{"schema_version":1,"airport":"MBT","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"8791058de3fc","priority":"fyi","category":"frequency","kind":"added","summary":"frequencies now also listed for arrivals (STARs): 118.4 for ALLLN, JNING and KOMBS; 119.35 for PREDS; 360.7 for ALLLN, JNING and KOMBS; 372.0 for PREDS","source":"FRQ","details":["added: 118.4 ALLLN STAR","added: 118.4 JNING STAR","added: 118.4 KOMBS STAR","added: 119.35 PREDS STAR","added: 360.7 ALLLN STAR","added: 360.7 JNING STAR","added: 360.7 KOMBS STAR","added: 372.0 PREDS STAR"]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"9bc6e8dbae96","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: ALLLN1, JNING1, KOMBS1, PREDS1","source":"STAR/DP","procedures":{"updated":["ALLLN1","JNING1","KOMBS1","PREDS1"],"removed":[]}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"21b52b536674","priority":"ifr","category":"chart","kind":"added","summary":"arrival ALLLN ONE (RNAV) added","source":"D-TPP","chart":{"code":"STR","name":"ALLLN ONE (RNAV)","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00895ALLLN.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"bd3d851aebb2","priority":"ifr","category":"chart","kind":"added","summary":"arrival JNING ONE (RNAV) added","source":"D-TPP","chart":{"code":"STR","name":"JNING ONE (RNAV)","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00895JNING.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"485d1fbaa3e5","priority":"ifr","category":"chart","kind":"added","summary":"arrival KOMBS ONE (RNAV) added","source":"D-TPP","chart":{"code":"STR","name":"KOMBS ONE (RNAV)","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00895KOMBS.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"8c2e24902f6b","priority":"ifr","category":"chart","kind":"added","summary":"arrival PREDS ONE (RNAV) added","source":"D-TPP","chart":{"code":"STR","name":"PREDS ONE (RNAV)","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00895PREDS.PDF"}},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"d1d744391cc8","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now 57 ft tall, 1801 ft from threshold, 487 ft left of centerline, clearance slope 28:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"271","new":"487"},{"field":"DIST_FROM_THR","old":"1984","new":"1801"},{"field":"OBSTN_CLNC_SLOPE","old":"29","new":"28"},{"field":"OBSTN_HGT","old":"61","new":"57"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"f30ba1a31d18","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: controlling obstacle changed (now 88 ft tall, 1681 ft from threshold, 292 ft left of centerline, clearance slope 16:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"118","new":"292"},{"field":"DIST_FROM_THR","old":"1281","new":"1681"},{"field":"OBSTN_CLNC_SLOPE","old":"17","new":"16"},{"field":"OBSTN_HGT","old":"62","new":"88"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"9f4be8e6e78f","priority":"action","category":"runway","kind":"changed","summary":"runway 18/36: length: 4753 -> 4750 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"4753","new":"4750"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"b56492466d54","priority":"action","category":"runway","kind":"changed","summary":"runway 36: displaced threshold elevation: none -> 614.2 ft MSL; displaced threshold: none -> 300 ft; runway end elevation: 613.6 -> 613.7 ft MSL; touchdown zone elevation: 614.1 -> 614.2 ft MSL; threshold crossing height: 25 -> 47 ft AGL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"","new":"614.2"},{"field":"DISPLACED_THR_LEN","old":"","new":"300"},{"field":"RWY_END_ELEV","old":"613.6","new":"613.7"},{"field":"TDZ_ELEV","old":"614.1","new":"614.2"},{"field":"THR_CROSSING_HGT","old":"25","new":"47"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"5603d7a9afc1","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: runway end elevation: 600 -> 598.1 ft MSL; touchdown zone elevation: 609 -> 610.7 ft MSL; threshold crossing height: 18 -> 20 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"600","new":"598.1"},{"field":"TDZ_ELEV","old":"609","new":"610.7"},{"field":"THR_CROSSING_HGT","old":"18","new":"20"}]}],"first_cycle":"2025-03-20","last_cycle":"2026-10-01"}