{"schema_version":1,"airport":"91MI","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"06947f5e4865","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 616-916-4800; airport contact address: 6662 STIMPSON RD -> 6662 STIMSON RD; name changed: Michael C. Mccollough -> Jim & Meagan Baker; airport contact zip+4: none -> 9717","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"6662 STIMPSON RD","new":"6662 STIMSON RD"},{"field":"NAME","old":"MICHAEL C. MCCOLLOUGH","new":"JIM & MEAGAN BAKER"},{"field":"PHONE_NO","old":"269-795-9129","new":"616-916-4800"},{"field":"ZIP_PLUS_FOUR","old":"","new":"9717"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"f54874a2f244","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 616-916-8099","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"6662 STIMPSON RD","new":"6662 STIMSON RD"},{"field":"NAME","old":"MICHAEL C. MCCOLLOUGH","new":"JIM & MEAGAN BAKER"},{"field":"PHONE_NO","old":"269-795-9129","new":"616-916-8099"},{"field":"ZIP_PLUS_FOUR","old":"","new":"9717"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"8292f3bba30d","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"f234ecadca91","priority":"fyi","category":"airport","kind":"changed","summary":"FAA district office: none -> DET","source":"APT_BASE","fields":[{"field":"ADO_CODE","old":"","new":"DET"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"f4dba8e6426b","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 770 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"770"}]}],"first_cycle":"2025-10-02","last_cycle":"2026-06-11"}