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 1601 - 1620 of 1697

Bulletins RSS

Aircraftsort descending S/B No. Title Original Issue Latest Issue
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-7 7-27-24

Flying Controls Rudder System - To Reduce Sensitivity of Spring Strut Actuating Switch
- Modification 7/1507
(A/C 1 thru 27)

Sep 12, 1980
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 7-25-17

Furnishings - Protection for Rear Emergency Exit Air Line
- Modification 7/1564
(A/C 1 thru 31, 33, 34, 36, 37 and 38)

Feb 20, 1981 Apr 3, 1981 'A'
DHC-7 7-34-27

Area Navigation System - Improvement to Flight Path When Using Vertical Navigation Mode
- Modification 7/1977
(A/C 3 thru 36 with S.O.O. 7016)

Aug 12, 1983 Jan 20, 1984 'A'
DHC-7 7-32-74

Landing Gear Selector Valve Restrictor - Special Inspection
(A/C 1 thru 107)

Jul 19, 1985
DHC-7 7-32-42

Hydraulic System - Nose and Main Landing Gear Emergency Selector Valve - Inspection for Correct Orientation and Rectification
- Modification 7/1956 (A/C 3 thru 52)

Nov 27, 1981 Sep 24, 1982 'B'
DHC-7 7-82-4

Water Methanol Injection System
-  To Introduce Orifice Assemblies to Facilitate Calibration
-  Modification 7/1549 and 7/1984 (A/C 4, 6 and 9 for Modifications 7/1549 and 7/1984)
(A/C 1 thru 36 less A/C 4, 6 and 9 for Modification 7/1984 only -  for A/C with S.O.O. 7025)

Sep 18, 1981 Jan 15, 1982 'A'
DHC-7 7-61-11

Propellers - Blade Retention in Barrel
-  Rework of Inner Bearing Race Set
-  Hamilton Standard S/B 61-1029
(Effectivity - See Hamilton Standard S/B 61-1029)

Mar 26, 1982
DHC-7 7-30-2

Deicing System Distributor Valves - To Replace Plunger and Pin Assembly
- Modification 7/1705
(A/C 1 thru 27) and all Spares

Oct 12, 1979
DHC-7 7-23-4

Passenger Address System - To Introduce Flight Compartment P.A. "IN USE" Indicator Light
- Modification 7/1348
(A/C 1 thru 12)

Apr 25, 1980
DHC-7 7-27-40

Flight Controls - Wing Roll Spoiler Actuator Mounting Nut - Special Inspection and Rectification
- Modification 7/2210
(A/C 4 thru 72 less 58, 68 and 71)

Feb 5, 1982 Mar 19, 1982 'A'
DHC-7 7-54-10

Nacelles - Propeller Restraint - Ground Equipment Receptacle
- Modification 7/2007
(A/C 1 thru 62)

Feb 12, 1982
DHC-7 7-11-9

Cabin Pressure Data Label
- Modification 7/1659 (A/C 1 thru 17)

Mar 7, 1980
DHC-7 7-25-33

Flight Compartment Doorlock - Rework and Replacement - Modification 7/1958
(A/C 1 thru 52)

Jan 8, 1982
DHC-7 7-35-1

Portable Passenger Oxygen Cylinders - To Introduce a Brass Plug in Lieu of Nylon Plug at Filler Cap
- E.O. 70837
(A/C 3, 4, 6, 7, 9 and 10)

Jul 6, 1979
DHC-7 7-32-90

Landing Gear - Main Gear Lock Strut - Special Inspection of Upper Lock Strut Sub-Assembly
(A/C with Lock Strut Assembly Part Number 15720)

Jul 8, 1988 Oct 28, 1988 'A'
DHC-7 7-71-8

Power Plant - Front Engine Mount -  Elimination of Dowel Pin
-  Modification 7/2025
(A/C 1 thru 59)

May 15, 1981
DHC-7 7-30-18

Ice and Rain Protection - Centre Fuselage Ice Guard Installation - S.O.O. 7161
(A/C 1 and Sub)

Dec 21, 1984 Dec 11, 1987 'C'
DHC-7 7-23-21

Communications - Cockpit Voice Recorder -  Change of Power Supply
-  Modification 7/2431
(A/C 3 thru 27 without Modification 7/1602 and A/C 28 and Sub. with Modification 7/1602)

Jan 24, 1986

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