https://www.aopa.org/news-and-media/all-news/2011/december/16/dec-16-2011-issue-of-aopa-epilot-flight-training-edition
Dec. 16, 2011, issue of 'AOPA ePilot: Flight Training Edition' - AOPA
Training tips: OTLK...VFR WND
dec 16 2011flight trainingissueaopaedition