Category 11 Case Directory
Rating: 5  


AVCAT is a special project being conducted by NICAP, with the help and cooperation of the original compiler of AIRCAT, Dr. Richard Haines, and other sources, to create a comprehensive listing of sightings from aircraft with detailed documentation from these sources, including Projects SIGN, GRUDGE & BLUE BOOK.

Swaying Silver Object Follows Jet
Sept. 19, 1952
Topcliffe, Yorkshire, England

10:53 a.m. local
Duration 15-20 secs +
aircraft Meteor jet fighter
10+ observers
No radar contact

Brad Sparks:
Sept. 19, 1952; Topcliffe, Yorkshire, England
10:53 a.m. [4:14 p.m.?] Operation MAINBRACE Meteor jet fighter (flown by Flight Lt. John W. Kilburn and Flight Lt. Cybulski ?) was descending to land at 5,000 ft when they saw a slow-moving circular silver [or white?] object about 5 miles behind them at about 15,000 ft following a similar course then swinging like a "falling sycamore leaf" or pendulum and began descending. As the Meteor turned towards Dishforth the object followed, then stopped falling leaf motion and descent, began rotation on its axis, suddenly accelerated at "incredible speed" faster than a meteor to the W then turned to SE [and disappeared]. Ground ? observers included Flying Officer Paris, Master Signaller Thompson, Higgins ? and 5 other aircrew [on the ground?]. (Jan Aldrich; Ruppelt pp. 195-6; 15-20 secs + ( NICAP; FUFOR Index)

Detailed reports and documents
reports/5209XXmainbrace_ruppelt.htm (Capt. Edward J. Ruppelt)
reports/5209XXmainbrace_report.htm (Richard Hall)
articles/520919topcliffe_article.htm (Dan Wilson)

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