Officers and directors of American President Lines Passenger Service Inc. were elected at the group's recent initial organization meeting, it was announced in San Francisco, Calif., by Ralph K. Davies, chairman of the board.

APL has chartered its three passenger vessels - the Presidents Cleveland, Wilson and Roosevelt - to the new wholly-owned subsidiary which has been formally approved by the Maritime Administration.

In addition to Mr. Davies, other officers of PSI are Warren S. Titus, president and treasurer; Sam N. Mercer, vice-president, and George D. Wick Jr., secretary.

Directors of the new company are Worth B. Fowler, William J. Biehl, Capt. T. C. Conwell, Mr. Davies, Mr. Titus and Mr. Mercer.

The formation of PSI marks our determination to strengthen and expand our passenger interests in accord with the new role of passenger vessels in catering to the vacation market, explained Mr. Davies.

In addition to operating APL's passenger vessels, PSI also will act as general passenger agent for the company's fleet of 24 twelve-passenger freighters.