Feb. 23–24 —Puyallup, WA. Washington State Fair Events Center. Northwest Aviation Conference & Trade Show. The Washington Aviation Association has been hosting this event for over three decades. It has grown to offer more than 75 hours of safety seminars and 122,000 square feet of aviation displays. Saturday 9 am to 5:30 pm, Sunday 10 am to 4 pm. Entry is $5 per day, kids 17 and under get in for free. Free parking. For more information, visit washington-aviation.org.