§ Mr. Biffenasked the Secretary of State for Trade and Industry on what date the 250W Concorde is expected to receive its certificate of airworthiness; and how this date compares with the original estimate.
§ Mr. Michael HeseltineThe manufacturers expect that Concorde will receive its certificate of airworthiness in January 1975, about five years later than originally envisaged when the project began in 1962.