{"schema_version":1,"airport":"AMW","entries":[{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"2f150816e0d6","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 01 amended (amdt 2C)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 01","amdt":"2C","pdf":"https://aeronav.faa.gov/d-tpp/2607/05307R1.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"ab04f8a226a8","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 13 amended (amdt 1C)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 13","amdt":"1C","pdf":"https://aeronav.faa.gov/d-tpp/2607/05307R13.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"0c42d6fcde4e","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 31 amended (amdt 1C)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 31","amdt":"1C","pdf":"https://aeronav.faa.gov/d-tpp/2607/05307R31.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"5ca2cb12df5e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: controlling obstacle changed (now 46 ft tall, 2167 ft from threshold, 191 ft left of centerline, clearance slope 42:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"350","new":"191"},{"field":"DIST_FROM_THR","old":"2380","new":"2167"},{"field":"OBSTN_CLNC_SLOPE","old":"27","new":"42"},{"field":"OBSTN_HGT","old":"78","new":"46"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"8f6564f0e7b9","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: controlling obstacle changed (now 7 ft tall, 340 ft from threshold, 95 ft left of centerline, clearance slope 20:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"164","new":"95"},{"field":"DIST_FROM_THR","old":"320","new":"340"},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"20"},{"field":"OBSTN_HGT","old":"16","new":"7"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"9a5bba52ca3d","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: controlling obstacle changed (now 83 ft tall, 2812 ft from threshold, 0 ft either side of centerline, clearance slope 31:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"B"},{"field":"CNTRLN_OFFSET","old":"70","new":"0"},{"field":"DIST_FROM_THR","old":"1011","new":"2812"},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"31"},{"field":"OBSTN_HGT","old":"50","new":"83"}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"d09460ed93c4","priority":"action","category":"remark","kind":"changed","summary":"remark updated: ACTVT MALSR RWY 01; VASI RWYS 19; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF.","source":"APT_RMK","original":"ACTVT MALSR RWY 01; VASI RWYS 19; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF.","fields":[{"field":"REMARK","old":"ACTVT MALSR RWY 01; VASI RWYS 13, 19 & 31; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF.","new":"ACTVT MALSR RWY 01; VASI RWYS 19; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF."}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"dac483df96c9","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT MALSR RWY 01; VASI RWYS 13, 19 & 31; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF. -> ACTVT MALSR RWY 01; VASI RWYS 19; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT MALSR RWY 01; VASI RWYS 13, 19 & 31; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF.","new":"ACTVT MALSR RWY 01; VASI RWYS 19; HIRL RWY 01/19 & MIRL RWY 13/31 - CTAF."}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"4b90a23e4e39","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: threshold crossing height: 43 ft AGL -> none; visual glide slope indicator: 4-box VASI on left side of runway (V4L) -> none; visual glide path angle: 3° -> none","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"43","new":""},{"field":"VGSI_CODE","old":"V4L","new":""},{"field":"VISUAL_GLIDE_PATH_ANGLE","old":"3","new":""}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"bc2f95a3110c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: threshold crossing height: 36 ft AGL -> none; visual glide slope indicator: 4-box VASI on left side of runway (V4L) -> none; visual glide path angle: 3° -> none","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"36","new":""},{"field":"VGSI_CODE","old":"V4L","new":""},{"field":"VISUAL_GLIDE_PATH_ANGLE","old":"3","new":""}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"e16e9fdf63da","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -27C -> -26C","source":"APT_BASE","fields":[{"field":"CTA","old":"-27C","new":"-26C"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"b89e4a6da5e0","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -26C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -26C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -27C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -26C."}]}],"first_cycle":"2025-05-15","last_cycle":"2026-07-09"}