This week NBAA reiterated its support for guidance outlined in an @FAANews notice of proposed rulemaking (NPRM) to develop new standards for noise certification of #supersonic #aircraft operating in the United States. #bizav #tech https://t.co/57i7dcVXqT pic.twitter.com/0CDniz4dSu
— NBAA (@NBAA) July 14, 2020
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