{"schema_version":1,"airport":"61MI","entries":[{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"4ee7a943aba5","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"22622571f926","priority":"action","category":"remark","kind":"changed","summary":"remark updated: For CD contact SELFRIDGE approach at 586-239-5706; when approach is closed contact DETROIT approach at 734-955-1404.","source":"APT_RMK","original":"FOR CD CTC SELFRIDGE APCH AT 586-239-5706, WHEN APCH CLSD CTC DETROIT APCH AT 734-955-1404.","fields":[{"field":"REMARK","old":"FOR CD CTC CLEVELAND ARTCC AT 440-774-0490.","new":"FOR CD CTC SELFRIDGE APCH AT 586-239-5706, WHEN APCH CLSD CTC DETROIT APCH AT 734-955-1404."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"0daf88633d42","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: 35215 CRICKLEWOOD -> 35215 CRICKLEWOOD BLVD; airport contact zip+4: none -> 1573","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"35215 CRICKLEWOOD","new":"35215 CRICKLEWOOD BLVD"},{"field":"ZIP_PLUS_FOUR","old":"","new":"1573"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"2712f4472e79","priority":"fyi","category":"airport","kind":"changed","summary":"direction from the city's business district: E -> WSW","source":"APT_BASE","fields":[{"field":"DIRECTION_CODE","old":"E","new":"WSW"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"e476c6716f35","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 30 FT BLDGS, 70 FT SOUTH; 20 FT TREES, 40 FT WEST; 13 FT BLDG, 70 FT NE.","source":"APT_RMK","original":"30 FT BLDGS, 70 FT SOUTH; 20 FT TREES, 40 FT WEST; 13 FT BLDG, 70 FT NE.","fields":[{"field":"REMARK","old":"30 FT BLDGS 70 FT S; 20 FT TREES 40 FT W; 13 FT BLDG 70 FT NE.","new":"30 FT BLDGS, 70 FT SOUTH; 20 FT TREES, 40 FT WEST; 13 FT BLDG, 70 FT NE."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"91a1b159286b","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: PRVDD APCH/DEP OPS CONDUCTED 270-290 DEGS CLKWS FM PAD CNTR; COMPLIANCE WITH 14 CFR 91.126 (B)(2); AREA APROPLY MKD; WIND INDCR MNTND; REMOVAL OF 40 FT TREE WEST OF PAD TO ACHIEVE 8:1 APCH SLP.","source":"APT_RMK","original":"PRVDD APCH/DEP OPS CONDUCTED 270-290 DEGS CLKWS FM PAD CNTR; COMPLIANCE WITH 14 CFR 91.126 (B)(2); AREA APROPLY MKD; WIND INDCR MNTND; REMOVAL OF 40 FT TREE WEST OF PAD TO ACHIEVE 8:1 APCH SLP.","fields":[{"field":"REMARK","old":"APCH/DEP OPS CONDUCTED 270 DEG CLKWS TO 290 DEG CLKWS FM PAD CNTR; COMPLIANCE WITH 14 CFR 91.126 (B)(2); APROP MARKED; MNTND WIND INDICATOR; REMOVAL OF 40 FT TREE W OF PAD TO ACHEIVE 8:1 APCH SLOPE.","new":"PRVDD APCH/DEP OPS CONDUCTED 270-290 DEGS CLKWS FM PAD CNTR; COMPLIANCE WITH 14 CFR 91.126 (B)(2); AREA APROPLY MKD; WIND INDCR MNTND; REMOVAL OF 40 FT TREE WEST OF PAD TO ACHIEVE 8:1 APCH SLP."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"ba0abeec513e","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 587 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"587"}]}],"first_cycle":"2026-01-22","last_cycle":"2026-01-22"}