Declassified UFO / UAP Document

UNIDENTIFIED PLANE 'MIGHT HAVE BEEN A PHANTOM'

📅 11 February 1992 📍 West Sea airspace, South Korea 🏛 FBIS 📄 Intelligence report

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AI-Generated Summary

TL;DR

A 1992 intelligence report details the South Korean Air Force's response to an unidentified radar contact that was later attributed to a technical ghost signal.

On February 11, 1992, South Korean Air Force planes were scrambled in response to an unidentified radar contact in the West Sea airspace. The object was first detected at 10:05, approximately 24 kilometers (15 miles) south of the Shandong Peninsula in China. The contact moved toward Kunsan, reaching a speed of 630 knots (1,160 kph or 724 mph) before disappearing from radar screens 80 miles west of Kunsan. Despite the scramble of fighter planes and a C-130 transport, no physical object was located in the area. An Air Force spokesman later suggested that the incident was likely a 'ghost signal' resulting from an overlapping of air surveillance systems, noting that similar phenomena can occur on radar during airplane crashes or due to system pulses.

THE AIR FORCE SUSPECTS THAT A GHOST SIGNAL WAS CAUSED ON THE RADAR DUE TO AN OVERLAPPING OF AIR SURVEILLANCE SYSTEMS, THE OFFICER SAID.

Official Assessment

The Air Force suspects that a ghost signal was caused on the radar due to an overlapping of air surveillance systems.

The unidentified object was likely a ghost radar signal caused by overlapping surveillance systems, though it was initially suspected to be a Phantom aircraft.

Key Persons

Military Units