{"schema_version":1,"airport":"MTH","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"13bfa0ccb514","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.6 via the Marathon outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"52ef43c0d2f8","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD CTC MIAMI ARTCC AT 305-716-1731.","source":"APT_RMK","original":"FOR CD CTC MIAMI ARTCC AT 305-716-1731.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC MIAMI ARTCC AT 305-716-1731.","new":"FOR CD CTC MIAMI ARTCC AT 305-716-1731."}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"26401e23385a","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/SE3TO.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"4ccff701dfa0","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 07 amended (amdt 1)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 07","amdt":"1","pdf":"https://aeronav.faa.gov/d-tpp/2607/06394R7.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"69e70e788526","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 25 amended (amdt 2)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 25","amdt":"2","pdf":"https://aeronav.faa.gov/d-tpp/2607/06394R25.PDF"}},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"65e32713f918","priority":"fyi","category":"remark","kind":"added","summary":"new remark: ACFT MUST USE TWY A4 FOR RWY 25 FULL LEN DEP, NO RWY ACES BYD TXY A4.","source":"APT_RMK","original":"ACFT MUST USE TWY A4 FOR RWY 25 FULL LEN DEP, NO RWY ACES BYD TXY A4."},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"cd215c71b17a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07/25: pavement now in excellent condition","source":"APT_RWY","fields":[{"field":"COND","old":"FAIR","new":"EXCELLENT"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"5890fd77558f","priority":"action","category":"remark","kind":"changed","summary":"remark updated: 24 HR PPR FOR ACFT EQUIPPED WITH WEATHER MODIFICATION OR GEOENGINEERING EQPT 305.289.6302.","source":"APT_RMK","original":"24 HR PPR FOR ACFT EQUIPPED WITH WEATHER MODIFICATION OR GEOENGINEERING EQPT 305.289.6302.","fields":[{"field":"REMARK","old":"TWY A RESTRICTIONS MAY APPLY TO ACFT WITH A WINGSPAN OF 79 FT OR GREATER WHEN ACFT ARE LDG OR TAKING OFF ON RWY 07-25. ARPT OPR NOTIFICATION WILL BE TRANSMITTED ON CTAF 122.975.","new":"24 HR PPR FOR ACFT EQUIPPED WITH WEATHER MODIFICATION OR GEOENGINEERING EQPT 305.289.6302."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"d26afd1f02ee","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.; TWY A RESTRICTIONS MAY APPLY TO ACFT WITH A WINGSPAN OF 79 FT OR GREATER WHEN ACFT ARE LDG OR TAKING OFF ON RWY 07-25. ARPT OPR NOTIFICATION WILL BE TRANSMITTED ON CTAF 122.975. -> ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.; TWY A RESTRICTIONS MAY APPLY TO ACFT WITH A WINGSPAN OF 79 FT OR GREATER WHEN ACFT ARE LDG OR TAKING OFF ON RWY 07-25. ARPT OPR NOTIFICATION WILL BE TRANSMITTED ON CTAF 122.975.","new":"ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF."}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"602436562c83","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: This airport has been surveyed by the National Geodetic Survey.","source":"APT_RMK","original":"THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY."},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"dff0b8ed0413","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07: runway end elevation: 4.6 -> 5.6 ft MSL; touchdown zone elevation: 4.7 -> 5.6 ft MSL; threshold crossing height: 24 -> 25 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"4.6","new":"5.6"},{"field":"TDZ_ELEV","old":"4.7","new":"5.6"},{"field":"THR_CROSSING_HGT","old":"24","new":"25"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"2d75574db370","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: runway end elevation: 5.2 -> 7.3 ft MSL; touchdown zone elevation: 5.2 -> 7.3 ft MSL; threshold crossing height: 24 -> 26 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"5.2","new":"7.3"},{"field":"TDZ_ELEV","old":"5.2","new":"7.3"},{"field":"THR_CROSSING_HGT","old":"24","new":"26"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"3a949071c7b9","priority":"action","category":"remark","kind":"removed","summary":"remark removed: 24 HR PPR FOR ACFT WITH WINGSPAN 95 FT OR GTR. RWY 07/25 HAS 200 FT NONSTANDARD SEPN DIST FM TWY TO RWY CNTRLN - AMGR OR 305-743-1995.","source":"APT_RMK","original":"24 HR PPR FOR ACFT WITH WINGSPAN 95 FT OR GTR. RWY 07/25 HAS 200 FT NONSTANDARD SEPN DIST FM TWY TO RWY CNTRLN - AMGR OR 305-743-1995."},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"690b78775a78","priority":"action","category":"remark","kind":"removed","summary":"remark removed: TWY A CLSD TO ACFT WITH WINGSPAN 79 FT OR GTR WHEN ACFT WITH WINGSPAN OF 95 FT OR GTR LDG OR TKOF RWY 07/25.","source":"APT_RMK","original":"TWY A CLSD TO ACFT WITH WINGSPAN 79 FT OR GTR WHEN ACFT WITH WINGSPAN OF 95 FT OR GTR LDG OR TKOF RWY 07/25."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"c23fda5f1444","priority":"action","category":"remark","kind":"added","summary":"new remark: TWY A RESTRICTIONS MAY APPLY TO ACFT WITH A WINGSPAN OF 79 FT OR GREATER WHEN ACFT ARE LDG OR TAKING OFF ON RWY 07-25. ARPT OPR NOTIFICATION WILL BE TRANSMITTED ON CTAF 122.975.","source":"APT_RMK","original":"TWY A RESTRICTIONS MAY APPLY TO ACFT WITH A WINGSPAN OF 79 FT OR GREATER WHEN ACFT ARE LDG OR TAKING OFF ON RWY 07-25. ARPT OPR NOTIFICATION WILL BE TRANSMITTED ON CTAF 122.975."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"e696063032d0","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF. -> ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.; TWY A RESTRICTIONS MAY APPLY TO ACFT WITH A WINGSPAN OF 79 FT OR GREATER WHEN ACFT ARE LDG OR TAKING OFF ON RWY 07-25. ARPT OPR NOTIFICATION WILL BE TRANSMITTED ON CTAF 122.975.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.","new":"ACTVT REIL RWY 07; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.; TWY A RESTRICTIONS MAY APPLY TO ACFT WITH A WINGSPAN OF 79 FT OR GREATER WHEN ACFT ARE LDG OR TAKING OFF ON RWY 07-25. ARPT OPR NOTIFICATION WILL BE TRANSMITTED ON CTAF 122.975."}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"19ae6c23d0e2","priority":"action","category":"navaid","kind":"removed","summary":"MTH NDB (260) decommissioned/removed","source":"NAV_BASE"},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"e374feb283e0","priority":"action","category":"frequency","kind":"removed","summary":"frequency 260.0 (MTH NDB) removed","source":"FRQ"}],"first_cycle":"2025-06-12","last_cycle":"2026-09-03"}