Six "flying manhole covers" circled plane of stunt pilot. Size, according to Frank Edwards, was 3-4' diameter, approached to withing 10'.
Unusual objects were sighted, that had unconventional appearance and aerobatic performance. Six shiny discs, about 5 feet across, about ten feet away, were observed by one experienced male witness for two minutes (Acosta).
Hynek rating: DD: Daylight Discs
Vallee rating: MA1: A UFO has been observed which travels in a discontinuous trajectory. i.e. vertical drops, maneuvers or loops.
Other sightings in this area
Sources: - 91 - 335 - 616 - 676