Lake Carriers' Association. International joint conference. Feb. 21-24 at the Saddlebrook Golf & Tennis Resort, Wesley Chapel, Fla. In conjunction with the Dominion Marine Association. For details, contact Carol Lane at the LCA, 614 Superior Ave. N.W., Rockefeller Building, Cleveland, Ohio 44113-1306. (216) 621-1107.

Cruise Shipping Conference & Exhibition. Feb. 23-25 at the Fontainebleau Hilton, Miami, Fla. Sponsored by Seatrade. For details, contact Seatrade, Suite 1805, 40 Rector St., New York City. (212) 393-1000.National Export Traffic League. Dinner meeting, honoring Thomas W. Gleason, president emeritus of the International Longshoremen's Association. Feb. 24 in New York. For details, contact Anthony Barone, (201) 540-3878.

National Customs Brokers & Forwarders Association of America. Annual convention. March 6-11 at the Scottsdale Princess Resort Hotel, Scottsdale, Ariz. For details, contact Lynne Warshavsky at the association, 5 World Trade Center, New York, N.Y. 10048. (212) 432-055.

Propeller Club of the United States. Annual Maritime Industry Salute to Congress Award Dinner. March 15 at the Congressional Country Club, Bethesda, Md. Guest of honor will be Rep. Charles E. Bennett, D-Fla., chairman of the House Seapower Committee. For details, contact the club at 1030 15th St. N.W., Washington, D.C. (202) 898-0680.

American Association of Port Authorities. Strategic planning seminar. March 16-18. Biscayne Bay Marriott, Miami. For details, contact AAPA headquarters. (703) 684-7000.

Maritime College, State University of New York, Fort Schuyler. Celebration of Sealift. March 19. Wallace Sansone, vice commander of the Military Sealift Command, will address a banquet on role of MSC.

Massachusetts Port Authority. Third annual Massport Maritime Conference. March 24 at World Trade Center in Boston. For details, contact the port authority. (617) 973-5360.

Connecticut Maritime Association. International trade communications show and EDI seminar. March 24. Greenwich Civic Center, Greenwich, Conn. For details, contact Jill Brown. (203) 622-6800.

Board of Marine Underwriters of San Francisco. Bi-annual marine seminar. March 24-25 at Sheraton-Palace Hotel, San Francisco. For details, contact the board at 233 Sansone St., Room 706, San Francisco, Calif. 94104.

American Association of Port Authorities. Spring conference. April 6-7. Sheraton Grand Hotel, Washington. For details, contact the association. (703) 684-5700.

Maine Maritime Academy. Seminars on tanker safety and ship's medicine. May 2-6 at the academy, Castine, Maine. For details, contact the academy's Center for Advanced Maritime Studies. (207) 326-4311.

American Association of Port Authorities. Environmental law seminar. May 4-6, Omni International Hotel, Norfolk, Va. For details, contact the association at (703) 684-5700.

Maine Maritime Academy. Seminars on inert gas systems/crude oil washing, and advanced ship's medicine. May 9-13 at the academy, Castine, Maine. For details, contact the academy's Center for Advanced Maritime Studies. (207) 326-4311.