{"schema_version":1,"airport":"N39","entries":[{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"b7e13c71c75d","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 4 FT FENCE 25 FT EAST OF PAD","source":"APT_RMK","original":"4 FT FENCE 25 FT EAST OF PAD","fields":[{"field":"REMARK","old":"3 FT FENCE 25 FT EAST OF HELIPAD.","new":"4 FT FENCE 25 FT EAST OF PAD"}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"8e60f7084f03","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: controlling obstacle changed (now 42 ft tall, 174 ft from threshold, 5 ft right of centerline, clearance slope 4:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"R"},{"field":"CNTRLN_OFFSET","old":"22","new":"5"},{"field":"DIST_FROM_THR","old":"298","new":"174"},{"field":"OBSTN_CLNC_SLOPE","old":"5","new":"4"},{"field":"OBSTN_HGT","old":"56","new":"42"}]}],"first_cycle":"2025-10-30","last_cycle":"2025-10-30"}