{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"4U9","counts":{"action":1,"ifr":0,"fyi":4},"changes":[{"id":"5a5a9116b1ae","priority":"action","category":"runway","kind":"changed","summary":"runway 14/32 -> 15/33 (renumbered) (7000x70 -> 7002x75 ft)","source":"APT_RWY","fields":[{"field":"RWY_ID","old":"14/32","new":"15/33"}]},{"id":"76c7e5905013","priority":"fyi","category":"airport","kind":"changed","summary":"ownership: publicly owned (PU) -> privately owned (PR)","source":"APT_BASE","fields":[{"field":"OWNERSHIP_TYPE_CODE","old":"PU","new":"PR"}]},{"id":"35b5170715f6","priority":"fyi","category":"remark","kind":"removed","summary":"removed runway 14/32 surface remark: Large cracks with protruding weeds throughout runway surface.","source":"APT_RMK","original":"LARGE CRACKS WITH PROTRUDING WEEDS THROUGHOUT RY SFC."},{"id":"328d3f8a0d3d","priority":"fyi","category":"runway","kind":"changed","summary":"runway 15: obstacle clearance slope: 20:1 -> none; marking condition: good -> none; controlling obstacle marking: marked (M) -> none; threshold crossing height: 30 ft AGL -> none; visual glide slope indicator: 2-light PAPI on left side of runway (P2L) -> none; visual glide path angle: 3.5° -> none","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"20","new":""},{"field":"OBSTN_MRKD_CODE","old":"M","new":""},{"field":"RWY_MARKING_COND","old":"GOOD","new":""},{"field":"THR_CROSSING_HGT","old":"30","new":""},{"field":"VGSI_CODE","old":"P2L","new":""},{"field":"VISUAL_GLIDE_PATH_ANGLE","old":"3.5","new":""}]},{"id":"7ab01aac4477","priority":"fyi","category":"runway","kind":"changed","summary":"runway 33: controlling obstacle: ROAD 17 ft tall, 483 ft from threshold, 0 ft either side of centerline -> none listed; obstacle clearance slope: 16:1 -> none; marking condition: good -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":""},{"field":"CNTRLN_OFFSET","old":"0","new":""},{"field":"DIST_FROM_THR","old":"483","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":""},{"field":"OBSTN_HGT","old":"17","new":""},{"field":"OBSTN_TYPE","old":"ROAD","new":""},{"field":"RWY_MARKING_COND","old":"GOOD","new":""}]}]}