Ideal to easily learn the aeronautical terminology, as it comes practically used. The terms are inserted in a context spoken that it allows more easily the acquisition of it that if you/they were simply listed. A great part of the work constitutes besides a real course of radiotelephony, based on the more authoritative document today in subject, the DOC 9432 ICAOs. The text is equipped of four CD audio, inclusive in the price. 156 pages