{"schema_version":1,"airport":"4M0","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"a33825cb2001","priority":"fyi","category":"remark","kind":"added","summary":"new remark: 231-640-9756.","source":"APT_RMK","original":"231-640-9756."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ae3ad6b0f3ca","priority":"fyi","category":"remark","kind":"added","summary":"new remark: RWY 9 +15FT ROAD, 43FT FM RWY THR, 125FT L/R.","source":"APT_RMK","original":"RWY 9 +15FT ROAD, 43FT FM RWY THR, 125FT L/R."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"a6ce6e0aec5f","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: 8 FT FENCE, 110 FT SOUTH OF RWY 09/27 CNTRLN, 1000 FT LEN.","source":"APT_RMK","original":"8 FT FENCE, 110 FT SOUTH OF RWY 09/27 CNTRLN, 1000 FT LEN."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"5a1b7db13f52","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: ALSO 30 FT TREES, 100 FT DIST, 135 FT L/R.","source":"APT_RMK","original":"ALSO 30 FT TREES, 100 FT DIST, 135 FT L/R."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"141f36ce7b5c","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: ARPT PHYS ADS: 4411 MAPLE CITY HWY, INTERLOCHEN, MI 49643.","source":"APT_RMK","original":"ARPT PHYS ADS: 4411 MAPLE CITY HWY, INTERLOCHEN, MI 49643."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"67aec358a468","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: SHANECGRAY@YAHOO.COM.","source":"APT_RMK","original":"SHANECGRAY@YAHOO.COM."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"5842b378b42f","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: CONTROLLING OBSTN EXCEEDS A 45 DEG SLOPE. RWY 09 +8FT FENCE, DIST 0FT, 106FT R, APCH SLOPE 0:1 DSPLCD THLD.","source":"APT_RMK","original":"CONTROLLING OBSTN EXCEEDS A 45 DEG SLOPE. RWY 09 +8FT FENCE, DIST 0FT, 106FT R, APCH SLOPE 0:1 DSPLCD THLD.","fields":[{"field":"REMARK","old":"APCH RATIO 20:1 TO DTHR BASED ON STRAIGHT OUT OVR 92 FT TREES, 1840 FT DIST.","new":"CONTROLLING OBSTN EXCEEDS A 45 DEG SLOPE. RWY 09 +8FT FENCE, DIST 0FT, 106FT R, APCH SLOPE 0:1 DSPLCD THLD."}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"2b915253cfe6","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: CONTROLLING OBSTN EXCEEDS A 45 DEG SLOPE. RWY 27 +8FT FENCE, DIST 0FT, 106FT L, APCH SLOPE 0:1 DSPLCD THLD.","source":"APT_RMK","original":"CONTROLLING OBSTN EXCEEDS A 45 DEG SLOPE. RWY 27 +8FT FENCE, DIST 0FT, 106FT L, APCH SLOPE 0:1 DSPLCD THLD.","fields":[{"field":"REMARK","old":"APCH RATIO 20:1 TO DTHR BASED ON STRAIGHT OUT OVR 88 FT TREES, 1760 FT DIST.","new":"CONTROLLING OBSTN EXCEEDS A 45 DEG SLOPE. RWY 27 +8FT FENCE, DIST 0FT, 106FT L, APCH SLOPE 0:1 DSPLCD THLD."}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"912a31d9320f","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 27 SRNDD BY +75 FT TREES, 600 DIST, 125 FT L/R OF CNTRLN.","source":"APT_RMK","original":"RWY 27 SRNDD BY +75 FT TREES, 600 DIST, 125 FT L/R OF CNTRLN.","fields":[{"field":"REMARK","old":"EAST 600 FT OF RWY 09/27 SRNDD BY 75 FT TREES, 125 FT L/R OF CNTRLN.","new":"RWY 27 SRNDD BY +75 FT TREES, 600 DIST, 125 FT L/R OF CNTRLN."}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"453539c3d7ad","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09/27: pavement now in fair condition","source":"APT_RWY","fields":[{"field":"COND","old":"GOOD","new":"FAIR"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"0837b5b300fe","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09: controlling obstacle changed (now 32 ft tall, 0 ft from threshold, 116 ft left of centerline, clearance slope 0:1); controlling obstacle: ROAD -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L/R","new":"L"},{"field":"CNTRLN_OFFSET","old":"129","new":"116"},{"field":"DIST_FROM_THR","old":"44","new":"0"},{"field":"OBSTN_CLNC_SLOPE","old":"3","new":"0"},{"field":"OBSTN_HGT","old":"14","new":"32"},{"field":"OBSTN_TYPE","old":"ROAD","new":"TREES"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"61397a81fb68","priority":"fyi","category":"airport","kind":"changed","summary":"transient buoy storage: none -> no; transient hangar storage: none -> no","source":"APT_BASE","fields":[{"field":"TRNS_STRG_BUOY_FLAG","old":"","new":"N"},{"field":"TRNS_STRG_HGR_FLAG","old":"","new":"N"}]}],"first_cycle":"2026-09-03","last_cycle":"2026-09-03"}