75141734
Jul 29, 1996
Sep 16, 1997
printed instructional, teaching, and research study reports all in the field of air traffic control procedures, technology, health, human factors and working conditions
Paper Goods and Printed Mattereducational services, namely, conducting classes, seminars, conferences, and workshops, along with the distribution of course material in connection therewith, in the field of air traffic control function, procedure and policy
Education and Entertainment