{"schema_version":1,"airport":"IOB","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"168c6e7de880","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager address: 709 AIRPORT ROAD -> 709 AIRPORT RD; airport manager city: MT. STERLING -> MOUNT STERLING; airport manager zip+4: none -> 8113","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"709 AIRPORT ROAD","new":"709 AIRPORT RD"},{"field":"TITLE_CITY","old":"MT. STERLING","new":"MOUNT STERLING"},{"field":"ZIP_PLUS_FOUR","old":"","new":"8113"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"b55cd95e6ae8","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: 709 AIRPORT ROAD -> 709 AIRPORT RD; airport owner city: MT. STERLING -> MOUNT STERLING; airport owner zip+4: none -> 8113","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"709 AIRPORT ROAD","new":"709 AIRPORT RD"},{"field":"TITLE_CITY","old":"MT. STERLING","new":"MOUNT STERLING"},{"field":"ZIP_PLUS_FOUR","old":"","new":"8113"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"e92cb1e1a81d","priority":"fyi","category":"airport","kind":"changed","summary":"land area: 53 -> 120 acres","source":"APT_BASE","fields":[{"field":"ACREAGE","old":"53","new":"120"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"24c3bfe0a8f0","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: visual glide slope indicator: 2-light PAPI on left side of runway (P2L) -> 4-light PAPI on left side of runway (P4L)","source":"APT_RWY_END","fields":[{"field":"VGSI_CODE","old":"P2L","new":"P4L"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"9c4f79ded032","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: visual glide slope indicator: 2-light PAPI on left side of runway (P2L) -> 4-light PAPI on left side of runway (P4L)","source":"APT_RWY_END","fields":[{"field":"VGSI_CODE","old":"P2L","new":"P4L"}]},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"fabd0437a195","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: runway end elevation: 1019.3 -> 1019.4 ft MSL; touchdown zone elevation: 1019.3 -> 1019.5 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"1019.3","new":"1019.4"},{"field":"TDZ_ELEV","old":"1019.3","new":"1019.5"}]},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"9f99d56ad91e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: runway end elevation: 983.7 -> 983.8 ft MSL; touchdown zone elevation: 1006.7 -> 1006.8 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"983.7","new":"983.8"},{"field":"TDZ_ELEV","old":"1006.7","new":"1006.8"}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"ba13e9976991","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 122.8 no longer listed for UNICOM","source":"FRQ","fields":[{"field":"FREQ_USE","old":"UNICOM","new":""}]}],"first_cycle":"2025-01-23","last_cycle":"2026-10-01"}