{"schema_version":1,"from_cycle":"2026-10-29","to_cycle":"2026-11-26","airport":"1WF","counts":{"action":0,"ifr":0,"fyi":3},"changes":[{"id":"521e9e9e5771","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Obstruction clearance slope 20:1 to displaced runway threshold over +45 foot unmarked/unlighted building, 400 feet distance, 85 feet L; +40 foot MKD power line/pole, 334 feet distance, 0 feet B.","source":"APT_RMK","original":"OBSTN CLNC SLP 20:1 TO DTHR OVR +45 FT UNMKD/UNLGTD BLDG, 400 FT DIST, 85 FT L; +40 FT MKD PLINE/POLE, 334 FT DIST, 0 FT B.","fields":[{"field":"REMARK","old":"OBST CLNC SLP 20:1 TO DTHR DUE TO +45 FT UNMKD/UNLGTD BLDG, 400 FT DIST, 85 FT L OF CL; +40 FT MKD PLINE/POLE, 334 FT DIST, ON CL.","new":"OBSTN CLNC SLP 20:1 TO DTHR OVR +45 FT UNMKD/UNLGTD BLDG, 400 FT DIST, 85 FT L; +40 FT MKD PLINE/POLE, 334 FT DIST, 0 FT B."}]},{"id":"c79044fee996","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: PRVDD clear 20:1 approaches; clear OFZ; clear RESA.","source":"APT_RMK","original":"PRVDD CLEAR 20:1 APCHS; CLEAR OFZ; CLEAR RESA.","fields":[{"field":"REMARK","old":"PRVDD CLEAR 20:1 APCHS; CLEAR OBST FREE ZONE; CLEAR RWY SAFETY AREA.","new":"PRVDD CLEAR 20:1 APCHS; CLEAR OFZ; CLEAR RESA."}]},{"id":"a3c3784fbdb3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: controlling obstacle: TREE 75 ft tall, 1020 ft from threshold, 178 ft left of centerline -> TREE 90 ft tall, 966 ft from threshold, 201 ft left of centerline; obstacle clearance slope: 13:1 -> 10:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"178","new":"201"},{"field":"DIST_FROM_THR","old":"1020","new":"966"},{"field":"OBSTN_CLNC_SLOPE","old":"13","new":"10"},{"field":"OBSTN_HGT","old":"75","new":"90"}]}]}