Gregory Liefer is a retired military and civilian pilot with more than thirty years flying experience. He holds an Airline Transport Pilot certificate and is a graduate of the Stat...visualizza altroGregory Liefer is a retired military and civilian pilot with more than thirty years flying experience. He holds an Airline Transport Pilot certificate and is a graduate of the State University of New York. Liefer is the author of Aviation Mysteries of the North, detailing major aircraft disappearances in Alaska and Canada. An article, “Missing in Alaska,” was previously featured in Logbook magazine. He currently resides in Idaho with his wife, where he continues researching and writing aviation history.visualizza meno