{"schema_version":1,"airport":"OTM","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"a2bf6030968c","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.4 via the Ottumwa outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"214c40342737","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: For clearance contact CHICAGO ARTCC at 630-906-8921.","source":"APT_RMK","original":"FOR CD CTC CHICAGO ARTCC AT 630-906-8921.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC CHICAGO ARTCC AT 630-906-8921.","new":"FOR CD CTC CHICAGO ARTCC AT 630-906-8921."}]},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"b786f8f3319b","priority":"ifr","category":"chart","kind":"changed","summary":"minimums page (TAKEOFF MINIMUMS) changed","source":"D-TPP","chart":{"code":"MIN","name":"TAKEOFF MINIMUMS","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2608/NC3TO.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"4051bc267d98","priority":"ifr","category":"chart","kind":"changed","summary":"minimums page (TAKEOFF MINIMUMS) changed","source":"D-TPP","chart":{"code":"MIN","name":"TAKEOFF MINIMUMS","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2607/NC3TO.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"db1c2cfbc91b","priority":"ifr","category":"chart","kind":"changed","summary":"minimums page (ALTERNATE MINIMUMS) changed","source":"D-TPP","chart":{"code":"MIN","name":"ALTERNATE MINIMUMS","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2607/NC3ALT.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"ab2aec270f3d","priority":"ifr","category":"chart","kind":"added","summary":"approach RNAV (GPS) RWY 04 added","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 04","amdt":"0","pdf":"https://aeronav.faa.gov/d-tpp/2607/00915R4.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"54b4a362698c","priority":"ifr","category":"chart","kind":"added","summary":"approach RNAV (GPS) RWY 22 added","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 22","amdt":"0","pdf":"https://aeronav.faa.gov/d-tpp/2607/00915R22.PDF"}},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"b0ae6b4dfa3d","priority":"action","category":"navaid","kind":"changed","summary":"OTM (Ottumwa) navaid: frequency changed: 111.6 -> 116.35; TACAN channel: 53X -> 110Y","source":"NAV_BASE","fields":[{"field":"CHAN","old":"53X","new":"110Y"},{"field":"FREQ","old":"111.6","new":"116.35"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"7ed79e624bca","priority":"action","category":"frequency","kind":"removed","summary":"frequency 111.6/53X (OTM DME) removed","source":"FRQ"},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"54fe8597b0e5","priority":"action","category":"frequency","kind":"added","summary":"frequency 116.35/110Y (OTM DME) added","source":"FRQ"},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"a3a73790b29d","priority":"action","category":"navaid","kind":"changed","summary":"OTM (Ottumwa) navaid: frequency changed:  -> 111.6","source":"NAV_BASE","fields":[{"field":"FREQ","old":"","new":"111.6"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"ca0330173a45","priority":"action","category":"frequency","kind":"added","summary":"frequency 111.6/53X (OTM DME) added","source":"FRQ"},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"17437028179f","priority":"action","category":"navaid","kind":"changed","summary":"runway 31: remark: GS UNUSBL FOR COUPLED APCHS BLO 1160 FT. -> GS UNUSBL FOR COUPLED APCHS BLO 1700 FT.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"GS UNUSBL FOR COUPLED APCHS BLO 1160 FT.","new":"GS UNUSBL FOR COUPLED APCHS BLO 1700 FT."}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"f1bf4e014a73","priority":"action","category":"navaid","kind":"changed","summary":"OTM (Ottumwa) navaid: now a DME (was a VOR/DME); frequency changed: 111.6 -> ","source":"NAV_BASE","fields":[{"field":"FREQ","old":"111.6","new":""},{"field":"NAV_TYPE","old":"VOR/DME","new":"DME"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"b320a758d985","priority":"action","category":"navaid","kind":"added","summary":"ILS/DME RWY 31 (OTM): new DME","source":"ILS_DME","fields":[{"field":"RWY_END_ID","old":"","new":"31"},{"field":"ILS_LOC_ID","old":"","new":"OTM"},{"field":"SYSTEM_TYPE_CODE","old":"","new":"LD"},{"field":"COMPONENT_STATUS","old":"","new":"OPERATIONAL IFR"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"19c50d1662f8","priority":"action","category":"frequency","kind":"removed","summary":"frequency 111.6/53X (OTM VOR/DME) removed","source":"FRQ"},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"6b358ea34484","priority":"fyi","category":"navaid","kind":"removed","summary":"removed navaid remark: VOR UNUSBLE 100-148 WI 10 NM BLW 3000 FT; 100-148 BYD 10 NM BLW 5000 FT; 100-148 BYD 21 NM; 215-235 BYD 10 NM BLW 5000.","source":"NAV_RMK","original":"VOR UNUSBLE 100-148 WI 10 NM BLW 3000 FT; 100-148 BYD 10 NM BLW 5000 FT; 100-148 BYD 21 NM; 215-235 BYD 10 NM BLW 5000."},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"d12787d7dd60","priority":"action","category":"navaid","kind":"changed","summary":"runway 31: ILS type: ILS (LS) -> ILS/DME (LD)","source":"ILS_BASE","fields":[{"field":"SYSTEM_TYPE_CODE","old":"LS","new":"LD"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"621bf9991e32","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: instrument landing system: instrument landing system (ILS) -> instrument landing system/distance measuring equipment (ILS/DME)","source":"APT_RWY_END","fields":[{"field":"ILS_TYPE","old":"ILS","new":"ILS/DME"}]}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}