FAA
《略》 Federal Aviation Administration 【航空】 (アメリカ)連邦航空局; Fellow of the Australian Academy of Science; Fleet Air Arm; 【海上保険】 free of all average.
FAAAS
《略》 Fellow of the American Academy of Arts and Sciences; Fellow of the American Association for the Advancement of Science.
研究社新英和大辞典に「FAA」で始まるの検索結果 1-2。