TY - BOOK ED - Federal Aviation Administration TI - Instrument rating: written test guide U1 - 629.1325217 PY - 1977///] CY - [United States] PB - Aviation Maintenance Publication, KW - Aeronautical instruments KW - Aeronautics--study and teaching KW - Airplanes--Piloting N1 - Includes glossary and index; Includes bibliographical references. ER -