{"schema_version":1,"airport":"LBT","entries":[{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"98ce655c899c","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 61 FT TREES 0-200 FT FM THR OFFSET 306 FT LEFT.","source":"APT_RMK","original":"61 FT TREES 0-200 FT FM THR OFFSET 306 FT LEFT.","fields":[{"field":"REMARK","old":"56 FT TREES 0-200 FT FM THR OFFSET 233 FT LEFT.","new":"61 FT TREES 0-200 FT FM THR OFFSET 306 FT LEFT."}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"21efd57bbf35","priority":"fyi","category":"runway","kind":"changed","summary":"runway 05: controlling obstacle changed (now 103 ft tall, 3498 ft from threshold, 79 ft left of centerline, clearance slope 32:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"506","new":"79"},{"field":"DIST_FROM_THR","old":"2140","new":"3498"},{"field":"OBSTN_CLNC_SLOPE","old":"24","new":"32"},{"field":"OBSTN_HGT","old":"78","new":"103"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"ad45878a5ddf","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13/31: pavement now in good condition","source":"APT_RWY","fields":[{"field":"COND","old":"EXCELLENT","new":"GOOD"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"926493ab97d3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: controlling obstacle changed (now 48 ft tall, 476 ft from threshold, 174 ft left of centerline, clearance slope 5:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"155","new":"174"},{"field":"DIST_FROM_THR","old":"468","new":"476"},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"5"},{"field":"OBSTN_HGT","old":"38","new":"48"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"978bab80881a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: controlling obstacle changed (now 77 ft tall, 1776 ft from threshold, 259 ft left of centerline, clearance slope 20:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"178","new":"259"},{"field":"DIST_FROM_THR","old":"630","new":"1776"},{"field":"OBSTN_CLNC_SLOPE","old":"9","new":"20"},{"field":"OBSTN_HGT","old":"44","new":"77"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"31865956e464","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: controlling obstacle changed (now 53 ft tall, 279 ft from threshold, 216 ft right of centerline, clearance slope 1:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"7","new":"216"},{"field":"DIST_FROM_THR","old":"297","new":"279"},{"field":"OBSTN_CLNC_SLOPE","old":"3","new":"1"},{"field":"OBSTN_HGT","old":"29","new":"53"}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"b6036523ac64","priority":"fyi","category":"airport","kind":"changed","summary":"fuel: added automobile gasoline (MOGAS)","source":"APT_BASE","fields":[{"field":"FUEL_TYPES","old":"100LL,A1+","new":"100LL,A1+,MOGAS"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"40fb9159e48f","priority":"action","category":"navaid","kind":"changed","summary":"runway 05: remark: LOC UNUSBL BYD 20 DEGS RIGHT OF CRS. -> LOC UNUSBL BYD 18 DEGS LEFT AND 20 DEGS RIGHT OF CRS.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"LOC UNUSBL BYD 20 DEGS RIGHT OF CRS.","new":"LOC UNUSBL BYD 18 DEGS LEFT AND 20 DEGS RIGHT OF CRS."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"f80b8f82deb9","priority":"ifr","category":"navaid","kind":"added","summary":"new ILS RWY 05 remark: ILS CLASSIFICATION CODE IA.","source":"ILS_RMK","original":"ILS CLASSIFICATION CODE IA."},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"34042dcc07f6","priority":"action","category":"runway","kind":"changed","summary":"runway 05/23: length: 5502 -> 5505 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"5502","new":"5505"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"313ff0d35a25","priority":"action","category":"navaid","kind":"changed","summary":"runway 05: approach bearing: 53.12 -> 53.11° magnetic; localizer status: OPERATIONAL IFR -> OPERATIONAL RESTRICTED; ILS runway length: 5502 -> 5505 ft","source":"ILS_BASE","fields":[{"field":"APCH_BEAR","old":"53.12","new":"53.11"},{"field":"COMPONENT_STATUS","old":"OPERATIONAL IFR","new":"OPERATIONAL RESTRICTED"},{"field":"RWY_LEN","old":"5502","new":"5505"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"b275665a8c4d","priority":"action","category":"runway","kind":"changed","summary":"runway 05: displaced threshold: 160 -> 162 ft; touchdown zone elevation: 124.2 -> 124.4 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_LEN","old":"160","new":"162"},{"field":"TDZ_ELEV","old":"124.2","new":"124.4"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"2c5c17e7a6bb","priority":"action","category":"runway","kind":"changed","summary":"runway 13/31: length: 5003 -> 5007 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"5003","new":"5007"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"3184e0512a69","priority":"action","category":"runway","kind":"changed","summary":"runway 31: displaced threshold: 589 -> 590 ft; touchdown zone elevation: 124.5 -> 124.6 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_LEN","old":"589","new":"590"},{"field":"TDZ_ELEV","old":"124.5","new":"124.6"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"9daa3362010b","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":"2025-05-15","from_cycle":"2025-04-17","id":"82431acdc6ab","priority":"fyi","category":"navaid","kind":"changed","summary":"runway 05: remark: AUTOPILOT COUPLED APPROACHES NA BELOW 1250 FT MSL. -> AUTOPILOT CPD APCH NA BELOW 1250 FT MSL.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"AUTOPILOT COUPLED APPROACHES NA BELOW 1250 FT MSL.","new":"AUTOPILOT CPD APCH NA BELOW 1250 FT MSL."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"f7648741f8ef","priority":"fyi","category":"navaid","kind":"changed","summary":"runway 05: remark: LOC UNUSBL BYD 20 DEGS RIGHT OF CRS -> LOC UNUSBL BYD 20 DEGS RIGHT OF CRS.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"LOC UNUSBL BYD 20 DEGS RIGHT OF CRS","new":"LOC UNUSBL BYD 20 DEGS RIGHT OF CRS."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"eeb53dd1c2c3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: runway end elevation: 123.7 -> 123.8 ft MSL; touchdown zone elevation: 124.5 -> 124.6 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"123.7","new":"123.8"},{"field":"TDZ_ELEV","old":"124.5","new":"124.6"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"b5540cedb486","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: touchdown zone elevation: 124.4 -> 124.6 ft MSL","source":"APT_RWY_END","fields":[{"field":"TDZ_ELEV","old":"124.4","new":"124.6"}]}],"first_cycle":"2025-05-15","last_cycle":"2026-07-09"}