{"schema_version":1,"airport":"20N","entries":[{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"c26f156ac705","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Controlling obstruction exceeds a 45 degree slope.","source":"APT_RMK","original":"CTLNG OBSTN EXCEEDS A 45 DEG SLP.","fields":[{"field":"REMARK","old":"RWY 15 CLNC SLOPE 12:1 TO DSPLCD THLD.","new":"CTLNG OBSTN EXCEEDS A 45 DEG SLP."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"aa7c0fc65bd3","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 15: 25 FT LIGHT POLE, 136 FT FM RWY 116 FT LEFT. 12 FENCE, 125 FT FM RWY LEFT & RIGHT. 61 FT TREE 126 FT FM RWY 181 FT LEFT. 15 FT ROAD, 135 FT FM RWY LEFT & RIGHT.","source":"APT_RMK","original":"RWY 15: 25 FT LIGHT POLE, 136 FT FM RWY 116 FT LEFT. 12 FENCE, 125 FT FM RWY LEFT & RIGHT. 61 FT TREE 126 FT FM RWY 181 FT LEFT. 15 FT ROAD, 135 FT FM RWY LEFT & RIGHT.","fields":[{"field":"REMARK","old":"RY 15 HAS +25 FT LIGHT POLE 136 FT FM RY 116 FT LEFT AND +12 FENCE 125 FT FM RY LEFT/RIGHT.","new":"RWY 15: 25 FT LIGHT POLE, 136 FT FM RWY 116 FT LEFT. 12 FENCE, 125 FT FM RWY LEFT & RIGHT. 61 FT TREE 126 FT FM RWY 181 FT LEFT. 15 FT ROAD, 135 FT FM RWY LEFT & RIGHT."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"df3565bb547e","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 33: 7 FT FENCE, 164 FT FM RWY; 8 FT SHED, 152 FT FM RWY 126 FT LEFT.","source":"APT_RMK","original":"RWY 33: 7 FT FENCE, 164 FT FM RWY; 8 FT SHED, 152 FT FM RWY 126 FT LEFT.","fields":[{"field":"REMARK","old":"RY 33 HAS +7 FT FENCE, 164 FT FM RY AND +24 FT SHED, 132 FT FM RY, 108 FT LEFT.","new":"RWY 33: 7 FT FENCE, 164 FT FM RWY; 8 FT SHED, 152 FT FM RWY 126 FT LEFT."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"f5cbfa6b1b06","priority":"fyi","category":"runway","kind":"changed","summary":"runway 15: controlling obstacle changed (now 75 ft tall, 214 ft from threshold, 183 ft right of centerline, clearance slope 0:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"58","new":"183"},{"field":"DIST_FROM_THR","old":"271","new":"214"},{"field":"OBSTN_CLNC_SLOPE","old":"1","new":"0"},{"field":"OBSTN_HGT","old":"39","new":"75"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"fc8032b8a13e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 33: controlling obstacle changed (now 33 ft tall, 257 ft from threshold, 178 ft left of centerline, clearance slope 1:1); controlling obstacle marking: none -> lighted (L); controlling obstacle: BLDG -> POLE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"20","new":"178"},{"field":"DIST_FROM_THR","old":"373","new":"257"},{"field":"OBSTN_CLNC_SLOPE","old":"4","new":"1"},{"field":"OBSTN_HGT","old":"43","new":"33"},{"field":"OBSTN_MRKD_CODE","old":"","new":"L"},{"field":"OBSTN_TYPE","old":"BLDG","new":"POLE"}]}],"first_cycle":"2025-10-02","last_cycle":"2025-10-02"}