00845nam0 2200229 450 00002217020090128124440.020090128d1963----km-y0itay50------baengy-------001yyRadio and instrument flyinga guide to the instrument rating, including typical cross-country written examinationsCharles Alfonso Zweng, Allan C. Zweng18th revised ed.North Hollywood, CAPan American Navigation Service1963XI, 331 p., tav.ill.26 cmRadio and instrument flying60502Navigazione aereaStrumenti629.13519ITUNIPARTHENOPE20090128RICAUNIMARC000022170S 629.135/10S A, 425DSA2009Radio and instrument flying60502UNIPARTHENOPE