{"schema_version":1,"airport":"MDQ","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"1560be9f49ff","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now 39 ft tall, 1074 ft from threshold, 204 ft left of centerline, clearance slope 22:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"176","new":"204"},{"field":"DIST_FROM_THR","old":"1014","new":"1074"},{"field":"OBSTN_CLNC_SLOPE","old":"23","new":"22"},{"field":"OBSTN_HGT","old":"34","new":"39"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"9bbe6a4c4ef4","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 770-710-2518; name changed: Ray Meyer -> Levi Willoughby","source":"APT_CON","fields":[{"field":"NAME","old":"RAY MEYER","new":"LEVI WILLOUGHBY"},{"field":"PHONE_NO","old":"256-828-1403","new":"770-710-2518"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"2bdac38efd5c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: right-hand traffic pattern: yes -> no","source":"APT_RWY_END","fields":[{"field":"RIGHT_HAND_TRAFFIC_PAT_FLAG","old":"Y","new":"N"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"b9317979c329","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now 34 ft tall, 1014 ft from threshold, 176 ft left of centerline, clearance slope 23:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"140","new":"176"},{"field":"DIST_FROM_THR","old":"1019","new":"1014"},{"field":"OBSTN_CLNC_SLOPE","old":"25","new":"23"},{"field":"OBSTN_HGT","old":"32","new":"34"}]}],"first_cycle":"2025-07-10","last_cycle":"2026-06-11"}