TY - RPRT TI - Development of a computer program data base of a navigation aid environment for simulated IFR flight and landing studies AU - Bergeron, H. P. AU - Haynie, A. T. AU - Mcdede, J. B. PY - 1980 UR - https://ntrs.nasa.gov/citations/19810005448 ID - 19810005448 ER -