{"schema_version":1,"airport":"MI99","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"9b911f685ced","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number: 248-505-9660 -> 248-236-5377","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"248-505-9660","new":"248-236-5377"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"05bccd4311b9","priority":"fyi","category":"airport","kind":"added","summary":"new airport added to FAA database: Michigan Helicopters, runway H1 32x32 ft wood, CTAF 122.9","source":"APT_BASE"}],"first_cycle":"2026-03-19","last_cycle":"2026-10-01"}