05bc5142-ae69-4d90-9096-f54b7a1e12772026-08-18T10:00:00.000Z2026-08-18T11:00:00.000ZTEMPDELTA1055780b7b-c3f3-44c0-baf1-29180bba85f22026-08-18T10:00:00.000Z2026-08-18T11:00:00.000ZTEMPDELTA10operationalStatusDESCRIPTION0.1 NMoperationalStatusDESCRIPTIONNNW_SIDEoperationalStatusREMARKADS-33 HELICOPTER TETHER SITEOTHER:FLAGGED_UNLIGHTED2026-08-17T18:28:19.152ZSNAPSHOTCRANE6038.295278 -76.4175747e6a09-086b-4f52-92c1-c17c5153b6fb2026-08-17T18:28:19.152ZSNAPSHOTNHKPATUXENT RIVER NAS (TRAPNELL FLD)KNHK38.2863336111111 -76.40997138888893dad3a95-658f-408d-82ed-3d5eac554f142026-08-18T10:00:00.000Z2026-08-18T11:00:00.000ZBASELINE10462M9572026N2026-08-17T18:28:00.000ZZDCQOBXXIVMAE0009993817N07624W5NHK202608181000202608181100OBSTACLE CRANE 381743N0762503W (.1NM NORTH NORTHWEST KNHK) UNKNOWN MSL (60FT AGL) FLAGGED AND UNLIGHTED ADS-33 HELICOPTER TETHER SITELOCAL_FORMAT!KNHK M0957/26 NHK OBST CRANE 381743N0762503W (.1NM NNW NHK) UNKNOWN MSL (60FT AGL) FLAGGED AND NOT LGTD ADS-33 HELICOPTER TETHER SITE 2608181000-2608181100OTHER:ICAOM0957/26 NOTAMN Q) ZDC/QOBXX/IV/M/AE/000/999/3817N07624W005 A) KNHK B) 2608181000 C) 2608181100 E) OBSTACLE CRANE 381743N0762503W (.1NM NORTH NORTHWEST KNHK) UNKNOWN MSL (60FT AGL) FLAGGED AND UNLIGHTED ADS-33 HELICOPTER TETHER SITEMILKNHKPATUXENT RIVER NAS (TRAPNELL FLD)2026-08-17T18:28:00.000ZKNHK