|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||8 days ago||57.45||$39.51||You save $17.94|
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William K. Kershner was a certified flight instructor, a naval aviator, and a corporate pilot. The recipient of many aviation awards, including the General Aviation Flight Instructor of the Year, he is the author of the Flight Manuals series. William C. Kershner is a certified commercial flight instructor and an airline transport pilot. He lives near Sewanee, Tennessee.