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 1621 - 1640 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
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'
DHC-2 2/49

Fusleage - Forward Tubular Frame - Inspection for Corrosion and Repair

Dec 30, 1994 Jul 2, 1999 'C'
DHC-7 7-27-83

Nacelles - Number 2 and Number 3 Flap Track Attachment brackets Replacement
- Modifications 7/2590 and 7/2592 All Aircraft

Mar 20, 1992 Jul 30, 1999 'A'
DHC-7 7-57-37

Wings - Special Inspection and Replacement of Wing/Fuselage Attachment Joint Bolts
(All DHC-7 Aircraft)

Aug 8, 1997 Aug 27, 1999 'B'
DHC-2 2/28

Control Column - Special Inspection - Repair or Replacement

Jun 6, 1980 Dec 10, 1999 'D'
DHC-6 6/516

Fuselage/Stabilizer - Replacement of Horizontal and Vertical Stabilizer Attachment Adaptors
Mods. 6/1841, 6/1842, 6/1843, 6/1844, 6/1845 and 6/1846
(All A/C)

Aug 14, 1992 Jan 25, 2000 'C'
DHC-6 6/519

Engine Controls - Overhead Console - Special Inspection and Replacement of Control Quadrants
Mod 6/1895
(All A/C except Serial Number 462)

Oct 28, 1994 Jul 18, 2000 'B'
DHC-6 6/527

Ignition - Installation of Spark Ignition
- Mod 6/1912
(All A/C)

Mar 6, 2000 Oct 13, 2000 'C'
DHC-6 6/454

Fuselage/Stabilizer - Special Inspection of Horizontal and Vertical Stabilizer Attachment Adapters
(All A/C)

Jul 6, 1984 Apr 20, 2001 'D'
DHC-6 6/533

Landing Gear - Nosewheel Steering
- Improved Steering Collar
- SOO 6183
(All A/C)

Apr 11, 2000 May 4, 2001 'A'
DHC-3 3/48

Flight Controls - Special Inspection of Elevator Control Lever for Corrosion

Dec 30, 1994 Jul 30, 2001 'A'
DHC-6 6/01

Airworthiness Directives - DHC-6 Twin Otter (All A/C as Noted in Applicability Column)

Dec 21, 1966 Jan 1, 2002 'Revision 7'
DHC-6 6/502

Flight Controls - Push Rod Material Changes Mods. 6/1781, 6/1785, 6/1791, 6/1792 and 6/1802
(All A/C)

Mar 24, 1989 May 3, 2004 'A'
DHC-6 6/390

Flight Controls - Inspection of Magneformed
Flight Control Rods and Sleeve Installation
Mods. 6/1703, 6/1718, 6/1721, 6/1734 and 6/1735
(All A/C)

Feb 15, 1980 May 3, 2004 'G'

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