{"schema_version":1,"airport":"59MI","entries":[{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"c72a2363ca65","priority":"fyi","category":"airport","kind":"changed","summary":"direction from the city's business district: E -> WSW; distance from the city's business district: 5 -> 4","source":"APT_BASE","fields":[{"field":"DIRECTION_CODE","old":"E","new":"WSW"},{"field":"DIST_CITY_TO_AIRPORT","old":"5","new":"4"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"b3d21dad903d","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: 850 -> 600 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"850","new":"600"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"b59068370d98","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"b3070d451d68","priority":"action","category":"remark","kind":"changed","summary":"remark updated: FOR CD CTC SELFRIDGE APCH AT 586-239-5706, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0448/0490.","source":"APT_RMK","original":"FOR CD CTC SELFRIDGE APCH AT 586-239-5706, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0448/0490.","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 CLEVELAND ARTCC AT 440-774-0448/0490."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"b5abb65188e7","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: 6360 BROAD BRIDGE -> 6360 BROADBRIDGE RD; airport contact city: MARINE CITY -> COTTRELLVILLE; airport contact zip+4: none -> 2601","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"6360 BROAD BRIDGE","new":"6360 BROADBRIDGE RD"},{"field":"TITLE_CITY","old":"MARINE CITY","new":"COTTRELLVILLE"},{"field":"ZIP_PLUS_FOUR","old":"","new":"2601"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"0f88a1699c38","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 35 FT BLDG, 100 FT SOUTH; 20 FT TREES, 50 FT SOUTH.","source":"APT_RMK","original":"35 FT BLDG, 100 FT SOUTH; 20 FT TREES, 50 FT SOUTH.","fields":[{"field":"REMARK","old":"35 FT BLDG 100 FT S; 20 FT TREES 50 FT S.","new":"35 FT BLDG, 100 FT SOUTH; 20 FT TREES, 50 FT SOUTH."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"0be63f1582a5","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: PRVDD APCH/DEP RTE OPS 360-090 DEGS CLKWS FM PAD CNTR; COMPLIANCE WITH 14 CFR PART 91.126(B)(2); AREA IS APROPLY MKD; WIND INDCR IS MNTND; REMOVAL OF TREE NW OF PAD TO COMPLY WITH 8:1 APCH SLP.","source":"APT_RMK","original":"PRVDD APCH/DEP RTE OPS 360-090 DEGS CLKWS FM PAD CNTR; COMPLIANCE WITH 14 CFR PART 91.126(B)(2); AREA IS APROPLY MKD; WIND INDCR IS MNTND; REMOVAL OF TREE NW OF PAD TO COMPLY WITH 8:1 APCH SLP.","fields":[{"field":"REMARK","old":"APCH/DEP RTE 360 DEG CLKWS TO 90 DEG FM PAD CNTR; COMPLIANCE WITH 14 CFR PART 91.126 (B) (2); APROP MARKED; WIND INDICATOR MNTND; REMOVAL OF TREE NW OF PAD TO COMPLY WITH 8:1 APCH SLOPE.","new":"PRVDD APCH/DEP RTE OPS 360-090 DEGS CLKWS FM PAD CNTR; COMPLIANCE WITH 14 CFR PART 91.126(B)(2); AREA IS APROPLY MKD; WIND INDCR IS MNTND; REMOVAL OF TREE NW OF PAD TO COMPLY WITH 8:1 APCH SLP."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"13a8c60d991f","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 850 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"850"}]}],"first_cycle":"2025-10-02","last_cycle":"2026-01-22"}