{"schema_version":1,"airport":"BIL","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"d144f0123180","priority":"action","category":"remark","kind":"added","summary":"new remark: SAID in use; operate transponders with altitude reporting mode and ADS-B (if equipped) enabled on all airport surfaces.","source":"ATC_RMK","original":"SAID IN USE. OPERATE TRANSPONDERS WITH ALTITUDE REPORTING MODE AND ADS-B (IF EQUIPPED) ENABLED ON ALL AIRPORT SURFACES."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"34767b4692fd","priority":"ifr","category":"chart","kind":"changed","summary":"departure BILLINGS FIVE changed","source":"D-TPP","chart":{"code":"DP","name":"BILLINGS FIVE","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00048BILLINGS.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"c95f32058c0c","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.3 via the Billings outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"9d73ebbecdb0","priority":"fyi","category":"chart","kind":"changed","summary":"airport diagram changed","source":"D-TPP","chart":{"code":"APD","name":"AIRPORT DIAGRAM","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00048AD.PDF"}},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"bd5ff5bb1c4f","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 406-503-0719","source":"AWOS","fields":[{"field":"PHONE_NO","old":"406-255-2790","new":"406-503-0719"}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"9cb2c2045902","priority":"fyi","category":"remark","kind":"added","summary":"new remark: PILOTS CONDUCTING EFVS OPS; BE AWARE LED ALS IN USE RWY 10L.","source":"APT_RMK","original":"PILOTS CONDUCTING EFVS OPS; BE AWARE LED ALS IN USE RWY 10L."},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"1cc308963b0d","priority":"action","category":"navaid","kind":"removed","summary":"ILS/DME RWY 10L (BIL): middle marker removed","source":"ILS_MKR","fields":[{"field":"RWY_END_ID","old":"10L","new":""},{"field":"ILS_LOC_ID","old":"BIL","new":""},{"field":"SYSTEM_TYPE_CODE","old":"LD","new":""},{"field":"ILS_COMP_TYPE_CODE","old":"MM","new":""},{"field":"COMPONENT_STATUS","old":"OPERATIONAL IFR","new":""}]}],"first_cycle":"2025-03-20","last_cycle":"2026-09-03"}