{"schema_version":1,"airport":"LCH","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"7f23ca4f3830","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.3 via the Lake Charles outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"001f02c5b057","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD WHEN ATCT CLSD CTC HOUSTON ARTCC AT 281-230-5622.","source":"APT_RMK","original":"FOR CD WHEN ATCT CLSD CTC HOUSTON ARTCC AT 281-230-5622.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC HOUSTON ARTCC AT 281-230-5622.","new":"FOR CD WHEN ATCT CLSD CTC HOUSTON ARTCC AT 281-230-5622."}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"cb5d7ca339f6","priority":"fyi","category":"navaid","kind":"changed","summary":"LCH navaid: remark: VOR UNUSBL181-359 BYD 30 NM BLO 1500 FT. -> VOR UNUSBL181-359 BYD 30 NM BLW 1500 FT; 198-203 BYD 40 NM BLW 11000 FT; 198-203 BYD 61 NM.","source":"NAV_RMK","fields":[{"field":"REMARK","old":"VOR UNUSBL181-359 BYD 30 NM BLO 1500 FT.","new":"VOR UNUSBL181-359 BYD 30 NM BLW 1500 FT; 198-203 BYD 40 NM BLW 11000 FT; 198-203 BYD 61 NM."}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"facf92b83e4d","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 337-240-9596","source":"AWOS","fields":[{"field":"PHONE_NO","old":"337-477-3371","new":"337-240-9596"}]},{"cycle":"2024-11-28","from_cycle":"2024-10-31","id":"d7d30156c37a","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":"2024-11-28","from_cycle":"2024-10-31","id":"321476d9c9a0","priority":"fyi","category":"runway","kind":"changed","summary":"runway 05: runway end elevation: 10 -> 10.1 ft MSL; touchdown zone elevation: 13.5 -> 13.4 ft MSL; threshold crossing height: 49 -> 51 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"10","new":"10.1"},{"field":"TDZ_ELEV","old":"13.5","new":"13.4"},{"field":"THR_CROSSING_HGT","old":"49","new":"51"}]},{"cycle":"2024-11-28","from_cycle":"2024-10-31","id":"fb9a683c10c3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 15: runway end elevation: 11.4 -> 11.2 ft MSL; touchdown zone elevation: 11.5 -> 11.2 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"11.4","new":"11.2"},{"field":"TDZ_ELEV","old":"11.5","new":"11.2"}]},{"cycle":"2024-11-28","from_cycle":"2024-10-31","id":"02b1c670cfc2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: touchdown zone elevation: 14.6 -> 14.5 ft MSL","source":"APT_RWY_END","fields":[{"field":"TDZ_ELEV","old":"14.6","new":"14.5"}]},{"cycle":"2024-11-28","from_cycle":"2024-10-31","id":"8c1509de116f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 33: runway end elevation: 10.3 -> 9.8 ft MSL; touchdown zone elevation: 11 -> 10.7 ft MSL; threshold crossing height: 54 -> 50 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"10.3","new":"9.8"},{"field":"TDZ_ELEV","old":"11","new":"10.7"},{"field":"THR_CROSSING_HGT","old":"54","new":"50"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"6024d0439937","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 changed","source":"PFR","details":["preferred IFR route GTU -> LCH is now: GTU CLL T254 KNZLY LCH"]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"5924c45b563f","priority":"action","category":"frequency","kind":"added","summary":"frequency 119.75 (HEL OPS) added","source":"FRQ"},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"331876d90124","priority":"action","category":"remark","kind":"removed","summary":"remark removed: Lake Charles Approach Control uses frequency 119.75 for offshore helicopter operations.","source":"ATC_RMK","original":"LAKE CHARLES APCH CTL USES FREQ 119.75 FOR OFFSHORE HELICOPTER OPNS."}],"first_cycle":"2024-10-03","last_cycle":"2026-09-03"}