Each seat is also equipped with a personal handset satellite telephone which can be used with a credit card. Economy seating is in 3–3–3 arrangement on the Boeing 777, 3–4–3 on the Boeing 747(main deck), 3-2 on the MD90, 3–3 on the A321 & Boeing 747 (upper deck),[91] and 2–4–2 on all A330s.[92] In Economy Class of A321 and MD 90, there is no personal entertainment, with only overhead sceens.