{"schema_version":1,"airport":"MI50","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"d46c0bcd8126","priority":"action","category":"airport","kind":"changed","summary":"beacon: none -> white-green-yellow (heliport) (WGY); beacon schedule: none -> sunset-sunrise (SS-SR); direction from the city's business district: NE -> E; airport lighting schedule: none -> sunset-sunrise (SS-SR); wind indicator: none -> unlighted wind indicator","source":"APT_BASE","fields":[{"field":"BCN_LENS_COLOR","old":"","new":"WGY"},{"field":"BCN_LGT_SKED","old":"","new":"SS-SR"},{"field":"DIRECTION_CODE","old":"NE","new":"E"},{"field":"LGT_SKED","old":"","new":"SS-SR"},{"field":"WIND_INDCR_FLAG","old":"","new":"Y"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"31b6280b80c8","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: 1500 E MEDICAL CENTER DR RM B1 -> 1500 E MEDICAL CENTER DR; airport contact address line 2: 208TC-5307 -> B1-208 TAUBMAN CENTER/5307; name changed: University Of Michigan -> Regents Of The Univ Of Michigan; airport contact zip+4: 5000 -> 5307","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"1500 E MEDICAL CENTER DR RM B1","new":"1500 E MEDICAL CENTER DR"},{"field":"ADDRESS2","old":"208TC-5307","new":"B1-208 TAUBMAN CENTER/5307"},{"field":"NAME","old":"UNIVERSITY OF MICHIGAN","new":"REGENTS OF THE UNIV OF MICHIGAN"},{"field":"ZIP_PLUS_FOUR","old":"5000","new":"5307"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"3c03c5652982","priority":"fyi","category":"remark","kind":"added","summary":"new remark: WEST OF THE PAD.","source":"APT_RMK","original":"WEST OF THE PAD."},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"28d947a8f689","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: controlling obstacle changed (now 34 ft tall, 93 ft from threshold, 52 ft right of centerline, clearance slope 2:1); Part 77 runway category: none -> utility runway with a visual approach (A(V)); controlling obstacle marking: none -> lighted (L); controlling obstacle: none -> BLDG","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"R"},{"field":"CNTRLN_OFFSET","old":"","new":"52"},{"field":"DIST_FROM_THR","old":"","new":"93"},{"field":"FAR_PART_77_CODE","old":"","new":"A(V)"},{"field":"OBSTN_CLNC_SLOPE","old":"","new":"2"},{"field":"OBSTN_HGT","old":"","new":"34"},{"field":"OBSTN_MRKD_CODE","old":"","new":"L"},{"field":"OBSTN_TYPE","old":"","new":"BLDG"}]}],"first_cycle":"2026-06-11","last_cycle":"2026-06-11"}