{"schema_version":1,"airport":"3A4","entries":[{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"2876915feb31","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: NMRS +50 FT TREES IN THE APCHS & ALONG THE SIDES OF THE RWY; NMRS +15 FT TREES IN THE PRIM SFC.","source":"APT_RMK","original":"NMRS +50 FT TREES IN THE APCHS & ALONG THE SIDES OF THE RWY; NMRS +15 FT TREES IN THE PRIM SFC."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"5f240e60a0e6","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 6 FT EQUIPMENT 83 FT FR THR OFFSET 57 L OF CNTRLN.","source":"APT_RMK","original":"6 FT EQUIPMENT 83 FT FR THR OFFSET 57 L OF CNTRLN.","fields":[{"field":"REMARK","old":"5 FT BERM 72 FT FR THR OFFSET 46 FT RIGHT OF CNTRLN AND 20 FT TREES 101 FT FM THR OFFSET 75 FT RIGHT OF CNTRLN AND 36 FT TREES 196 FT FM THR OFFSET 105 FT RIGHT OF CNTRLN.","new":"6 FT EQUIPMENT 83 FT FR THR OFFSET 57 L OF CNTRLN."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"b4e79e729f95","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: HAS 15 FT TREES 22 FT FM THR, OFFSET 77 FT L OF CNTRLN.","source":"APT_RMK","original":"HAS 15 FT TREES 22 FT FM THR, OFFSET 77 FT L OF CNTRLN.","fields":[{"field":"REMARK","old":"HAS 20 FT TREES 20-200 FT FM THR, OFFSET 25 FT R OF CNTRLN.","new":"HAS 15 FT TREES 22 FT FM THR, OFFSET 77 FT L OF CNTRLN."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"b1682078cd0f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17: controlling obstacle changed (now 16 ft tall, 257 ft from threshold, 67 ft left of centerline, clearance slope 3:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"45","new":"67"},{"field":"DIST_FROM_THR","old":"292","new":"257"},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"3"},{"field":"OBSTN_HGT","old":"13","new":"16"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"a68edd8401ef","priority":"fyi","category":"runway","kind":"changed","summary":"runway 35: controlling obstacle changed (now 54 ft tall, 447 ft from threshold, 17 ft right of centerline, clearance slope 4:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":"R"},{"field":"CNTRLN_OFFSET","old":"0","new":"17"},{"field":"DIST_FROM_THR","old":"529","new":"447"},{"field":"OBSTN_HGT","old":"77","new":"54"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"56990acc1a16","priority":"action","category":"runway","kind":"changed","summary":"runway 17/35: length: 3063 -> 3064 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"3063","new":"3064"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"770d01fe6de4","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17: Part 77 runway category: utility runway with a visual approach (A(V)) -> none","source":"APT_RWY_END","fields":[{"field":"FAR_PART_77_CODE","old":"A(V)","new":""}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"3ef5ab454017","priority":"fyi","category":"runway","kind":"changed","summary":"runway 35: Part 77 runway category: utility runway with a visual approach (A(V)) -> none","source":"APT_RWY_END","fields":[{"field":"FAR_PART_77_CODE","old":"A(V)","new":""}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"e7ba3c36611c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17: touchdown zone elevation: none -> 739 ft MSL","source":"APT_RWY_END","fields":[{"field":"TDZ_ELEV","old":"","new":"739"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"a029b4b0a16e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 35: touchdown zone elevation: none -> 739 ft MSL","source":"APT_RWY_END","fields":[{"field":"TDZ_ELEV","old":"","new":"739"}]}],"first_cycle":"2024-10-03","last_cycle":"2025-09-04"}