Documents / FOIA release

Unidentified Plane 'Might Have Been a Phantom'

Central Intelligence Agency · 1992-02-11 · 2 pages · text by GLM-OCR

This Foreign Broadcast Information Service report, dated 11 February 1992 and relayed through the Joint Staff, carries a Seoul Yonhap English dispatch. Radar detected an intruder over the West Sea south of China's Shandong Peninsula. It moved at about 630 knots and then disappeared about 128 kilometers west of Kunsan. The South Korean Air Force sent up 18 fighters, a helicopter and a C-130, which found nothing. A spokesman said the contact was probably a radar ghost signal caused by overlapping surveillance systems.

Read from the scan by GLM-OCR; expect the odd misread word.

INQUIRE=DOC17D

ITEM NO=00068039

ENVELOPE

CDSN = LGX572 MCN = 92042/12935 TOR = 920420826

PTTUZYUW RUEKJCS2305 0420824-UUUU--RUEALGX.

ZNR UUUUU

HEADER

P 110824Z FEB 92

FM JOINT STAFF WASHINGTON DC

INFO RUEALGX/SAFE

P 110811Z FEB 92

FM FBIS SEOUL KOR

TO AIG 4596

RUESDG/FBIS HONG KONG

ACCT FBSK-EWDK

BT

CONTROLS

UNCLAS 4D

SERIAL: SK1102081192

BODY

COUNTRY: ROK

SUBJ: UNIDENTIFIED PLANE 'MIGHT HAVE BEEN A PHANTOM'

REF: SK1102050992 SEOUL YONHAP ENGLISH 110501--FIGHTER PLANES SCRAMBLE TO INTERCEPT UNIDENTIFIED PLANE

SOURCE: SEOUL YONHAP IN ENGLISH 0749 GMT 11 FEB 92

TEXT:

((TEXT)) SEOUL, FEB. 11 (YONHAP) -- THE INTRUDER THAT SENT SOUTH KOREAN AIR FORCE PLANES SCRAMBLING LATE TUESDAY MORNING MIGHT HAVE BEEN A PHANTOM, AN AIR FORCE SPOKESMAN SAID.

RADAR INDICATED AN INTRUDING PLANE IN THE WEST SEA AIRSPACE AT 10:05, BUT FIGHTERS SENT UP TO INVESTIGATE FOUND NOTHING IN THE AREA. A SEARCH IS CONTINUING.

THE UNIDENTIFIED FLYING OBJECT WAS SOME 24 KILOMETERS (15 MILES) SOUTH OF THE SHANDONG PENINSULA IN CHINA WHEN IT WAS FIRST DETECTED ON AIR FORCE RADAR AND, MOVING AT NEARLY THE SPEED OF SOUND, REACHED SOME 128 KILOMETERS (80 MILES) WEST OF KUNSAN IN KOREA BY 10:20, WHEN IT SUDDENLY DISAPPEARED FROM THE RADAR, THE AIR FORCE SAID.

AT THE TIME IT APPEARED ON RADAR, THE PHANTOM WAS FLYING AT 630 KNOTS (1,160 KPH OR 724 MPH), HE SAID.

THE AIR FORCE PROMPTLY SCRAMBLED 18 FIGHTER PLANES, A RESCUE HELICOPTER AND A C-130 TRANSPORT, BUT THEY FOUND NOTHING IN THE AREA, HE SAID.

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

HE EXPLAINED THAT SOMETIMES, DUE TO SUCH PULSES, BIRDS APPEAR ON

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About this file

FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 2 pages are in the text index: search them above, or from the library's search.