{"schema_version":1,"airport":"OSH","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ab4cabc2b25b","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 36 redrawn (still amdt 7D)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 36","amdt":"7D","pdf":"https://aeronav.faa.gov/d-tpp/2609/00730IL36.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ce350c1472ff","priority":"ifr","category":"chart","kind":"changed","summary":"approach LOC BC RWY 18 redrawn (still amdt 7C)","source":"D-TPP","chart":{"code":"IAP","name":"LOC BC RWY 18","amdt":"7C","pdf":"https://aeronav.faa.gov/d-tpp/2609/00730LBC18.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"7cb6bf4cd30b","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR RWY 09 redrawn (still amdt 10D)","source":"D-TPP","chart":{"code":"IAP","name":"VOR RWY 09","amdt":"10D","pdf":"https://aeronav.faa.gov/d-tpp/2609/00730V9.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"f0894ca113fb","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR RWY 18 redrawn (still amdt 8C)","source":"D-TPP","chart":{"code":"IAP","name":"VOR RWY 18","amdt":"8C","pdf":"https://aeronav.faa.gov/d-tpp/2609/00730V18.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"87980fbf18dc","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR RWY 27 redrawn (still amdt 5B)","source":"D-TPP","chart":{"code":"IAP","name":"VOR RWY 27","amdt":"5B","pdf":"https://aeronav.faa.gov/d-tpp/2609/00730V27.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"f67ca1b199c1","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR RWY 36 redrawn (still amdt 17C)","source":"D-TPP","chart":{"code":"IAP","name":"VOR RWY 36","amdt":"17C","pdf":"https://aeronav.faa.gov/d-tpp/2609/00730V36.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"34ee9e877128","priority":"fyi","category":"navaid","kind":"changed","summary":"OSH (Oshkosh) navaid: simultaneous voice: yes -> no; voice call: GREEN BAY RADIO -> NONE","source":"NAV_BASE","fields":[{"field":"SIMUL_VOICE_FLAG","old":"Y","new":"N"},{"field":"VOICE_CALL","old":"GREEN BAY RADIO","new":"NONE"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"c1aa43c97c4a","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.1R via the Oshkosh outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"e0b641c5deed","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.3 via the Oshkosh outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"5eaf70f16b05","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD WHEN ATCT CLSD CTC CHICAGO ARTCC AT 630-906-8921.","source":"APT_RMK","original":"FOR CD WHEN ATCT CLSD 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 WHEN ATCT CLSD CTC CHICAGO ARTCC AT 630-906-8921."}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"4c53e31fc670","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR RWY 09 amended (amdt 10D)","source":"D-TPP","chart":{"code":"IAP","name":"VOR RWY 09","amdt":"10D","pdf":"https://aeronav.faa.gov/d-tpp/2607/00730V9.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"d0a17ff812ab","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR RWY 36 amended (amdt 17C)","source":"D-TPP","chart":{"code":"IAP","name":"VOR RWY 36","amdt":"17C","pdf":"https://aeronav.faa.gov/d-tpp/2607/00730V36.PDF"}},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"7c29007291eb","priority":"action","category":"navaid","kind":"changed","summary":"OSH (Oshkosh) navaid: now a VOR/DME (was a VORTAC)","source":"NAV_BASE","fields":[{"field":"NAV_TYPE","old":"VORTAC","new":"VOR/DME"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"7ef496bf18ce","priority":"action","category":"airspace","kind":"changed","summary":"airspace is now: class d svc 16 mar-31 oct 0600-2200, 1 nov-15 mar 0600-2100; other times class g (was: class d svc 0600-2200; other times class g)","source":"CLS_ARSP","fields":[{"field":"AIRSPACE_HRS","old":"CLASS D SVC 0600-2200; OTHER TIMES CLASS G","new":"CLASS D SVC 16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100; OTHER TIMES CLASS G"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"cfb927d3c16a","priority":"action","category":"frequency","kind":"changed","summary":"frequency 116.75/114Y now listed for OSH VOR/DME (was OSH VORTAC); served facility type: VORTAC -> VOR/DME","source":"FRQ","fields":[{"field":"FREQ_USE","old":"OSH VORTAC","new":"OSH VOR/DME"},{"field":"SERVICED_SITE_TYPE","old":"VORTAC","new":"VOR/DME"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"25d04f4715de","priority":"action","category":"tower","kind":"changed","summary":"tower hours changed: 0600-2200 -> 16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100 local","source":"ATC_BASE","fields":[{"field":"TWR_HRS","old":"0600-2200","new":"16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"b9b138857cd0","priority":"action","category":"airport","kind":"added","summary":"airport attendance schedule: added SAT-SUN 0800-1700","source":"APT_ATT"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"16587a82286a","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0700-2000 -> 0700-1900; attended days: ALL -> MON-FRI","source":"APT_ATT","fields":[{"field":"DAY","old":"ALL","new":"MON-FRI"},{"field":"HOUR","old":"0700-2000","new":"0700-1900"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"83d6fa0b15b6","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: FOR ARPT ATTENDANT OTR HRS CALL 920-236-7827.","source":"APT_RMK","original":"FOR ARPT ATTENDANT OTR HRS CALL 920-236-7827."},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"f7d2baa81b25","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: A+ AND 100LL AVBL FOR FEE AFTER HRS, 920-236-7827.","source":"APT_RMK","original":"A+ AND 100LL AVBL FOR FEE AFTER HRS, 920-236-7827.","fields":[{"field":"REMARK","old":"A+ AND 100LL AVBL 0700-1900++ MON-FRI, 0800-1700++ SAT-SUN, C920-236-7827 (AFTER HRS FEE $50).","new":"A+ AND 100LL AVBL FOR FEE AFTER HRS, 920-236-7827."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"708eb458532b","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: APCH RATIO 34:1 TO DTHR.","source":"APT_RMK","original":"APCH RATIO 34:1 TO DTHR.","fields":[{"field":"REMARK","old":"APCH RATIO 34:1 TO DSPLCD THR.","new":"APCH RATIO 34:1 TO DTHR."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"78814376b4c2","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: JSCHELL@WINNEBAGOCOUNTYWI.GOV.","source":"APT_RMK","original":"JSCHELL@WINNEBAGOCOUNTYWI.GOV.","fields":[{"field":"REMARK","old":"EMAIL ADDRESS: JSCHELL@WINNEBAGOCOUNTYWI.GOV (ALL LOWER CASE).","new":"JSCHELL@WINNEBAGOCOUNTYWI.GOV."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"1e74fa937ff9","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: WHEN ATCT CLSD, ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF. HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY.","source":"APT_RMK","original":"WHEN ATCT CLSD, ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF. HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY.","fields":[{"field":"REMARK","old":"ACTVT MALSR RWY 36; HIRL RWY 09/27 - CTAF. HIRL 18/36 PRESET ON MED INTST, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY.","new":"WHEN ATCT CLSD, ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF. HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"fcc52a272bb7","priority":"fyi","category":"frequency","kind":"changed","summary":"remark: ACTVT MALSR RWY 36; HIRL RWY 09/27 - CTAF. HIRL 18/36 PRESET ON MED INTST, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY. -> WHEN ATCT CLSD, ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF. HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT MALSR RWY 36; HIRL RWY 09/27 - CTAF. HIRL 18/36 PRESET ON MED INTST, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY.","new":"WHEN ATCT CLSD, ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF. HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"9f4e9da6ee6f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 05: markings now in fair condition","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_COND","old":"GOOD","new":"FAIR"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"adffde39f961","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: markings now in fair condition","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_COND","old":"GOOD","new":"FAIR"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"c24890b99581","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: controlling obstacle changed (now 21 ft tall, 500 ft from threshold, 155 ft left of centerline, clearance slope 14:1); markings now in fair condition; controlling obstacle: none -> RR","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"155"},{"field":"DIST_FROM_THR","old":"","new":"500"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"14"},{"field":"OBSTN_HGT","old":"","new":"21"},{"field":"OBSTN_TYPE","old":"","new":"RR"},{"field":"RWY_MARKING_COND","old":"GOOD","new":"FAIR"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"1d6405f05237","priority":"fyi","category":"runway","kind":"changed","summary":"runway 27: controlling obstacle changed (now 37 ft tall, 720 ft from threshold, 150 ft right of centerline, clearance slope 14:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"160","new":"150"},{"field":"DIST_FROM_THR","old":"750","new":"720"},{"field":"OBSTN_HGT","old":"39","new":"37"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"00f8abe55c31","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: markings now in fair condition","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_COND","old":"GOOD","new":"FAIR"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"e3c4e1531620","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: controlling obstacle changed (now 61 ft tall, 3000 ft from threshold, 185 ft left of centerline, clearance slope 45:1); controlling obstacle: none -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"185"},{"field":"DIST_FROM_THR","old":"","new":"3000"},{"field":"OBSTN_CLNC_SLOPE","old":"50","new":"45"},{"field":"OBSTN_HGT","old":"","new":"61"},{"field":"OBSTN_TYPE","old":"","new":"TREES"}]}],"first_cycle":"2025-10-02","last_cycle":"2026-09-03"}