TY - BOOK TI - Instrument rating for airplane, helicopter and airship : : practical test standards T2 - Practical test standards SN - 978-1560-27366-0 U1 - 629.132521076 PY - 1998///] CY - Washington, D.C. : PB - Flight Standards Service, KW - Instrument rating--Examinations, questions, etc. KW - Instrument rating. N1 - "FAA-S-8081-4C" ER -