Full FAA Chronology at this link.
19910311: The United States and the United Kingdom reached an agreement on airline service which included permission for United and American Airlines to succeed Pan American and Trans World Airways in serving London Heathrow. In return, British airlines received supplementary rights involving increased access to U.S. airports.
19910311: FAA began a series of hearings in New Jersey to obtain public comment on the noise effects of air traffic changes under the Expanded East Coast Plan (EECP), which had been implemented in phases between February 1987 and March 1988