Society of Marine Consultants. Annual meeting and luncheon. April 19. Whitehall Club, 17 Battery Place, New York. (609) 983-2454.

New York State Maritime College. Delaware Valley Chapter of the Alumni Association. Dinner meeting. April 22. Downtown Club, Public Ledger Building, Philadelphia. (215) 592-0969.UJA-Federation Campaign. International Trade and Transportation Division. Annual dinner. April 28. Joseph Adaski, president, United Forwarders Service Inc., and Richard V. Parks, president, Farrell Lines Inc., will be honored. Marriott-Marquis Hotel, New York. (212) 980-1000.

North Carolina World Trade Association. Annual conference. May 3-5. Charlotte, N.C. (919) 794-4327.

Maritime Arbitration Seminar. May 6. New York City. Hilton Hotel. (212) 484-4006.

National Defense Transportation Association. May 11. Officer's Club at Governor's Island. Date changed from April 20. Speaker is Rear Adm. Robert L. Johnanson, district commander of First U.S. Coast Guard District. Call Stella Aspiromonte. (212) 466-8333.

PIANC '88 Technology Conference and Exhibition. Sponsored by the U.S. section of the Permanent International Association of Navigation Congresses. May 11-13. Stouffer Harborplace Hotel. Baltimore. Meeting will showcase vessel, port and waterway technologies for the 1990s. (202) 355-3109.

Great Lakes St. Lawrence Maritime Forum. May 17-19. Duluth, Minn. Maritime issues affecting the Seaway will be discussed in conjunction with the International Great Lakes St. Lawrence Mayor's Conference. Contact Gary Harms, Office of Business Development, 400 City Hall, Duluth, Minn. 55802. (218) 723-3556.

World Container Congress. May 25-27. Paris, France. Profitability in the Coming Decade. Telephone in the United Kingdom: 01 647-1132.

Tariff Technology '88. Seminar on strategic options for shipping lines adjusting to information automation. May 31, New York, Vista Hotel, and June 8, San Francisco, Hyatt Regency Embarcadero Hotel. Contact: Mary B. Crowson. (703) 284-5700.