{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"OYM","counts":{"action":0,"ifr":0,"fyi":2},"changes":[{"id":"c998ddd271cd","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle: TREES 142 ft tall, 3684 ft from threshold, 340 ft left of centerline -> TREES 72 ft tall, 2372 ft from threshold, 523 ft left of centerline; obstacle clearance slope: 24:1 -> 30:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"340","new":"523"},{"field":"DIST_FROM_THR","old":"3684","new":"2372"},{"field":"OBSTN_CLNC_SLOPE","old":"24","new":"30"},{"field":"OBSTN_HGT","old":"142","new":"72"}]},{"id":"708980b1bcd9","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle: TREES 72 ft tall, 2372 ft from threshold, 523 ft left of centerline -> TREES 142 ft tall, 3684 ft from threshold, 340 ft left of centerline; obstacle clearance slope: 30:1 -> 24:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"523","new":"340"},{"field":"DIST_FROM_THR","old":"2372","new":"3684"},{"field":"OBSTN_CLNC_SLOPE","old":"30","new":"24"},{"field":"OBSTN_HGT","old":"72","new":"142"}]}]}