TY - RPRT TI - Tiltrotor Aeroacoustic Code (TRAC) Prediction Assessment and Initial Comparisons with Tram Test Data AU - Burley, Casey L. AU - Brooks, Thomas F. AU - Charles, Bruce D. AU - McCluer, Megan PY - 1999 UR - https://ntrs.nasa.gov/citations/20040086961 ID - 20040086961 ER -