Originally, Porter ordered ten 70-seat Bombardier Q400 turboprops, with ten more as options, at a value estimated by Porter of over $500 million. In June 2009, Porter exercised the option on the 19th and 20th Dash 8s. Porter chose the 70-seat configuration (less than the maximum of 78 seats) due to the short length of the runway at Toronto Island Airport; a fully loaded 78-seat configuration would need a longer runway than available at the airport. This means Porter aircraft have a slightly greater seat pitch than a 78-seat aircraft. The 70-seat configuration also allows Porter to use the shorter runway 11/29 at Newark. In May 2010, Porter announced that it intended to order seven more Dash 8 Q400. On August 6, 2010, it was announced that Porter had ordered four more Q400s with options for six more. In November 2011, Porter Airlines accepted two new Bombardier Q400 NextGen aircraft, bringing the company's fleet to 26. In late 2013, Porter added an additional 4 seats to all of their Q400s, giving them a total of 74 seats per aircraft.