{"schema_version":1,"airport":"ISQ","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"f456307a6ace","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.5 via the Schoolcraft County outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"9bbd42b78c74","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: For clearance contact MINNEAPOLIS ARTCC at 651-463-5588.","source":"APT_RMK","original":"FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.","new":"FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588."}]},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"4f1b532949f9","priority":"action","category":"weather","kind":"changed","summary":"weather station type: AWOS-3 -> AWOS-3P","source":"AWOS","fields":[{"field":"ASOS_AWOS_TYPE","old":"AWOS-3","new":"AWOS-3P"}]},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"561ec6fc6555","priority":"action","category":"frequency","kind":"changed","summary":"frequency 118.775 now listed for ISQ AWOS-3P (was ISQ AWOS-3); served facility type: AWOS-3 -> AWOS-3P","source":"FRQ","fields":[{"field":"FREQ_USE","old":"ISQ AWOS-3","new":"ISQ AWOS-3P"},{"field":"SERVICED_SITE_TYPE","old":"AWOS-3","new":"AWOS-3P"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"d22392377e23","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: UNATNDD -> 0800-1500; attended days: SAT-SUN -> MON-FRI; attendance schedule number: 5 -> 3","source":"APT_ATT","fields":[{"field":"DAY","old":"SAT-SUN","new":"MON-FRI"},{"field":"HOUR","old":"UNATNDD","new":"0800-1500"},{"field":"SKED_SEQ_NO","old":"5","new":"3"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"39a28cbe51f3","priority":"action","category":"airport","kind":"removed","summary":"airport attendance schedule: dropped JUN-OCT MON-FRI 0800-1600; NOV-MAY MON-FRI 0800-1400","source":"APT_ATT"},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"e288f7362ff1","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: 5910 W US HWY 2 -> 5910 W US HIGHWAY 2; airport contact zip code: 49836 -> 49854","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"5910 W US HWY 2","new":"5910 W US HIGHWAY 2"},{"field":"ZIP_CODE","old":"49836","new":"49854"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"cbdddbab69c9","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 906-341-3662","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"906-341-5522","new":"906-341-3662"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"6dab0b803b4c","priority":"fyi","category":"remark","kind":"added","summary":"new remark: UNLGTD & NO REFLECTORS.","source":"APT_RMK","original":"UNLGTD & NO REFLECTORS."},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"22a7baeda7c6","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"144","new":""},{"field":"DIST_FROM_THR","old":"1037","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"14","new":"20"},{"field":"OBSTN_HGT","old":"58","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"d67d572b9611","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle changed (now 40 ft tall, 1200 ft from threshold, 500 ft either side of centerline, clearance slope 25:1); controlling obstacle: TREES -> PLINE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"B"},{"field":"CNTRLN_OFFSET","old":"467","new":"500"},{"field":"DIST_FROM_THR","old":"1583","new":"1200"},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"25"},{"field":"OBSTN_HGT","old":"82","new":"40"},{"field":"OBSTN_TYPE","old":"TREES","new":"PLINE"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"868f97769e8b","priority":"fyi","category":"runway","kind":"changed","summary":"runway 19: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"210","new":""},{"field":"DIST_FROM_THR","old":"942","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"20"},{"field":"OBSTN_HGT","old":"45","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"ee3a0ff3c13b","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle changed (now 22 ft tall, 439 ft from threshold, 280 ft right of centerline, clearance slope 10:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"244","new":"280"},{"field":"DIST_FROM_THR","old":"605","new":"439"},{"field":"OBSTN_HGT","old":"37","new":"22"}]}],"first_cycle":"2025-12-25","last_cycle":"2026-09-03"}