A 400-UAS swarm will operate near Berkhamsted.

A3341/26

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OpsUAS/Drone Operations

2026-09-11 11:00 - 2026-09-13 22:30

Duration:SHORTaggregated 2 days

Period of Applicability

2026-09-11 11:00 - 2026-09-13 22:30

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Interpretation

A swarm of 400 UAS will operate within a 0.6 NM radius of 514611N 0003342W near Berkhamsted, up to 400 ft AGL, from 1100 to 2230; information is available at 07500 873866 (AR-2026-8088/01).

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Raw NOTAM

A3341/26 NOTAMN
Q) EGTT/QWULW/IV/BO /AW/000/010/5146N00034W001
A) EGGW B) 2609111100 C) 2609132230
D) 1100-2230
E) UAS SWARM OPR WI 0.6NM RADIUS OF 514611N 0003342W (BERKHAMSTED).
SWARM MADE UP OF 400 UAS. MAX HGT 400FT AGL. FOR INFO 07500
873866. AR-2026-8088/01.
F) SFC G) 1000FT AMSL

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