Mr Cliff E Bjornsen was the Chief Ground School Instructor at 5 British Flying Training School in Florida based at Riddle Field. He was a well respected instructor and in April 1943 the Embry-Riddle Flypaper reported, " According to the latest report issued by the RAF Delegation in Washington, our Ground School is on top of the relative standings on Wings Exams of BFTS schools in the United States, this report including the Course 11 output. ...

Responsible in a large measure for this great success is Cliff Bjornsen, Chief Ground School Instructor. His wise planning and fair handling of his Instructors has resulted in an efficient, compact Ground School program from which the above record was made."



In June 1942 the Instructor's Club was formed and in 1943 Cliff Bjornsen became one of its directors.