{"schema_version":1,"airport":"DYR","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"6726945b0483","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.2 via the Dyersburg outlet no longer available","source":"FRQ"},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"ba18161d16a1","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 731-737-9482","source":"AWOS","fields":[{"field":"PHONE_NO","old":"731-287-0300","new":"731-737-9482"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"d35de25a7b10","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0700-1900 -> 0700-1700; attended months: APR-OCT -> ALL","source":"APT_ATT","fields":[{"field":"HOUR","old":"0700-1900","new":"0700-1700"},{"field":"MONTH","old":"APR-OCT","new":"ALL"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"1d673b54381c","priority":"action","category":"airport","kind":"changed","summary":"attended days: ALL -> SAT-SUN; attended months: NOV-MAR -> ALL; attendance schedule number: 4 -> 6","source":"APT_ATT","fields":[{"field":"DAY","old":"ALL","new":"SAT-SUN"},{"field":"MONTH","old":"NOV-MAR","new":"ALL"},{"field":"SKED_SEQ_NO","old":"4","new":"6"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"1365a14b8bff","priority":"action","category":"airport","kind":"removed","summary":"airport attendance schedule: dropped APR-OCT SAT-SUN 0800-1700","source":"APT_ATT"},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"71e23fa2e7f1","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: controlling obstacle changed (now 69 ft tall, 1471 ft from threshold, 370 ft left of centerline, clearance slope 18:1); controlling obstacle: TREES -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"371","new":"370"},{"field":"DIST_FROM_THR","old":"1478","new":"1471"},{"field":"OBSTN_CLNC_SLOPE","old":"22","new":"18"},{"field":"OBSTN_HGT","old":"57","new":"69"},{"field":"OBSTN_TYPE","old":"TREES","new":"TREE"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"f1fda178adb2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: controlling obstacle changed (now , clearance slope 34:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"371","new":""},{"field":"DIST_FROM_THR","old":"780","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"12","new":"34"},{"field":"OBSTN_HGT","old":"47","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]}],"first_cycle":"2025-08-07","last_cycle":"2026-09-03"}