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 1 - 20 of 1696

Bulletins RSS

Aircraft S/B No. Title Original Issue Latest Issuesort descending
DHC-7 7-26-3

Fire Protection - Firex Container Tube Assembly Replacement
- Modification 7/2017
(A/C 1 thru 72)

Apr 12, 1982
DHC-7 7-39-2

Turn and Slip Indicator - To Delete `4 Min. Turn' from Face of Indicator
- Modification 7/1526
(A/C 1 thru 12)

Dec 7, 1979
DHC-7 7-22-18

Not issued

DHC-7 7-32-12

Nose Landing Gear - Replacement of Shock Strut Assembly Upper Bearing
- Modification 7/1575
(A/C 1 thru 7, 9, 10 and 11)

Jun 8, 1979
DHC-7 A7-32-98

Landing Gear - Extension and Retraction - Special Inspection of Downlock Microswitch Actuating Lever on Nose Landing Gear
Serial Numbers 3 thru 113

Jan 29, 1993
DHC-7 7-11-3

First Aid Kit - Installation of New Label
- Modification 7/1291 (A/C 1, 2 and 4)

May 6, 1978
DHC-6 6/33

Starter Generator (Lear Siegler) Increased Brush Commutation Life
(All A/C)

Jun 26, 1967
DHC-7 7-53-4

Rear Fuselage - Refuel/Defuel Control Panel Access Door Hold - Open Spring
- Modification 7/1488
(A/C 1 thru 10)

Jun 15, 1979
DHC-7 7-28-20

Fuel - Pressure Relief and Dump Valve -  Installation of New Switch Assembly, Gaskets and Seals
-  Modification 7/2580
(A/C with Pressure Relief and Dump Valve Part Number 2800015-101 Installed)

Mar 10, 1989
DHC-2 TB/45

Transmittal Document for Modification Bulletin T2/2072 "Engine Mount Bushing Replacement" (Refer to Mod. Bulletin for Data)

Jan 16, 1976
DHC-6 6/366

Introduction of Improved Voltage Regulator
Mod. 6/1636
(All A/C)

Oct 21, 1977
DHC-7 7-76-5

Engine Control Cables - Seal Plate Special Inspection and Rectification
- Special Inspection
(A/C 3 thru 65)

Oct 23, 1981
DHC-6 6/420

Power Plant - Compressor Delivery Air Line Filter - To Introduce P & WC S/B 1343
(A/C 231 and Sub.)

Feb 12, 1982
DHC-7 7-27-7

Flap Control System - Secondary Drive Shaft Universal Joints
- Special Inspection
(A/C 1 thru 4, 7 and 9)

Sep 18, 1978
DHC-7 7-23-14

Communications - Audio Integration System Noise Reduction
- Modification 7/2258 (A/C 3 thru 92)

Dec 22, 1982
DHC-3 V3/0011

Inspection and Replacement of DH-3 Wing Strut Assembly C3W100

Nov 26, 2019
DHC-7 7-32-28

Tail Bumper - To Increase Strength of Installation
- Modification 7/1293
(A/C 1 thru 12)

Sep 5, 1980
DHC-7 7-24-69

Electrical Power - DC Elect. Load Distribution - Replacement of Hardware at Firewall Terminal Block
- Modification 7/2617 All aircraft

Oct 8, 1993
DHC-7 7-11-19

Labels - Landing Gear Alternate Extension System
- Modification 7/2081
(A/C 1 thru 53)

Sep 4, 1981
DHC-6 6/49

Fuel Boost Pump - Introducing Standby Emergency Switch
Mod. 6/1086
(A/C 1 thru 78)

Sep 20, 1967

Pages