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 121 - 140 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-25-61

Equipment/Furnishings - Overhead Bins -  Replacement of Doorater Assembly with a Gas Spring
-  Modification 7/2224
(A/C 3 and sub. with S.O.O. 7042)

Apr 25, 1990
DHC-7 7-24-46

Electrical - Flight Compartment Overhead Circuit breaker Panel Illumination -  Interchange of Control
-  Modification 7/1940 (A/C 3 thru 72)

Aug 13, 1982
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 7-22-11

Auto Flight - Auto Pilot Controller Incorporation of Time Delay
- Modification 7/2390
(A/C 3 thru 97 and 101 thru 104)

Jan 18, 1985 Jun 28, 1985 'A'
DHC-7 7-32-50

Nose Landing Gear - Steering Actuator Assembly - Shimmy Damping and Corrosion Prevention Rework
-  Modifications 7/2095 and 7/2195
(A/C 1 thru 68 - Modification 7/2095)
(A/C 1 thru 107 - Modification 7/2195)

Oct 1, 1982
DHC-7 7-52-27

Airstair Door - Ground Lock Pin Stowage Provision Relocation
- Modification 7/1919
(A/C 3 thru 57)

Dec 4, 1981
DHC-7 7-30-10

Airframe Deicing System - Horizontal Stabilizer Water Separator
- Special Inspection and Rectification (A/C 4 thru 57, 59 thru 64, 69, 70)

Feb 26, 1982
DHC-7 7-57-16

Wing - Trailing Edge Shroud to Flap -  Replacement Seals
-  Modification 7/2039
(A/C 3 thru 92)

Aug 12, 1982 Aug 17, 1984 'A'
DHC-7 7-34-5

Area Navigation System - Jet Electronics and Technology (J.E.T.) DAC-2000
(A/C 14 and 16 and any other A/C Equipped with DAC-2000 System)

Dec 12, 1979 Jan 27, 1980 'A'
DHC-7 7-27-4

Roll Spoiler Actuator - Relief Valve Replacement
- Modification 7/1383
(A/C 1 thru 4)

Jun 9, 1978
DHC-7 7-53-8

Nose Landing Gear Emergency Handpump Door - To Improve Operation
- Modification 7/1384 (A/C 1 thru 12)

Nov 23, 1979
DHC-7 7-76-13

Engine Controls - Nacelle Throttle Quadrant
- Special Inspection for Fouling and Installation of Additional Washers to the Cable Guard Mounting Bolts
All Aircraft

Jan 28, 1994
DHC-7 7-24-67

Nacelle Longeron / D.C. External Power Ground Stud - Rework to Minimize Corrosion
-  Modification 7/2599
(DHC-7 A/C with Modification 7/2577)

Jun 29, 1990
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 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 7-30-27

Ice and Rain Protection - Introduction of Corrosion Protection Between Ice Shields and Fuselage
- Modification 7/2556
(A/C with S.O.O. 7161)

Dec 4, 1987
DHC-7 7-57-33

Wings - Special Inspection and Removal of Fuel Tank Foam Wedge Blocks
- Modification 7/2586 and 7/2587
(A/C 1 thru 27 less 11 without Modification 7/1367)

Jul 21, 1989 Apr 26, 1991 'B'
DHC-7 7-34-22

Navigation - Ground Proximity Warning System - To Upgrade the System to all Modes Inhibit Function
(A/C 8, 12, 22, 41, 45, 46, 50, 52, 53, 55 thru 61, 63, 64 and 65 with Sundstrand MKII Ground Proximity Warning System)

Jun 17, 1983 Sep 14, 1984 'B'
DHC-7 7-27-87

Flight Controls - Flap Indication System Changes
- Modification 7/2604
Serial Numbers 003 thru 113 except 33, 50, 77, 109 and 110 with Customer Special Installation 78358

Jun 12, 1992
DHC-7 7-27-21

Flap System - Power Control Unit Assembly- Inspection and Replacement of Mounting Lug Retaining Screws
-  Modification 7/1787
(All A/C with Menasco Flap PCU 24000-3, 24000-5 or 24000-103 having Serial Numbers MC006 - MC035)

Apr 25, 1980 Mar 6, 1981 'A'

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