TY - BOOK AU - Schmitz, P. H. AU - Stepniewski, W. Z. AU - Gibs, J. AU - Hinterkeuser, E. TI - A COMPARISON OF OPTIMAL AND NOISE-ABATEMENT TRAJECTORIES OF A TILT-ROTOR AIRCRAFT [NASA CR-2034] U1 - NASA PY - 1972/// CY - Washington, D.C PB - NASA KW - Aircraft noise KW - Tilt-rotor aircraft N1 - Bound With NASA CR-2030-40 (Acc No. 101575) ER -