{"schema_version":1,"airport":"8D9","entries":[{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"1515d9fc14b6","priority":"fyi","category":"remark","kind":"added","summary":"new remark: APCH RATIO 20:1 TO DTHR.","source":"APT_RMK","original":"APCH RATIO 20:1 TO DTHR."},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"28454d6e8c6e","priority":"action","category":"runway","kind":"changed","summary":"runway 18: displaced threshold elevation: none -> 1583 ft MSL; displaced threshold: none -> 323 ft; runway end elevation: 1586 -> 1585 ft MSL; markings: none -> none","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"","new":"1583"},{"field":"DISPLACED_THR_LEN","old":"","new":"323"},{"field":"RWY_END_ELEV","old":"1586","new":"1585"},{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"NONE"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"c1ba52852698","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 18/36 MKD WITH WHITE BLACK TIPPED MKR CONES.","source":"APT_RMK","original":"RWY 18/36 MKD WITH WHITE BLACK TIPPED MKR CONES.","fields":[{"field":"REMARK","old":"RWY 18 /36 MKD WITH WHITE BLACK TIPPED MKR CONES.","new":"RWY 18/36 MKD WITH WHITE BLACK TIPPED MKR CONES."}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"20a3ee7e1da2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"140","new":""},{"field":"DIST_FROM_THR","old":"411","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"20"},{"field":"OBSTN_HGT","old":"53","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"582dc8a7bbc2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: markings: none -> none","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"NONE"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"2bfde29725aa","priority":"action","category":"runway","kind":"changed","summary":"runway 13/31: pavement now in fair condition; edge light intensity: low -> none","source":"APT_RWY","fields":[{"field":"COND","old":"GOOD","new":"FAIR"},{"field":"RWY_LGT_CODE","old":"LOW","new":""}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"3fc50056c25c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18/36: pavement now in fair condition","source":"APT_RWY","fields":[{"field":"COND","old":"GOOD","new":"FAIR"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"422e74c72eb4","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now 40 ft tall, 528 ft from threshold, 153 ft right of centerline, clearance slope 13:1); controlling obstacle: PLINE -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":"R"},{"field":"CNTRLN_OFFSET","old":"0","new":"153"},{"field":"DIST_FROM_THR","old":"737","new":"528"},{"field":"OBSTN_CLNC_SLOPE","old":"26","new":"13"},{"field":"OBSTN_HGT","old":"28","new":"40"},{"field":"OBSTN_TYPE","old":"PLINE","new":"TREES"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"23d90bc18c63","priority":"fyi","category":"airport","kind":"changed","summary":"wind indicator: no wind indicator -> unlighted wind indicator","source":"APT_BASE","fields":[{"field":"WIND_INDCR_FLAG","old":"N","new":"Y"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"fa2cbbd3ad7f","priority":"action","category":"airport","kind":"changed","summary":"beacon: white-green (lighted land airport) (WG) -> none; beacon schedule: sunset-sunrise (SS-SR) -> none; airport lighting schedule: see remarks (SEE RMK) -> none; wind indicator: lighted wind indicator (Y-L) -> no wind indicator","source":"APT_BASE","fields":[{"field":"BCN_LENS_COLOR","old":"WG","new":""},{"field":"BCN_LGT_SKED","old":"SS-SR","new":""},{"field":"LGT_SKED","old":"SEE RMK","new":""},{"field":"WIND_INDCR_FLAG","old":"Y-L","new":"N"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"83a69b7bd69a","priority":"action","category":"remark","kind":"added","summary":"new remark: Airport closed for night operations.","source":"APT_RMK","original":"ARPT CLSD FOR NIGHT OPNS."},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"8e46e61df6af","priority":"action","category":"remark","kind":"removed","summary":"remark removed: ACTVT LIRL RWY 13/31 - CTAF.","source":"APT_RMK","original":"ACTVT LIRL RWY 13/31 - CTAF."},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"af1e64b053e6","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT LIRL RWY 13/31 - CTAF. -> none","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT LIRL RWY 13/31 - CTAF.","new":""}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"8bded91c2fd8","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 605-772-4391; name changed: Tim Clarke -> City Of Howard","source":"APT_CON","fields":[{"field":"NAME","old":"TIM CLARKE","new":"CITY OF HOWARD"},{"field":"PHONE_NO","old":"605-940-9217","new":"605-772-4391"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"adc3bb2e9ae2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13/31: pavement now in good condition","source":"APT_RWY","fields":[{"field":"COND","old":"FAIR","new":"GOOD"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"a7b7e089c919","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18/36: pavement now in good condition","source":"APT_RWY","fields":[{"field":"COND","old":"FAIR","new":"GOOD"}]}],"first_cycle":"2024-10-31","last_cycle":"2026-08-06"}