{"schema_version":1,"airport":"BFD","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"fbe9520942b6","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 32 redrawn (still amdt 13)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 32","amdt":"13","pdf":"https://aeronav.faa.gov/d-tpp/2609/00926IL32.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"fb15615e9c95","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.2 via the Bradford outlet no longer available","source":"FRQ"},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"041314e5e7fe","priority":"fyi","category":"runway","kind":"changed","summary":"runway 05: controlling obstacle changed (now 13 ft tall, 331 ft from threshold, 82 ft left of centerline, clearance slope 10:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"78","new":"82"},{"field":"DIST_FROM_THR","old":"329","new":"331"},{"field":"OBSTN_CLNC_SLOPE","old":"11","new":"10"},{"field":"OBSTN_HGT","old":"12","new":"13"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"f2a6cb87602d","priority":"fyi","category":"runway","kind":"changed","summary":"runway 14: controlling obstacle changed (now 34 ft tall, 1179 ft from threshold, 483 ft right of centerline, clearance slope 28:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"480","new":"483"},{"field":"DIST_FROM_THR","old":"1171","new":"1179"},{"field":"OBSTN_CLNC_SLOPE","old":"32","new":"28"},{"field":"OBSTN_HGT","old":"31","new":"34"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"646fd17e47a2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: controlling obstacle changed (now 25 ft tall, 671 ft from threshold, 33 ft left of centerline, clearance slope 18:1); controlling obstacle: none -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"33"},{"field":"DIST_FROM_THR","old":"","new":"671"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"18"},{"field":"OBSTN_HGT","old":"","new":"25"},{"field":"OBSTN_TYPE","old":"","new":"TREE"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"4485b44ae8f6","priority":"fyi","category":"runway","kind":"changed","summary":"runway 32: controlling obstacle changed (now 73 ft tall, 2872 ft from threshold, 863 ft left of centerline, clearance slope 36:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"35","new":"36"},{"field":"OBSTN_HGT","old":"77","new":"73"}]}],"first_cycle":"2025-05-15","last_cycle":"2026-09-03"}