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

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-23-10

Communications - Headset Cable Holder Installation
- Modification 7/1939
(A/C 1 thru 59 with SICMA Crew Seats)

Jan 8, 1982 May 7, 1982 'A'
DHC-7 7-25-57

NOT ISSUED

DHC-7 7-57-20

Wing Lower Surface - Inner and Outer Nacelles - Change of Drag Angle Fasteners
Modification 7/2293
(A/C 3 thru 112 less 102 and 104)

May 4, 1984 Sep 14, 1984 'A'
DHC-7 7-11-15

Labels - Nose Landing Gear Main Doors
- Modification 7/1904
(A/C 3 thru 39)

Dec 12, 1980
DHC-7 7-32-22

Main Landing Gear - Lower Drag Strut
-  Menasco S/B 32-19
(A/C 1 thru 22 if Drag Strut not Stamped SB 32-19 as shown in Menasco S/B 32-19)
-  Special Inspection for Clearance

Apr 11, 1980
DHC-7 7-53-12

Airstair Door Pressure Stops - Special Inspection
(A/C 3 thru 22)

Apr 25, 1980 Jun 9, 1980 'A'
DHC-7 7-52-18

Airstair Door - Replacement of Cams and Cam Follower
- Modification 7/1767
(A/C 1 thru 31)

Sep 26, 1980 Jan 23, 1981 'A'
DHC-7 7-29-2

Wheel Brake Shuttle Valves - Installation of Filter Fittings
- Modification 7/1443
(A/C 1 thru 4, 7 and 9)

Sep 29, 1978
DHC-7 7-33-20

Lights - Floor Proximity Emergency Escape Lighting - Installation of Electrical Jumpers
- Modification 7/2549
(A/C without Modification 7/1697 and with Modification 7/2505)

Oct 2, 1987 Apr 29, 1988 'B'
DHC-7 7-24-1

A.C. Generator -- Introduction of Upgraded Generator AE2132 MK1
(A/C 4)

May 5, 1978
DHC-7 7-26-12

Fire Protection - Hand Held Fire Extinguishers - Change of Vendor
- Modification 7/2588 (A/C 3 and Sub.)

Dec 7, 1990
DHC-7 7-57-36

NOT ISSUED

DHC-7 7-11-31

Placards and Markings - Additional Current Limiting Labels
- Modification 7/2455
(A/C 3 thru 102)

Sep 13, 1985
DHC-7 7-24-62

Electrical Power - Additional Bus Bars Installation
- Modification 7/2515
(A/C with Modification 7/2254)

Aug 29, 1986
DHC-7 7-32-38

Main Landing Gear - Lock Strut Actuator Assembly - Incorporation of Restrictor in UP Port
- Modification 7/2072
(A/C 1 thru 98)

Sep 4, 1981 Nov 13, 1981 'A'
DHC-7 7-53-28

Front Fuselage - Flight Compartment Drainage Provisions
- Modification 7/2073
(A/C 3 thru 75 less 68)

Mar 23, 1984
DHC-7 7-29-18

Hydraulic System - High Temperature -  Fairlead
Modification 7/2398
(A/C 1 thru 112)

Nov 16, 1984
DHC-7 7-34-12

Navigation - AA200 Radio Altimeter System - To Improve Reliability of the RT220/221 Radio Altimeter
(A/C 1 and Sub.)

Aug 21, 1981
DHC-7 7-32-59

Landing Gear - To Mute Flap Portion of Warning Horn Circuit During Take-off and Allow Operation of Horn at 15 Degree Flap Landing Position
- Modification 7/2202
(A/C 3 thru 112)

Oct 14, 1983 Jan 18, 1985 'B'
DHC-7 7-24-17

Proximity Switch Rework - To Prevent Ingress of Moisture
(A/C 1 and Sub. as required)

Sep 5, 1980

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