The term 'place for an ace' can be answered by the following crossword solutions: SLEEVE (6 letters), HOLE (4 letters), AIRPLANE (8 letters), COCKPIT (7 letters), and SORTIE (6 letters). A SLEEVE is a garment that covers the arm from the shoulder to the wrist. A HOLE is an opening in a surface or object. An AIRPLANE is a powered, fixed-wing aircraft that is propelled forward by thrust from a jet engine or propeller. The cockpit of an AIRPLANE is the area where the pilot and other crew members sit while operating the aircraft. A SORTIE is a mission flown by a single military aircraft, or by multiple aircraft as a unit.