Redskins owner Jack Kent Cooke now owns his own 12-passenger jet. One Washington wag, aware that a close friendship does not exist between Cooke and former part-owner of the team Edward Bennett Williams, commented that if Williams' jet ever meets Cooke's jet in the air, who will play the Red Baron? . . .

My Sister's Place, a Washington haven for battered women and children, sent out a fund-raising mailer yesterday signed by actress Farrah Fawcett. In the letter, Fawcett, who made reference to her role as an abused wife in the television movie "The Burning Bed," said the Washington shelter provides an alternative to women and children who otherwise "must face this terrible problem alone" . . .

Robert Pincus, 38, the athletic president of D.C. National Bank, touted as the youngest bank president in Washington, likes the manly image of sports. He's on the commission to bring baseball back to D.C. and his bank sponsors an annual tennis tournament. He came back to work this week in a cast, following a visit to Vail where he tore cartilage in his leg, and is now seen hobbling about the bank closely followed by a vice president carrying a pillow for his leg . . .

Actress Georgia Engel, the voice of Miss Care-A-Lot Bear in "The Care Bears Movie," was in town Sunday for a Special Olympics fundraiser showing of the film at the Avalon Theater. Engel said she grew up just a few blocks from the theater and attended the Washington School of the Ballet. After the movie she took a walk on her first visit home in 17 years . . .

National Football League Commissioner Pete Rozelle received the Jackie Robinson Foundation's annual Robie Award last night at New York's Waldorf-Astoria Hotel. Dinner chairman Robert Frohle said the prize was presented to Rozelle for "his recruitment of minorities to the ranks of game officials, coaching staffs and front office personnel in the National Football League and for his efforts to increase educational opportunities at black colleges" . . .

British, American and Canadian musicians have made their albums to donate money to benefit African drought victims. Now a group of Latinos has organized Hermanos del Tercer Mundo (Brothers of the Third World), who will record a single in Los Angeles next month. Some of the artists expected to gather include Julio Iglesias, Sergio Mendes, Jose Feliciano, Albert Hammond, Herb Alpert, Jose Quintana and members of Menudo . . .