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Federal Aviation Administration: 237UAP00374

Department of Transportation. Federal Aviation Administration. · 2023 · 1 pages · text from the file's own layer

This Federal Aviation Administration Skywatch incident report, dated 5 July 2024 and filed by Kansas City Center (ZKC), covers American Airlines flight AAL1913, an A321 flying from Chicago O'Hare to Phoenix. Flying westbound at FL260, the pilot got a TCAS resolution advisory and saw three slow, light grey aircraft heading the opposite way at FL300. United flight UAL1687 and five more aircraft near Fort Riley, Kansas also got TCAS alerts but saw nothing. Neither radar nor Western Air Defense showed any traffic.

SKYWATCH INCIDENT REPORT
PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON
Date: 20:35 07/05/2024
Status: Closed
POD: DEN
Reporting Facility: ZKC
Callsign: AAL1913
Aircraft: A321
Tail Number:
Operator: AAL
Origin: ORD
Destination: PHX
New Destination:
Operator Type: Commercial
Paged: YES
REMARKS
Aircraft reported an unidentified aerial phenomenon off the front side while W bound at FL 260, 40 NM N of FOE. PIC reports
receiving a TCAS RA and saw a flight of 2 followed by a single aircraft, all slow moving, opposite direction at FL 300, light grey in
color. PIC could not discern type of aircraft or provide more description. UAL1687 also reports receiving a TCAS RA in that area
but did not acquire traffic visually. There were no primary or secondary radar returns depicted on ATC facility radar. Western Air
Defense reports no aircraft in vicinity. 2119 UPDATE: 5 more aircraft reported seeing traffic in close proximity on TCAS in the
vicinity of Fort Riley, KS. Negative visual contact. No know GPS testing in that area. No corresponding traffic depicted on radar.
SKYWATCH INCIDENT REPORT | DATE: 2024-07-05T20:35 | POD: DEN | PAGE 1 of 1

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Official release, from the nara collection. The PDF is mirrored here; the original link is above. 1 pages are in the text index: search them above, or from the library's search.