On 30 November 1973, controllers at Turin-Caselle Airport detected an unidentified radar target at low altitude, and a pilot reported visual confirmation. The object identity was never settled.

Caselle matters because it is an Italian radar-visual case with a contemporaneous record — a counterpart to the aviation-radar cases, with the object identity unresolved.
Air-traffic controllers at Turin-Caselle Airport detected an unidentified radar target approximately 400 metres above the ground.
Documented
The radar contact is documented.
A pilot reported visual confirmation of the target. The event is documented in Italian records.
Documented
The visual report is documented.
The Italian Air Force and Turin-Caselle Airport kept records, and contemporary press reported the event. The object identity remains disputed.
Debated
The object identity is disputed.
No photograph is established. The case rests on radar and pilot testimony.
Unverified
Any extraterrestrial origin is unverified.
These sources do different jobs: the Italian records are the official account, and the AFP reporting is contemporaneous. Neither establishes the object identity.
The official Italian record.
The contemporaneous press.