{"schema_version":1,"airport":"M34","entries":[{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"560f4fe958c6","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle changed (now 68 ft tall, 594 ft from threshold, 276 ft left of centerline, clearance slope 5:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"280","new":"276"},{"field":"OBSTN_CLNC_SLOPE","old":"6","new":"5"},{"field":"OBSTN_HGT","old":"62","new":"68"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"01cf604ce0de","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle changed (now 62 ft tall, 594 ft from threshold, 280 ft left of centerline, clearance slope 6:1); Part 77 runway category: utility runway with a visual approach (A(V)) -> utility runway with a nonprecision approach (A(NP))","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"129","new":"280"},{"field":"DIST_FROM_THR","old":"282","new":"594"},{"field":"FAR_PART_77_CODE","old":"A(V)","new":"A(NP)"},{"field":"OBSTN_CLNC_SLOPE","old":"3","new":"6"},{"field":"OBSTN_HGT","old":"21","new":"62"}]}],"first_cycle":"2025-03-20","last_cycle":"2026-04-16"}