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 1521 - 1540 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
DHC-7 7-28-2

Fuel System - Auxiliary Pump Lightning Protection - Special Inspection and Rectification
(A/C 3 thru 8)

Oct 19, 1979
DHC-7 7-24-47

Electrical - Relocation of Resistor 3120-R2 on Relay Panel No. 4 - Modification 7/2016 (A/C 28 thru 41 - Modification 7/1452 (Digital Elapsed Time Clock)
(A/C 42 thru 92 - Modification 7/2016 by E.O. 74908 Prior to Delivery)

Aug 20, 1982
DHC-7 7-34-39

Navigation - Racal RNS-5000 Area Navigation (RNAV) System -  Retermination of Wiring
-  Modification 7/2583
(A/C with S.O.O. 7188)

Jun 2, 1989
DHC-7 7-53-26

Fuselage - Installation of Additional Drain Valves in Lower Centre Fuselage
- Modification 7/2303
(A/C 1 thru 112)

Feb 17, 1984
DHC-7 7-27-65

Flight Controls - Roll Spoiler Push Rod End Bearing Replacement
- Modification 7/2400
(A/C 1 thru 107)

May 17, 1985
DHC-7 7-22-12

Auto Flight - Introduction of Auto Pilot Disconnect Audible Alert Unit
- S.O.O. 7186
(A/C 3 and Sub. without Modification 7/2545)

Mar 4, 1988
DHC-7 7-32-86

Landing Gear - Installation of Packer at Main Gear Emergency Release Bracket
- Modification 7/2531
(A/C with Modification 7/1832)

Sep 11, 1987 Jun 1, 1990 'B'
DHC-7 7-25-58

Equipment/Furnishings - Pilot's and Co-Pilot's Seat Installation
- Special Inspection of Seat Retaining bracket (A/C 3 and Sub. with SICMA Crew Seats)

Sep 2, 1988
DHC-7 7-32-10

Tail Bumper - Introduction of New Gasket
-  Modification 7/1375
(A/C 1 thru 4 and 7

May 25, 1979
DHC-7 7-61-9

Propellers - Analytical and Major Inspection
-  Hamilton Standard S/B 61-1022
(Effectivity - See Hamilton Standard S/B 61-1022)

Oct 9, 1981 Nov 15, 1985 'B'
DHC-7 7-28-18

Fuel System - Wing Underside Flap Track Number 4 Canoe Special Inspection and Application of Fuel Containment Coating
- Modification 7/2518 (A/C 1 and Sub.)

May 16, 1986 May 8, 1987 'C'
DHC-7 7-39-6

Instruments - Engine Turbine Temperature and Propeller Tachometer Clamp Replacement
- Modification 7/1998
(A/C 3 thru 72)

Mar 5, 1982
DHC-7 7-73-5

Engine Fuel and Control - Fuel Flow Trans. Temperature Compensation Resistor
-  Relocation and Electrical Connector Replacement
-  Modification 7/2347
(A/C 3 thru 86, 89, 91, 94 and 95)

Oct 14, 1983
DHC-7 7-54-8

Outer Nacelles Access Panel Structure Surrounds - To Replace Existing Rubber Seals with Teflon Strips
- Modification 7/1377
(A/C 1 thru 12)

Oct 19, 1979
DHC-7 7-23-8

Communications - Audio Integrating System - System Check and Rectification to Improve Crew Oxygen Mask Microphone Function
- Modification 7/2188 (All A/C)

Dec 10, 1981 Jun 18, 1982 'A'
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-7 7-27-1

Roll Spoiler Actuator - Seal Replacement
- Modification 7/1274 (A/C 4)

Jan 13, 1978
DHC-7 7-11-13

Furnishings - Buffet Wardrobe, Stowage and Waste Container Weight Limitation Labels
- Modification 7/1779
(A/C 1 thru 34)

Nov 14, 1980
DHC-7 7-24-63

NOT ISSUED

DHC-7 7-32-26

Nose Landing Gear Emergency Selector
- Special Inspection
(A/C 3 thru 26)

Jun 16, 1980 Oct 17, 1980 'A'

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