By Isabel Goyer, J. Beckett As general aviation gears up for what promises to be an epic Oshkosh (July 25-31), the first full week in July was a busy one for aviation. There was big news from the beltway, including the announcement of a new, though previously leaked, FAA Administrator nomination and the awarding of a billion bucks’ worth of grants to airports expanding and modernizing their digs. But there was more, including the first flight of a cool new warbird replica and the NTSB’s report on the tragic accident that claimed a popular aviation figure last year. Thanks for reading Plane & P…