{"schema_version":1,"airport":"MPZ","entries":[{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"920e928f6bed","priority":"fyi","category":"runway","kind":"changed","summary":"runway 15: controlling obstacle changed (now 17 ft tall, 589 ft from threshold, 55 ft left of centerline, clearance slope 22:1); controlling obstacle: TREE -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"146","new":"55"},{"field":"DIST_FROM_THR","old":"335","new":"589"},{"field":"OBSTN_CLNC_SLOPE","old":"15","new":"22"},{"field":"OBSTN_HGT","old":"9","new":"17"},{"field":"OBSTN_TYPE","old":"TREE","new":"TREES"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"02bb8ca8233c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: BRUSH -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"113","new":""},{"field":"DIST_FROM_THR","old":"97","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"20"},{"field":"OBSTN_HGT","old":"13","new":""},{"field":"OBSTN_TYPE","old":"BRUSH","new":""}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"b24f02f17c44","priority":"fyi","category":"runway","kind":"changed","summary":"runway 15: controlling obstacle changed (now 9 ft tall, 335 ft from threshold, 146 ft left of centerline, clearance slope 15:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"83","new":"146"},{"field":"DIST_FROM_THR","old":"509","new":"335"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"15"},{"field":"OBSTN_HGT","old":"15","new":"9"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"b85cb7e98d72","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: controlling obstacle changed (now 13 ft tall, 97 ft from threshold, 113 ft left of centerline, clearance slope 7:1); controlling obstacle: FENCE -> BRUSH","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"65","new":"113"},{"field":"DIST_FROM_THR","old":"150","new":"97"},{"field":"OBSTN_CLNC_SLOPE","old":"25","new":"7"},{"field":"OBSTN_HGT","old":"6","new":"13"},{"field":"OBSTN_TYPE","old":"FENCE","new":"BRUSH"}]}],"first_cycle":"2024-09-05","last_cycle":"2025-07-10"}