{"schema_version":1,"airport":"CNH","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"2cbc7b9d53d5","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager zip+4: none -> 2673","source":"APT_CON","fields":[{"field":"ZIP_PLUS_FOUR","old":"","new":"2673"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"f8221326c6ab","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: CITY HALL -> 58 OPERA HOUSE SQ; airport owner zip+4: none -> 5407","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"CITY HALL","new":"58 OPERA HOUSE SQ"},{"field":"ZIP_PLUS_FOUR","old":"","new":"5407"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"25a6582dccdf","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: 16 foot tree 182 foot from threshold 127 foot left. 7 foot tree 100 foot from threshold 104 foot right.","source":"APT_RMK","original":"16 FT TREE 182 FT FM THR 127 FT L. 7 FT TREE 100 FT FM THR 104 FT R.","fields":[{"field":"REMARK","old":"5 FT BRUSH 88 FT R OF CNTRLN.","new":"16 FT TREE 182 FT FM THR 127 FT L. 7 FT TREE 100 FT FM THR 104 FT R."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"98f4a7b88d07","priority":"fyi","category":"runway","kind":"changed","summary":"runway 11: controlling obstacle: TREE 226 ft tall, 2917 ft from threshold, 255 ft left of centerline -> TREE 140 ft tall, 2375 ft from threshold, 333 ft right of centerline; obstacle clearance slope: 12:1 -> 15:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"R"},{"field":"CNTRLN_OFFSET","old":"255","new":"333"},{"field":"DIST_FROM_THR","old":"2917","new":"2375"},{"field":"OBSTN_CLNC_SLOPE","old":"12","new":"15"},{"field":"OBSTN_HGT","old":"226","new":"140"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"3ddcb614d429","priority":"fyi","category":"runway","kind":"changed","summary":"runway 29: controlling obstacle: TREE 32 ft tall, 731 ft from threshold, 295 ft left of centerline -> none listed; obstacle clearance slope: 16:1 -> 20:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"295","new":""},{"field":"DIST_FROM_THR","old":"731","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"20"},{"field":"OBSTN_HGT","old":"32","new":""},{"field":"OBSTN_TYPE","old":"TREE","new":""}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"d23324d9f610","priority":"fyi","category":"remark","kind":"added","summary":"new remark: 5 FT BRUSH 88 FT R OF CNTRLN.","source":"APT_RMK","original":"5 FT BRUSH 88 FT R OF CNTRLN."},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"55e07ef21724","priority":"fyi","category":"runway","kind":"changed","summary":"runway 11: controlling obstacle changed (now 226 ft tall, 2917 ft from threshold, 255 ft left of centerline, clearance slope 12:1); controlling obstacle: none -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"255"},{"field":"DIST_FROM_THR","old":"","new":"2917"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"12"},{"field":"OBSTN_HGT","old":"","new":"226"},{"field":"OBSTN_TYPE","old":"","new":"TREE"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"09b3cd92c0b2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 29: controlling obstacle changed (now 32 ft tall, 731 ft from threshold, 295 ft left of centerline, clearance slope 16:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"256","new":"295"},{"field":"DIST_FROM_THR","old":"306","new":"731"},{"field":"OBSTN_CLNC_SLOPE","old":"2","new":"16"},{"field":"OBSTN_HGT","old":"49","new":"32"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"bb04f4f56d5a","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -25C -> -24C","source":"APT_BASE","fields":[{"field":"CTA","old":"-25C","new":"-24C"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"9829858045bc","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -24C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -25C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C."}]},{"cycle":"2024-11-28","from_cycle":"2024-10-31","id":"dfa8ffe7d717","priority":"fyi","category":"runway","kind":"changed","summary":"runway 29: controlling obstacle changed (now 49 ft tall, 306 ft from threshold, 256 ft left of centerline, clearance slope 2:1); controlling obstacle: none -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"256"},{"field":"DIST_FROM_THR","old":"","new":"306"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"2"},{"field":"OBSTN_HGT","old":"","new":"49"},{"field":"OBSTN_TYPE","old":"","new":"TREE"}]}],"first_cycle":"2024-11-28","last_cycle":"2026-10-01"}