A 400-UAS swarm will operate near Berkhamsted.

A3237/26

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OpsUAS/Drone Operations

2026-09-11 12:00 - 2026-09-13 22:30

Duration:SHORTaggregated 2 days

Period of Applicability

2026-09-11 12:00 - 2026-09-13 22:30

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Interpretation

A swarm of 400 UAS will operate within a 0.1 NM radius of 514608N 0003341W at Berkhamsted, up to 394 ft AGL, from 1200 to 2230. For information, contact 07500 873866; reference AR-2026-7885/01.

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Raw NOTAM

A3237/26 NOTAMN
Q) EGTT/QWULW/IV/BO /AW/000/009/5146N00034W001
A) EGGW B) 2609111200 C) 2609132230
D) 1200-2230
E) UAS SWARM OPR WI 0.1NM RADIUS OF 514608N 0003341W (BERKHAMSTED).
SWARM MADE UP OF 400 UAS. MAX HGT 394FT AGL. FOR INFO
07500 873866. AR-2026-7885/01.
F) SFC G) 900FT AMSL

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