31 ANS- Air Navigation School (RAF) (31 Air Navigation School)
Nos. 1 & 2 Air Navigation Schools offered four-week courses in astronavigation and were the last step for Air Observers.The RAF schools, Nos. 31, 32, and 33, provided the same training as Air Observer Schools.
1940-11-18 Primary Location Port Albert ON Canada Returned to agriculture. Still visible on satellite imagery.