{"schema_version":1,"airport":"BIS","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"bfcf2b91889b","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.2 via the Bismarck outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"02b058c2570f","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD WHEN ATCT CLSD CTC MINNEAPOLIS ARTCC AT 651-463-5588.","source":"APT_RMK","original":"FOR CD WHEN ATCT CLSD CTC MINNEAPOLIS ARTCC AT 651-463-5588.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.","new":"FOR CD WHEN ATCT CLSD CTC MINNEAPOLIS ARTCC AT 651-463-5588."}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"7b1b7e0a31d9","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: threshold crossing height: 48 -> 40 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"48","new":"40"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"c3cdd5957ce8","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: threshold crossing height: 48 -> 52 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"48","new":"52"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"a03b3799719d","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 701-922-9747","source":"AWOS","fields":[{"field":"PHONE_NO","old":"701-255-7563","new":"701-922-9747"}]}],"first_cycle":"2025-03-20","last_cycle":"2026-09-03"}