W.R. GRACE CO. v. CIVIL AERONAUTICS BOARD et al. No. 92.Circuit Court of Appeals, Second Circuit. January 28, 1946. Rehearing Denied February 21, 1946. Page 272 Petition to Review Orders of the Civil Aeronautics Board. Proceeding instituted by the Civil Aeronautics Board on its own initiative to determine whether certificate of public convenience and necessity […]