Botre, M., Brentner, K. S., Horn, J. F., & Wachspress, D. (2019). Validation of helicopter noise prediction system with flight data. Paper presented at Vertical Flight Society’s 75th Annual Forum and Technology Display, May 13-16, Philadelphia, United States.
![white clouds above silhouette of clouds at day](https://s3.wp.wsu.edu/uploads/sites/192/2019/10/brady-bellini-_hpk_92Crhs-unsplash.jpg)