This comprehensive publication, titled 'Information Circulars to Civil Air Pilots and Aircraft Owners,' compiles circulars from January 1, 1928, to March 31, 1952. Published under the authority of Hon. Lionel Chevrier, Minister of Transport, it provides invaluable regulatory and procedural information for pilots and aircraft owners. Printed in Ottawa, Canada, by Edmond Cloutier, King's Printer and Controller of Stationery.