{"schema_version":1,"airport":"IMS","entries":[{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"303909cd1dff","priority":"fyi","category":"airport","kind":"changed","summary":"name changed: Madison Muni -> Madison Rgnl","source":"APT_BASE","fields":[{"field":"ARPT_NAME","old":"MADISON MUNI","new":"MADISON RGNL"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"b6c4a4b802cf","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0800-1730 -> 0800-1800","source":"APT_ATT","fields":[{"field":"HOUR","old":"0800-1730","new":"0800-1800"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"6308510a9996","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 812-273-1914","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"812-265-8316","new":"812-273-1914"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"2e0be3ce6d87","priority":"fyi","category":"airport","kind":"changed","summary":"services: added air ambulance services (AMB)","source":"APT_BASE","fields":[{"field":"OTHER_SERVICES","old":"AGRI,INSTR,RNTL","new":"AGRI,AMB,INSTR,RNTL"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"6c6a5b8a0d32","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: controlling obstacle changed (now 10 ft tall, 201 ft from threshold, 0 ft either side of centerline, clearance slope 20:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"0","new":"20"}]}],"first_cycle":"2025-09-04","last_cycle":"2025-12-25"}