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 161 - 180 of 1697

Bulletins RSS

Aircraftsort ascending S/B No. Title Original Issue Latest Issue
DHC-7 7-22-2

Auto Flight - Temporary Rework to Wiring at Autopilot Computer
- Modification 7/1948 and 7/1944
(A/C 1 thru 30)

Sep 11, 1981 Nov 13, 1981 '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 7-54-9

Inner Nacelles - Upper Longeron Strengthening
- Modification 7/1707
(A/C 1 thru 7 and 9, 10 and 11)

Feb 29, 1980
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 7-27-60

Flight Controls - Outboard Roll Spoiler Centre Hinge Arm - Installation of Longer Bushing
- Modification 7/2324
(A/C 1 thru 86, 89, 91 and 95)

Feb 24, 1984
DHC-7 7-27-72

Flight Controls - Spoiler Control Servo Assembly - Special Inspection of Attachment (Effectivity - Refer to Parker S/B 265100-27-112)

Jul 19, 1985
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 7-25-53

Equipment/Furnishings - Introduction of Smoke Mask and Storage Bag
- S.O.O. 7178
(A/C 1 and Sub.)

Apr 17, 1987
DHC-7 7-77-6

Oil - Oil Cooler Drain Valve Replacement
- Modification 7/2409
Serial Numbers 1 thru 112
CANCELLED

May 24, 1995 Jul 5, 1991 'A'
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 7-22-18

Not issued

DHC-7 7-30-28

Ice and Rain Protection - Stall Warning Transducer Heat - Introduction Heat Failure Indication
- Modification 7/2566
(A/C 3 thru 113)

Oct 28, 1988 May 31, 1991 'A'
DHC-7 7-55-4

Horizontal Stabilizer - To Increase Strength of Elevator Control Lock Stops
- Modification 7/1360
(A/C 1 thru 4, 6, 7 and 9)

Aug 24, 1979
DHC-7 7-52-10

Airstair Door - Spring Power Assembly Replacement
- Modification 7/1543
(A/C 1 thru 25 and 27)

Oct 4, 1979 Jun 5, 1981 'B'
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-7 7-27-88

Flight Controls - Flap Actuators - Removal of Screwjack Corrosion and Introduction of Improved Protection
- Modifications 7/2367, 7/2368 and 7/2369 Serial Numbers 003 thru 113

Sep 25, 1992
DHC-7 7-33-11

Lights - Wing Tip Dual Position Light
-  Installation
-  Modification 7/2147
(A/C 003 thru 092, 094 and 095)

Mar 25, 1983 Jan 27, 1984 'A'
DHC-7 7-26-8

Fire Protection - Lavatory - Introduction of Smoke Detector
- Modification 7/2497
(A/C 1 and Sub.)

Aug 15, 1986 Mar 20, 1987 'C'
DHC-7 7-24-58

Electrical Power - Replacement A.C. Generator
- Modification 7/2097
(A/C 1 thru 107)

Jun 15, 1984 Feb 20, 1987
DHC-7 7-92-1

Cherrymax Rivets, Riveters and Pulling Heads - Conversion form Cherrylock Riveters

Oct 31, 1980

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