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 1561 - 1580 of 1697

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
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 7-30-23

Ice and Rain Protection - Snow Separator Actuator - Introduction of Improved Actuator
- Modification 7/2422
(A/C 3 thru 112)

Aug 1, 1986 Sep 2, 1988 'A'
DHC-7 7-30-12

Snow Separator Actuator - Interchangeable Replacements
- Modifications 7/1782, 7/2020 and 7/2228 (A/C 1 and Sub.)

Aug 20, 1982 Oct 28, 1988 'E'
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 7-25-56

Equipment/Furnishings - Fireblocking Requirements for Aircraft Seat Cushions (A/C 1 thru 108)

Sep 11, 1987 Jan 20, 1989 'A'
DHC-6 6/476

Wing Front Attachment Adapters - Special Inspection
(All A/C)

Aug 16, 1985 Feb 3, 1989 'C'
DHC-7 7-53-33

Fuselage - Special Inspection for Disbonding of Unriveted Stringers on Fuselage Skin
(All A/C)

May 31, 1989 Jun 9, 1989 'A'
DHC-7 7-25-59

Equipment/Furnishings - Protective breathing Equipment (PBE) - Addition of Mounting Provisions
- Modification 7/2584 (A/C 1 and Sub.)

May 26, 1989 Jun 23, 1989 'A'
DHC-7 7-24-66

Electrical Power - Special Inspection of Main Landing Gear Frame Bolts and Relocation of
External Power Ground Studs
- Modification 7/2577
(All A/C)

Oct 28, 1988 Jun 23, 1989 'B'
DHC-6 6/478

Engine Controls - Beta Backup Switch Installation
Mod. 6/1831
(All A/C)
(A/C 6 and Sub. Notice of Status Change 07 Dec 90)

Jan 24, 1986 Jul 7, 1989 'C'
DHC-7 7-78-2

Engine Exhaust - Rework or Replacement of Exhaust Duct Fairings
-  Modification 7/2187
(A/C 1 thru 112)

Nov 25, 1983 Sep 15, 1989 'B'
DHC-7 7-92-6

Miscellaneous - Aeroquip Hoses Type 601 -  Precautionary Inspection and Rectification
(A/C 1 and Sub.)

Feb 3, 1989 Sep 29, 1989 'C'
DHC-3 3/47

Miscellaneous - Aeroquip Hoses Type 601 - Precautionary Inspection and Rectification

Feb 3, 1989 Oct 6, 1989 'C'
DHC-2T 2/46

Miscellaneous -Aeroquip Hoses Type 601- Precautionary Inspection and Rectification

Feb 9, 1989 Oct 6, 1989 'C'
DHC-6 6/506

Miscellaneous - Aeroquip Hoses Type 601 - Precautionary Inspection and Rectification
(All A/C)

Feb 3, 1989 Oct 6, 1989 'C'
DHC-7 7-33-22

Lights - Emergency Battery Lighting Power Supply Change
(A/C with 60-1321-1 and 60-3844-1 Power Supplies)

Jun 9, 1989 Oct 13, 1989 'A'
DHC-7 7-54-11

Nacelles - Replacement of Landing Gear/ Rear Spar Diagonal Frame Members 75420012 with Members 75421508
-  Sub-Parts of Assembly 7Z5400
-  Modification Kit 7MK1500-001 (Part of Modification 7/1500) (A/C 3 thru 27)

Sep 29, 1989 Nov 3, 1989 'A'
DHC-7 7-31-10

Indicating and Recording - Flight Data Recorder - Rework Caution Light Circuit
- Modification 7/2523
(A/C 3 and Sub.)

Mar 20, 1987 Dec 1, 1989 'B'
DHC-6 6/491

Fuel - Wing Fuel Tank Gauges - Inspection and Rectification or Replacement
Mods. 6/1861 and 6/1875
(A/C with S.O.O. 6095 Incorporated)

Apr 17, 1987 Dec 1, 1989 'A'
DHC-6 6/469

Wings - Wing Restraint Tension Rod Installation
Mod. 6/1752
(A/C 1 thru 820 Less 813 and 817)

Mar 22, 1985 Jan 12, 1990 'E'

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