{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"ANN","counts":{"action":1,"ifr":1,"fyi":0},"changes":[{"id":"cb98d718658f","priority":"action","category":"navaid","kind":"changed","summary":"ANN (Annette Island) navaid: TACAN/DME status: operational ifr -> operational restricted","source":"NAV_BASE","fields":[{"field":"TACAN_DME_STATUS","old":"OPERATIONAL IFR","new":"OPERATIONAL RESTRICTED"}]},{"id":"65ea0ad7c0c0","priority":"ifr","category":"remark","kind":"changed","summary":"revised navaid remark: VOR unusable 000-100 beyond 9 nautical miles below 6500 feet; 000-100 beyond 11 nautical miles below 12000 feet; 000-100 beyond 15 nautical miles; 120-130 beyond 37 nautical miles below 6000 feet; 185-190 beyond 40 nautical miles; 200-205 beyond 40 nautical miles; 213-221 beyond 40 nautical miles below 8000 feet; 213-221 beyond 66 nautical miles; 222-226 beyond 40 nautical miles below 12000 feet; 222-226 beyond 66 nautical miles; 227-286 beyond 40 nautical miles; 290-320 beyond 32 nautical miles below 7000 feet; 290-320 beyond 37 nautical miles below 9000 feet; 295-303 beyond 40 nautical miles; 304-306 beyond 40 nautical miles below 7000 feet; 304-306 beyond 69 nautical miles; 316-320 beyond 40 nautical miles; 332-344 beyond 40 nautical miles; 345-359 beyond 20 nautical miles.","source":"NAV_RMK","original":"VOR UNUSBL 000-100 BYD 9 NM BLW 6500 FT; 000-100 BYD 11 NM BLW 12000 FT; 000-100 BYD 15 NM; 120-130 BYD 37 NM BLW 6000 FT; 185-190 BYD 40 NM; 200-205 BYD 40 NM; 213-221 BYD 40 NM BLW 8000 FT; 213-221 BYD 66 NM; 222-226 BYD 40 NM BLW 12000 FT; 222-226 BYD 66 NM; 227-286 BYD 40 NM; 290-320 BYD 32 NM BLW 7000 FT; 290-320 BYD 37 NM BLW 9000 FT; 295-303 BYD 40 NM; 304-306 BYD 40 NM BLW 7000 FT; 304-306 BYD 69 NM; 316-320 BYD 40 NM; 332-344 BYD 40 NM; 345-359 BYD 20 NM.","fields":[{"field":"REMARK","old":"VOR UNUSBL 000-100 BYD 9 NM BLW 6500 FT; 000-100 BYD 11 NM BLW 12000 FT; 000-100 BYD 15 NM; 120-130 BYD 37 NM BLW 6000 FT; 290-320 BYD 32 NM BLW 7000 FT; 290-320 BYD 37 NM BLW 9000 FT; 345-000 BYD 20 NM.","new":"VOR UNUSBL 000-100 BYD 9 NM BLW 6500 FT; 000-100 BYD 11 NM BLW 12000 FT; 000-100 BYD 15 NM; 120-130 BYD 37 NM BLW 6000 FT; 185-190 BYD 40 NM; 200-205 BYD 40 NM; 213-221 BYD 40 NM BLW 8000 FT; 213-221 BYD 66 NM; 222-226 BYD 40 NM BLW 12000 FT; 222-226 BYD 66 NM; 227-286 BYD 40 NM; 290-320 BYD 32 NM BLW 7000 FT; 290-320 BYD 37 NM BLW 9000 FT; 295-303 BYD 40 NM; 304-306 BYD 40 NM BLW 7000 FT; 304-306 BYD 69 NM; 316-320 BYD 40 NM; 332-344 BYD 40 NM; 345-359 BYD 20 NM."}]}]}