/C 001 thru 107 and later aircraft with wing box C6W1002-1, or C6W1002-3 or C6W1002-5 or C6W1002-7 retrofitted.

This service bulletin does not apply to: A/C with Mod 6/1117 incorporated. A/C with Mod 6/1630 incorporated A/C 2

Sep 6, 1996 Dec 20, 1996 'A'
DHC-6 6/524

Wings - Bottom Skin - Installation of New Fasteners
- Mod 6/1896
(A/C 1 thru 812, 814, 815, 816, 819 and 820 with Mod 6/1752 installed)

Aug 25, 1995 Feb 7, 1997 'A'
DHC-6 6/492

Wings - Special Inspection of Main Spar Lower Cap Angles
(A/C with 10 Yrs. from Date of Manufacture or A/C with Mod. 6/1630 Incorporated and have 10 Yrs. from Date of Manufacture on the New Wing(s)) or (A/C that have Replaced the Wing(s) with Used Wing(s) and have a Combination of 10 Years from Date of Manufacture Between the Accumulated Years of Service/Flight Hours on the Used Wing(s) at Installation and the Years of Service/Flight Hours which have Elapsed Since the Installation)

Dec 12, 1986 Nov 14, 1997 'B'
DHC-7 A7-32-102

Landing Gear - Brakes and Nose Doors
-  Special Inspection of Shuttle Valves and Replacement of Filter Fittings
All Models Serial Numbers 003 thru 113 with Brake Shuttle Valves
Serial Numbers 2162A thru 2244A installed

Oct 22, 1997 Nov 26, 1997 'A'
DHC-6 6/354

Fuselage - Replacement of Lower Frame at Station 218.82 - Mod 6/1553
(All A/C)

Nov 26, 1976 Jul 31, 1998 'C'
DHC-2 2/46

Miscellaneous - Aeroquip Hoses Type 601 - Precautionary Inspection and Rectification

Feb 3, 1989 Oct 6, 1998 'C'
DHC-7 7-54-19

Nacelles - Inboard - Lower Longeron, Upper Half - Special Inspection for Corrosion, Rectification and Incorporation of Modification 7/2731
Serial Numbers 004 thru 113 excluding
Serial Numbers 037 and 061

Jan 2, 1998 Apr 16, 1999 'C'

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