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27 April 1950 · airspace Goshen to South Bend — boundary airspace · Run B #171
The airliner case: at 8:25 p.m., Trans World Airlines Flight 117, a DC-3 westbound for Chicago at 2,000 feet and about 200 miles per hour over Goshen, Indiana, was overtaken from behind 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, fourteen observers in all in NICAP's aircraft-sighting catalogue, among them passengers who were Boeing engineers. The object, the angular size of an orange at twenty feet, rolled on its edge on a parallel course at slightly below 2,000 feet for about two minutes, closing to roughly half a mile; 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: a Project Grudge-era file, carried in Sparks's Blue Book catalogue as “near South Bend (or Goshen?)” — this section's own uncertainty about which city's name the case wears, printed as it stands; it does not stand in the official final list of Unknowns. Placement, stated exactly: an airliner case in the airlanes across the county's southern sky, the object departing north past South Bend at altitude. No part of the event is placed on Osceola's or Penn Township's ground by any file, and none is claimed here; the case is entered because the register's floor names it a county case and its flight path is this county's sky.
NICAP's AVCAT case directory for the Adickes TWA case (27 April 1950, Goshen, Indiana; Sparks summary quoted whole) and Keyhoe's own investigation (TRUE, August 1950, “117 and the Flying Saucer”; retold in TRUE's 1967 report).