{"schema_version":1,"airport":"53W","entries":[{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"ed00fee387ae","priority":"action","category":"airport","kind":"changed","summary":"airport lighting schedule: see remarks (SEE RMK) -> none","source":"APT_BASE","fields":[{"field":"LGT_SKED","old":"SEE RMK","new":""}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"ed1a52fddb6e","priority":"action","category":"remark","kind":"removed","summary":"remark removed: ACTVT LIRL RWY 09/27 - CTAF (3 CLICKS OFF).","source":"APT_RMK","original":"ACTVT LIRL RWY 09/27 - CTAF (3 CLICKS OFF)."},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"c984c6ce0618","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT LIRL RWY 09/27 - CTAF (3 CLICKS OFF). -> none","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT LIRL RWY 09/27 - CTAF (3 CLICKS OFF).","new":""}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"f20d1ab26f02","priority":"action","category":"runway","kind":"changed","summary":"runway 09/27: edge light intensity: low -> none","source":"APT_RWY","fields":[{"field":"RWY_LGT_CODE","old":"LOW","new":""}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"2a8fe4e66edd","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 989-309-3030","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"989-561-5266","new":"989-309-3030"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"cb895fccf076","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: APCH RATIO 0:1 TO DTHR OVR 55 FT TREE, 0 FT DIST, 120 FT R.","source":"APT_RMK","original":"APCH RATIO 0:1 TO DTHR OVR 55 FT TREE, 0 FT DIST, 120 FT R.","fields":[{"field":"REMARK","old":"APCH RATIO 0:1 TO DTHR OVR 55 FT TREE, 0 FT DIST, 120 FT R; 18:1 BASED ON STRAIGHT OUT OVR 52 FT TREE, 939 FT DIST, 0 FT B.","new":"APCH RATIO 0:1 TO DTHR OVR 55 FT TREE, 0 FT DIST, 120 FT R."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"6b553addbd2e","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: APCH RATIO 7:1 TO DTHR OVR 50 FT TREE, 350 FT DIST, 125 FT R.","source":"APT_RMK","original":"APCH RATIO 7:1 TO DTHR OVR 50 FT TREE, 350 FT DIST, 125 FT R.","fields":[{"field":"REMARK","old":"APCH RATIO 7:1 TO DTHR BASED ON 50 FT TREE, 350 FT DIST, 125 FT R; 20:1 BASED ON STRAIGHT OUT.","new":"APCH RATIO 7:1 TO DTHR OVR 50 FT TREE, 350 FT DIST, 125 FT R."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"2a56d3296a1f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 27: controlling obstacle changed (now 15 ft tall, 0 ft from threshold, 110 ft right of centerline, clearance slope 0:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"88","new":"110"}]}],"first_cycle":"2024-10-03","last_cycle":"2026-05-14"}