{"schema_version":1,"airport":"6A4","entries":[{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"9a180a983acd","priority":"fyi","category":"remark","kind":"added","summary":"new remark: PAPI RWY 25 DOES NOT PRVD OBSTN CLNC BYD 1.4 NM FM THR. RWY 25 PAPI UNUSBL BYD 8 DEGS LEFT OF CNTRLN.","source":"APT_RMK","original":"PAPI RWY 25 DOES NOT PRVD OBSTN CLNC BYD 1.4 NM FM THR. RWY 25 PAPI UNUSBL BYD 8 DEGS LEFT OF CNTRLN."},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"461b7f60532f","priority":"fyi","category":"remark","kind":"added","summary":"new remark: RWY 07 PAPI DOES NOT PRVD OBSTN CLNC BYD 1.4 NM FM THR. PAPI RWY 07 UNUSBL BYD 5 DEGS LEFT OF CNTRLN.","source":"APT_RMK","original":"RWY 07 PAPI DOES NOT PRVD OBSTN CLNC BYD 1.4 NM FM THR. PAPI RWY 07 UNUSBL BYD 5 DEGS LEFT OF CNTRLN."},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"9d827725ca7d","priority":"action","category":"remark","kind":"changed","summary":"remark updated: ACTVT PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.","source":"APT_RMK","original":"ACTVT PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.","fields":[{"field":"REMARK","old":"ACTVT MIRL RWY 07/25 - CTAF.","new":"ACTVT PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF."}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"8914bab42b6b","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT MIRL RWY 07/25 - CTAF. -> ACTVT PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT MIRL RWY 07/25 - CTAF.","new":"ACTVT PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF."}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"0f1b1b68d0db","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07: threshold crossing height: 41 -> 55 ft AGL; visual glide path angle: 3 -> 4°","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"41","new":"55"},{"field":"VISUAL_GLIDE_PATH_ANGLE","old":"3","new":"4"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"f669b1c7bc1f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: threshold crossing height: 29 -> 39 ft AGL; visual glide path angle: 3 -> 4°","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"29","new":"39"},{"field":"VISUAL_GLIDE_PATH_ANGLE","old":"3","new":"4"}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"95f0e7799a98","priority":"action","category":"airport","kind":"changed","summary":"airport lighting schedule: none -> see remarks (SEE RMK)","source":"APT_BASE","fields":[{"field":"LGT_SKED","old":"","new":"SEE RMK"}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"bbd1888fa970","priority":"action","category":"remark","kind":"added","summary":"new remark: ACTVT MIRL RWY 07/25 - CTAF.","source":"APT_RMK","original":"ACTVT MIRL RWY 07/25 - CTAF."},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"f9d7216583b0","priority":"action","category":"frequency","kind":"changed","summary":"remark: none -> ACTVT MIRL RWY 07/25 - CTAF.","source":"FRQ","fields":[{"field":"REMARK","old":"","new":"ACTVT MIRL RWY 07/25 - CTAF."}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"ba785ad791c0","priority":"action","category":"runway","kind":"changed","summary":"runway 07/25: edge light intensity: none -> medium (MED)","source":"APT_RWY","fields":[{"field":"RWY_LGT_CODE","old":"","new":"MED"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"4987fd842354","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -10C -> -9C","source":"APT_BASE","fields":[{"field":"CTA","old":"-10C","new":"-9C"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"8bc776510f58","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -9C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -9C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -10C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -9C."}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"421b8a9a86e1","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07: controlling obstacle changed (now 34 ft tall, 784 ft from threshold, 193 ft left of centerline, clearance slope 17:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"41","new":"193"},{"field":"DIST_FROM_THR","old":"770","new":"784"},{"field":"OBSTN_CLNC_SLOPE","old":"18","new":"17"},{"field":"OBSTN_HGT","old":"31","new":"34"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"9421aa225f15","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: controlling obstacle changed (now 97 ft tall, 1797 ft from threshold, 423 ft right of centerline, clearance slope 16:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"R"},{"field":"CNTRLN_OFFSET","old":"93","new":"423"},{"field":"DIST_FROM_THR","old":"734","new":"1797"},{"field":"OBSTN_CLNC_SLOPE","old":"13","new":"16"},{"field":"OBSTN_HGT","old":"40","new":"97"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"35b8a84f9203","priority":"action","category":"runway","kind":"changed","summary":"runway 06/24 renumbered to 07/25","source":"APT_RWY","fields":[{"field":"RWY_ID","old":"06/24","new":"07/25"}]}],"first_cycle":"2024-09-05","last_cycle":"2026-04-16"}