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

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-32-91

Landing Gear - Main Gear Shock Strut Assembly - Introduction of Improved Scraper and Lower Bearing
(A/C with Main Gear Shock Strut Assemblies Part Number 15100-15, Serial Numbers 8 thru 256)

Oct 28, 1988
DHC-7 7-23-22

Communications - Flight Crew/Attendant Emergency Call Switch Replacement
- Modification 7/2492 (A/C 3 thru 123)

Oct 17, 1986
DHC-7 7-32-11

Nose Landing Gear - Inspection for Correct Shock Strut Trunnion Arm Gap and Rectification - Special Inspection
(A/C 1 thru 7, 9 and 10)

Jun 8, 1979 Nov 16, 1979 'A'
DHC-7 7-61-13

Propellers - Extension Dome and Propeller Assembly - Inspection and Reidentification
-  Hamilton Standard S/B 61-1032
(Effectivity - See Hamilton Standard S/B 61-1032)

Mar 26, 1982
DHC-7 7-11-27

Placards and Markings - Addition of Toilet Label
- Modification 7/2332
(A/C 1 thru 86, 89 and 91)

Jun 17, 1983 Aug 17, 1984 'A'
DHC-7 7-28-19

Fuel - Transfer Caution Light - Change of Activation Source
- Modification 7/2493
(A/C 1 and Sub.)

Sep 26, 1986
DHC-7 7-28-20

Fuel - Pressure Relief and Dump Valve -  Installation of New Switch Assembly, Gaskets and Seals
-  Modification 7/2580
(A/C with Pressure Relief and Dump Valve Part Number 2800015-101 Installed)

Mar 10, 1989
DHC-7 7-54-13

Inboard Nacelles - Front Spar Frame Replacement
(A/C 3 thru 27)

Aug 12, 1983 Apr 15, 1988 'B'
DHC-7 7-27-32

Spoiler Control Servo Assembly - Part Number 265100-1009/1011 - Inspection and Replacement of Slide in Lift Dump Valve (A/C DASH 7 with Control Servo Assembly

May 29, 1981 Sep 11, 1981 'A'
DHC-7 7-52-4

Outer Nacelle Lower Access Door -  To Provide Water Drain Holes
-  Modification 5/1278
(A/C 1, 2 and 4)

May 19, 1978
DHC-7 7-25-25

Furnishings - Cabin Draft Panel Assembly -  Improved Retention for Airstair Door Cable Attachment
-  Modification 7/2001 (A/C 1 thru 39)

Mar 20, 1981
DHC-7 7-33-5

Electrical Panel Lights for Radio Navigation Control Display Units

Dec 7, 1979
DHC-7 7-24-14

Electrical System - To Provide Independent Control of Inner and Outer Landing Lights
- Modification 7/1335 (A/C 3 thru 27)

Jan 5, 1980
DHC-7 7-32-28

Tail Bumper - To Increase Strength of Installation
- Modification 7/1293
(A/C 1 thru 12)

Sep 5, 1980
DHC-7 7-71-11

Power Plant - Compressor Bleed Valve Assembly - Pratt and Whitney S/B 4067 (Effectivity - See Pratt and Whitney S/B 4067)

Feb 19, 1982 Jun 25, 1982 'A'
DHC-7 7-21-9

Bleed Air System - To Install Diverter Valve
- S.O.O. 7066
(A/C 1 and Sub. as required)

May 30, 1980 Oct 2, 1981 'A'
DHC-7 7-29-8

Roll Spoiler Hydraulic Piping - Replacement of Pressure and Return Pipes
- DHC E.O. 72082
(A/C 21 thru 29)

Oct 17, 1980
DHC-7 7-55-8

Horizontal Stabilizer - Elevator Gust Lock - Jo-Bolt Special Inspection and Replacement
(A/C Serial Numbers 4 and Sub.)

Sep 30, 1983 Mar 22, 1985 'B'
DHC-7 7-27-48

Flight Controls - Trailing Flaps Magnetic Switch Wiring Rework
- Modification 7/1937
(A/C 1 thru 92)

Dec 22, 1982
DHC-7 7-52-19

Airstair Door - Hinge Adjustment
- Modification 7/1741
(A/C 3 thru 10, 12 thru 17, 19, 21, 22, 24 and 26)

Sep 26, 1980 Jan 23, 1981 'A'

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