{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"S17","counts":{"action":1,"ifr":0,"fyi":3},"changes":[{"id":"4256af016755","priority":"action","category":"runway","kind":"changed","summary":"runway 24: displaced threshold: 421 ft -> none; runway end elevation: none -> 536.7 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_LEN","old":"421","new":""},{"field":"RWY_END_ELEV","old":"","new":"536.7"}]},{"id":"17fe8c5368a7","priority":"fyi","category":"airport","kind":"changed","summary":"distance from the city's business district: 4 -> 6","source":"APT_BASE","fields":[{"field":"DIST_CITY_TO_AIRPORT","old":"4","new":"6"}]},{"id":"85da0c758c86","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Runway 06 approach ratio 20 to 1 to displaced runway threshold.","source":"APT_RMK","original":"RWY 06 APCH RATIO 20:1 TO DTHR.","fields":[{"field":"REMARK","old":"RY 06 APCH RATIO 20:1 TO DSPLCD THLD.","new":"RWY 06 APCH RATIO 20:1 TO DTHR."}]},{"id":"7da46fee4507","priority":"fyi","category":"runway","kind":"changed","summary":"runway 06: displaced threshold elevation: none -> 515.9 ft MSL; runway end elevation: none -> 512.9 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"","new":"515.9"},{"field":"RWY_END_ELEV","old":"","new":"512.9"}]}]}