Case file · Sighting
The Cleethorpes sphere and RAF Manby
On 22 September 1956 a large, glassy sphere was watched over the Cleethorpes coast for more than an hour and tracked by radar at RAF Manby; RAF jets approached and it flew off.
1956 CE · 53.56, -0.03 · status: account
The account
The sighting happened a month after the Lakenheath–Bentwaters radar case and added to official worry about objects over eastern England.
The sceptical view
A high-altitude research balloon catching the sun is the obvious candidate, though the report says it outran the jets.