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27 April 1950 · airspace Goshen to South Bend — boundary airspace, no ground below in either township
At 8:25 p.m., Trans World Airlines Flight 117, a DC-3 westbound for Chicago at 2,000 feet over Goshen, Indiana, was overtaken from behind and below by a bright red, disc-shaped object — Captain Robert Adickes in the left seat, Captain Robert F. Manning beside him, the hostess Gloria Hinshaw called to the cockpit, and passengers including two Boeing engineers among the fourteen observers NICAP's aircraft-sighting catalogue counts. The object, the size of an orange at twenty feet, rolled on its edge on a parallel course for about two minutes, and when Adickes turned toward it, it dived in little more than a second to 1,500 feet and raced north past South Bend at an estimated 400 miles per hour. Major Donald Keyhoe investigated the case himself for TRUE magazine within weeks, interviewing crew and passengers; NICAP's AVCAT catalogue gives it its highest preliminary documentation class, rating 5. Disposition: the case is a Project Grudge-era file, carried in Brad Sparks's Blue Book catalogue as “near South Bend (or Goshen?)”; it does not stand in the official final list of Unknowns. Placement, stated exactly: an airliner case in the airlanes between Elkhart County and the city, passing north of South Bend at altitude — over no township ground this build owns, and entered here because the register's floor names it a county case and its flight path is the county's sky.
From NICAP's AVCAT case directory for the Adickes TWA case (500427goshen_dir) and Keyhoe's own investigation (TRUE, August 1950; Flying Saucers From Outer Space, pp. 145–48), both at NICAP.