https://www.aopa.org/news-and-media/all-news/2012/april/20/apr-20-2012-issue-of-aopa-epilot-flight-training-edition
Apr. 20, 2012, issue of 'AOPA' ePilot: Flight Training Edition' - AOPA
Training Tips: Off peak aviation
apr 20 2012flight trainingissueaopaedition