{"schema_version":1,"airport":"OI23","entries":[{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"a7d2109921d1","priority":"fyi","category":"airport","kind":"changed","summary":"NOTAM facility: none -> FDC","source":"APT_BASE","fields":[{"field":"NOTAM_ID","old":"","new":"FDC"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"b498488c3a6b","priority":"action","category":"airport","kind":"changed","summary":"airport lighting schedule: none -> sunset-sunrise (SS-SR)","source":"APT_BASE","fields":[{"field":"LGT_SKED","old":"","new":"SS-SR"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"e06abee88043","priority":"action","category":"runway","kind":"changed","summary":"runway H1: edge light intensity: none -> perimeter (PERI)","source":"APT_RWY","fields":[{"field":"RWY_LGT_CODE","old":"","new":"PERI"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"08896ce490a7","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: PRVDD OPS ARE CONDUCTED ONLY WHEN WIND IS LESS THAN 15 KT; EGRESS/INGRESS RTES MUST BE OVR THE E BRANCH OF THE BLACK RIVER N OR S WITH THE FINAL INGRESS/EGRESS FM 315 TO 345 DEGS CLKWS FM THE HLP TO THE RIVER.","source":"APT_RMK","original":"PRVDD OPS ARE CONDUCTED ONLY WHEN WIND IS LESS THAN 15 KT; EGRESS/INGRESS RTES MUST BE OVR THE E BRANCH OF THE BLACK RIVER N OR S WITH THE FINAL INGRESS/EGRESS FM 315 TO 345 DEGS CLKWS FM THE HLP TO THE RIVER."},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"d9460204816e","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: 846 -> 726 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"846","new":"726"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"0ef13b9ad9fc","priority":"action","category":"runway","kind":"changed","summary":"runway H1: length: 30 -> 32 ft; width: 30 -> 32 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"30","new":"32"},{"field":"RWY_WIDTH","old":"30","new":"32"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"2410b77c8c62","priority":"fyi","category":"airport","kind":"changed","summary":"direction from the city's business district: none -> E","source":"APT_BASE","fields":[{"field":"DIRECTION_CODE","old":"","new":"E"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"3adbcd9e4a69","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: 867 -> 846 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"867","new":"846"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"a0d23cad4e42","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"a4562f2fc4d9","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact zip+4: none -> 5902","source":"APT_CON","fields":[{"field":"ZIP_PLUS_FOUR","old":"","new":"5902"}]}],"first_cycle":"2025-05-15","last_cycle":"2026-04-16"}