April 5, 1952 — Phoenix, AZ
10:40 a.m. Four civilians—Mr. and Mrs. L. G. Ryan, R. L. Stokes, and D. Schook—see a large, dull-gray, circular object, followed by two similar ones, flying straight and level at high speed over Phoenix, Arizona. [Eberhart]
Record Card:
AF-112/Air Intel Report:
Sources:
Brad Sparks, Blue Books Unknowns Catalogue, Case 529, p. 124;
Robert Powell, UFOs: A Scientist Explains What We Know (And Don’t Know), 2024, p. 40;
