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General Aviation Advisory Circulars 421-001 Issue 12, dated 2007-04-01 – Flight Instructor Refresher Courses – Aeroplane and Helicopter is cancelled, effective 2011-11-04.
The instructions contained in the subject GAAC are now included in AC 421-001 – Flight Instructor Refresher Courses – Aeroplane and Helicopter, Issue 02, dated 2010-10-27.
[original signed by Arlo Speer for]
Jacqueline Booth
A/Director, Standards
Civil Aviation
Transport Canada