sentences:  The aircraft, which was configured in a 265-seat, two-class layout, entered commercial service on BCal's busy West African trunk routes to Nigeria and Ghana later the same month, replacing the airline's Boeing 707s on six of the seven weekly services on these routes.The second aircraft, which arrived at Gatwick in early May of that year, was initially configured in a 295-seat, single-class layout.It entered service later that month on BCal's Advance Booking Charter (ABC) routes to the US and Canada.