{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"UNK","counts":{"action":1,"ifr":1,"fyi":0},"changes":[{"id":"c5d90c80c46f","priority":"action","category":"navaid","kind":"changed","summary":"UNK (Unalakleet) navaid: status: OPERATIONAL IFR -> OPERATIONAL RESTRICTED","source":"NAV_BASE","fields":[{"field":"NAV_STATUS","old":"OPERATIONAL IFR","new":"OPERATIONAL RESTRICTED"}]},{"id":"469643ac1e43","priority":"ifr","category":"remark","kind":"added","summary":"new navaid remark: VOR unusable 026-041 beyond 40 nautical miles; 042-048 beyond 40 nautical miles below 6000 feet; 042-048 beyond 57 nautical miles; 064-089 beyond 40 nautical miles; 090-100 beyond 51 nautical miles below 8000 feet; 101-169 beyond 40 nautical miles; 170-173 beyond 40 nautical miles below 11000 feet; 294-020 beyond 40 nautical miles.","source":"NAV_RMK","original":"VOR UNUSBL 026-041 BYD 40 NM; 042-048 BYD 40 NM BLW 6000 FT; 042-048 BYD 57 NM; 064-089 BYD 40 NM; 090-100 BYD 51 NM BLW 8000 FT; 101-169 BYD 40 NM; 170-173 BYD 40 NM BLW 11000 FT; 294-020 BYD 40 NM."}]}