{"schema_version":1,"airport":"4TN9","entries":[{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"cc35566dcb1c","priority":"action","category":"runway","kind":"changed","summary":"runway 11/29: length: 2900 -> 3119 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"2900","new":"3119"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"1049a70e4fa1","priority":"fyi","category":"runway","kind":"changed","summary":"runway 11: right-hand traffic pattern: yes -> no; runway end elevation: 370.6 -> 368.9 ft MSL","source":"APT_RWY_END","fields":[{"field":"RIGHT_HAND_TRAFFIC_PAT_FLAG","old":"Y","new":"N"},{"field":"RWY_END_ELEV","old":"370.6","new":"368.9"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"b0e1cfe2fb55","priority":"fyi","category":"runway","kind":"changed","summary":"runway 29: right-hand traffic pattern: none -> yes; runway end elevation: 372.4 -> 373 ft MSL","source":"APT_RWY_END","fields":[{"field":"RIGHT_HAND_TRAFFIC_PAT_FLAG","old":"","new":"Y"},{"field":"RWY_END_ELEV","old":"372.4","new":"373"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"a94eba85a2c2","priority":"fyi","category":"airport","kind":"added","summary":"new airport added to FAA database: Island Bend Farms, runway 11/29 2900x80 ft turf","source":"APT_BASE"}],"first_cycle":"2025-08-07","last_cycle":"2026-01-22"}