Creating an Emergency Board To Investigate a Dispute Between Eastern Air Lines, Inc., Trans World Airlines, Inc., United Air 10757 Lines, Inc., Northwest Airlines, Inc., Northeast Airlines, Inc., Capital Airlines, Inc., and National Airlines, Inc., and Certain of Their Employees Signed: February 27, 1958 Federal Register page and date: 23 FR 1259, March 1, 1958 Revoked by: EO 12553, February 25, 1986