World Helicopter Day is an annual international celebration of the amazing engineering and essential missions of helicopters. It occurs on the 3rd Sunday of August each year. The date for 2023 is Sunday, August 20. The Museum will be open from noon to 5pm. See the Hours & Fees page for more information about admissions. We also encourage you to check out the organizations who are celebrating by visiting worldhelicopterday.com or using the hashtag #worldhelicopterday on social media.