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 221 - 240 of 1684

Bulletins RSS

Aircraft S/B No.sort ascending Title Original Issue Latest Issue
DHC-7 7-76-11

Engine Controls - Cables - Installation of Turnbuckles in Wing Leading Edge
- Modification 7/2418
(A/C 1 and Sub.)

Apr 11, 1986
DHC-7 7-76-10

Engine Controls - Nacelle Firewall Cable Seal Replacement
- Modification 7/2362
(A/C 1 thru 103)

Aug 17, 1984
DHC-7 7-76-1

Engines Controls - Microswitch Mounting Improvement for Flight Idle Gate Operating Mechanism
- Modification 7/1527
(A/C 1 thru 22)

Dec 21, 1979 Feb 25, 1980 'A'
DHC-7 7-73-7

Engine Fuel and Control - Modification of Water Separator and Filter
- Bendix Corp. S/B 135a
(A/C 1 and Sub. and all PT6-50 Engines in Spares Holdings)

Mar 9, 1984
DHC-7 7-73-6

Fuel System - Inspection and Replacement of Fuel Tank Flapper Valve
(A/C with Flapper Valve Coded
Either G1, S1, R2, E2, P2, U2, B2, L2, I2, C2, M2, F2, G2, S2, R3, E3, P3, U3, B3 or C3)

Jan 20, 1984
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 7-73-4

Engine Fuel and Control - Relocation of Fuel Flow Transmitter
- Modification 7/1953
(A/C 1 thru 73)

Sep 18, 1981 Mar 19, 1982 'B'
DHC-7 7-73-3

Fuel Flow Transmitter - Replacement -
Modifications 7/1781 and 7/1946
(A/C with Fuel Flow Transmitters TFF2911-2 or TFF2911-3)

Jun 19, 1981
DHC-7 7-73-2

PT6A-50 Fuel Manifold - Special Inspection
(A/C 1 thru 14)

Sep 7, 1979 Feb 18, 1983 'B'
DHC-7 7-73-1

Fuel Flow Transmitter - Special Inspection (A/C 3, 4, 7 and 9)

Dec 6, 1978 Aug 21, 1981 'A'
DHC-7 7-71-9

Power Plant - Serial Numbers on Lord Kinematics Corporation New and Refurbished Engine Mounting Assemblies
(All A/C)

Oct 29, 1981
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 7-71-7

Engine - Rear Cowlings - To Overcome Seal Damage
- Modification 7/1537
(A/C 1 thru 52)

Nov 28, 1980 Sep 18, 1981 'A'
DHC-7 7-71-6

Power Plant - To Reroute Engine Accessories Seal Drains
- Modification 7/135
(A/C 3 thru 12)

Aug 14, 1981 Nov 20, 1981 'A'
DHC-7 7-71-5

Forward Engine Firewall Rework -  To Accommodate Pratt and Whitney Synchrophaser Trimmer Head Housing -  Modification 7/1760
(A/C 1 thru 25)

Nov 28, 1980
DHC-7 7-71-4

PT6A-50 Engine - Front Mount
-  Special Inspection
-  Modification 7/1669
(A/C 1 thru 7, 9 thru 11 and 13)

Dec 14, 1979
DHC-7 7-71-3

Engine Cowling - To Rework Aft Panel
- Modification 7/1354
(A/C 1 thru 12)

Mar 30, 1979
DHC-7 7-71-24

Power Plant - Fuel Control Unit Drain -  Separation from Starter Generator Drain
-  Modification 7/2603
Serial Numbers 3 thru 113

Oct 25, 1991
DHC-7 7-71-23

Power Plant - Improved Engine Mount Assembly - Incorporation of Shim
- Lord S/B SM6204-71-01

Oct 25, 1985
DHC-7 7-71-22

Power Plant - Relocation of Engine rain Line
- Modification 7/2411
(A/C 3 thru 105 less 104 and 106 with S.O.O. 7025)

Oct 5, 1985

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