{"schema_version":1,"airport":"71N","entries":[{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"1f19e98f26ed","priority":"fyi","category":"runway","kind":"changed","summary":"runway 05: controlling obstacle changed (now 72 ft tall, 131 ft from threshold, 79 ft right of centerline, clearance slope 1:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"71","new":"79"},{"field":"DIST_FROM_THR","old":"69","new":"131"},{"field":"OBSTN_CLNC_SLOPE","old":"0","new":"1"},{"field":"OBSTN_HGT","old":"76","new":"72"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"8ab21960537b","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: controlling obstacle changed (now 75 ft tall, 335 ft from threshold, 124 ft right of centerline, clearance slope 4:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"103","new":"124"},{"field":"DIST_FROM_THR","old":"401","new":"335"},{"field":"OBSTN_CLNC_SLOPE","old":"10","new":"4"},{"field":"OBSTN_HGT","old":"38","new":"75"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"b0a3ee5ea108","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Controlling obstruction exceeds 45 degree slope.","source":"APT_RMK","original":"CTLNG OBSTN EXCEEDS 45 DEG SLP.","fields":[{"field":"REMARK","old":"APCH RATIO 15:1 TO DSPLCD THLD.","new":"CTLNG OBSTN EXCEEDS 45 DEG SLP."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"86af797ab935","priority":"fyi","category":"runway","kind":"changed","summary":"runway 05: controlling obstacle changed (now 76 ft tall, 69 ft from threshold, 71 ft right of centerline, clearance slope 0:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"96","new":"71"},{"field":"DIST_FROM_THR","old":"99","new":"69"},{"field":"OBSTN_CLNC_SLOPE","old":"1","new":"0"},{"field":"OBSTN_HGT","old":"84","new":"76"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"02070291e93a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: controlling obstacle changed (now 38 ft tall, 401 ft from threshold, 103 ft right of centerline, clearance slope 10:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"11","new":"10"},{"field":"OBSTN_HGT","old":"36","new":"38"}]}],"first_cycle":"2024-12-26","last_cycle":"2025-12-25"}