{"schema_version":1,"airport":"83D","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"dc663f80a9cc","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.3 via the St Ignace outlet no longer available","source":"FRQ"},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"c3b35dfcd5a0","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 07 redrawn (still amdt 0C)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 07","amdt":"0C","pdf":"https://aeronav.faa.gov/d-tpp/2607/10180R7.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"776c495c5beb","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 25 redrawn (still amdt 0C)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 25","amdt":"0C","pdf":"https://aeronav.faa.gov/d-tpp/2607/10180R25.PDF"}},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"fe8552231821","priority":"fyi","category":"airport","kind":"changed","summary":"direction from the city's business district: NW -> NNW; distance from the city's business district: 2 -> 1","source":"APT_BASE","fields":[{"field":"DIRECTION_CODE","old":"NW","new":"NNW"},{"field":"DIST_CITY_TO_AIRPORT","old":"2","new":"1"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"a548841e9960","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07: threshold crossing height: 30 -> 31 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"30","new":"31"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"a37291947391","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: threshold crossing height: 22 -> 45 ft AGL; visual glide path angle: 3 -> 3.04°","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"22","new":"45"},{"field":"VISUAL_GLIDE_PATH_ANGLE","old":"3","new":"3.04"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"12f1ab8aed79","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Deer, birds, and wildlife on and in vicinity of airport.","source":"APT_RMK","original":"DEER, BIRDS, & WILDLIFE ON & INVOF ARPT.","fields":[{"field":"REMARK","old":"DEER & LRG BIRDS ON & INVOF ARPT.","new":"DEER, BIRDS, & WILDLIFE ON & INVOF ARPT."}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"ac2538a3ee07","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07: controlling obstacle changed (now 14 ft tall, 387 ft from threshold, 209 ft right of centerline, clearance slope 13:1); controlling obstacle: none -> BRUSH","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"R"},{"field":"CNTRLN_OFFSET","old":"","new":"209"},{"field":"DIST_FROM_THR","old":"","new":"387"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"13"},{"field":"OBSTN_HGT","old":"","new":"14"},{"field":"OBSTN_TYPE","old":"","new":"BRUSH"}]}],"first_cycle":"2025-12-25","last_cycle":"2026-09-03"}