{"schema_version":1,"airport":"02A","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"31e550633c05","priority":"fyi","category":"runway","kind":"changed","summary":"runway 26: controlling obstacle: TREE 35 ft tall, 800 ft from threshold, 133 ft right of centerline -> none listed; obstacle clearance slope: 17:1 -> 34:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"133","new":""},{"field":"DIST_FROM_THR","old":"800","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"17","new":"34"},{"field":"OBSTN_HGT","old":"35","new":""},{"field":"OBSTN_TYPE","old":"TREE","new":""}]}],"first_cycle":"2026-10-01","last_cycle":"2026-10-01"}