Northwest Aviation Conference & Trade Show, Washington State Fair Events Center in Puyallup, WA. The IAA will be there; stop by and say HI! 75 hours of fun seminars and 122,000 sf of aviation displays with an annual attendance of over 10,000. $10, kids and parking free, Sat 9 a.m.–5:30 p.m., Sun 10 a.m.–4 p.m., www.WashingtonAviation.org/conference.