{"schema_version":1,"airport":"DUH","entries":[{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"226e0a8b719d","priority":"action","category":"weather","kind":"changed","summary":"weather station type: AWOS-3 -> AWOS-3P","source":"AWOS","fields":[{"field":"ASOS_AWOS_TYPE","old":"AWOS-3","new":"AWOS-3P"}]},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"10105ef0b7b5","priority":"action","category":"frequency","kind":"changed","summary":"frequency 119.175 now listed for DUH AWOS-3P (was DUH AWOS-3); served facility type: AWOS-3 -> AWOS-3P","source":"FRQ","fields":[{"field":"FREQ_USE","old":"DUH AWOS-3","new":"DUH AWOS-3P"},{"field":"SERVICED_SITE_TYPE","old":"AWOS-3","new":"AWOS-3P"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"4b4e43d96791","priority":"fyi","category":"airport","kind":"changed","summary":"bottled oxygen: none -> none; bulk oxygen: none -> none","source":"APT_BASE","fields":[{"field":"BOTTLED_OXY_TYPE","old":"","new":"NONE"},{"field":"BULK_OXY_TYPE","old":"","new":"NONE"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"2f3a5306a116","priority":"fyi","category":"remark","kind":"added","summary":"new remark: FADED.","source":"APT_RMK","original":"FADED."},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"a7e49a3536ff","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: 100LL FUEL AVBL SELF SVC.","source":"APT_RMK","original":"100LL FUEL AVBL SELF SVC."},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"71dd899b36b2","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 20:1 TO DTHR.","source":"APT_RMK","original":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 20:1 TO DTHR.","fields":[{"field":"REMARK","old":"APCH RATIO 20:1 TO DTHR.","new":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 20:1 TO DTHR."}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"0c57bf251d35","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: APCH RATIO 18:1 TO DTHR OVR +79 FT TREE, 1407 FT DIST, 40 FT L.","source":"APT_RMK","original":"APCH RATIO 18:1 TO DTHR OVR +79 FT TREE, 1407 FT DIST, 40 FT L.","fields":[{"field":"REMARK","old":"APCH RATIO 13:1 TO DTHR OVR +96 FT TREE, 1252 FT DIST, 220 FT L.","new":"APCH RATIO 18:1 TO DTHR OVR +79 FT TREE, 1407 FT DIST, 40 FT L."}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"4e47c5d1462b","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Deer and large birds on and in vicinity of airport.","source":"APT_RMK","original":"DEER & LRG BIRDS ON & INVOF ARPT.","fields":[{"field":"REMARK","old":"DEER ON & INVOF ARPT.","new":"DEER & LRG BIRDS ON & INVOF ARPT."}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"30cc44316f1a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09: controlling obstacle changed (now 14 ft tall, 200 ft from threshold, 98 ft left of centerline, clearance slope 0:1); markings now in poor condition; controlling obstacle: TREES -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L/R","new":"L"},{"field":"CNTRLN_OFFSET","old":"50","new":"98"},{"field":"DIST_FROM_THR","old":"473","new":"200"},{"field":"OBSTN_CLNC_SLOPE","old":"3","new":"0"},{"field":"OBSTN_HGT","old":"71","new":"14"},{"field":"OBSTN_TYPE","old":"TREES","new":"TREE"},{"field":"RWY_MARKING_COND","old":"GOOD","new":"POOR"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"14b980d53b5a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 27: controlling obstacle changed (now 84 ft tall, 536 ft from threshold, 157 ft right of centerline, clearance slope 4:1); markings now in poor condition; controlling obstacle: TREES -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"100","new":"157"},{"field":"DIST_FROM_THR","old":"337","new":"536"},{"field":"OBSTN_CLNC_SLOPE","old":"1","new":"4"},{"field":"OBSTN_HGT","old":"77","new":"84"},{"field":"OBSTN_TYPE","old":"TREES","new":"TREE"},{"field":"RWY_MARKING_COND","old":"GOOD","new":"POOR"}]}],"first_cycle":"2025-08-07","last_cycle":"2026-02-19"}