A sheriff's office dispatcher said the second helicopter continued flying to Ryan Field, a small airport about 25 miles west of Tucson.
They played their home games at Ryan Field and participated as members of the Big Ten Conference.
The Central station is close to Ryan Field, Northwestern's football stadium.
Ryan Field covers an area of 1,754 acres (710 ha) at an elevation of 2,417 feet (737 m) above mean sea level.
It is located to the north of Ryan Field on the athletic campus, and also contains the stadium's field house.
Northwestern managed to grab their second major upset of 2009 against the Badgers under the lights at Ryan Field.
Ryan Field is an American sportscaster based in Detroit, Michigan.
The scene was filmed at Ryan Field on the Northwestern University campus.
The word will also be painted on Ryan Field, the team's home stadium.
He then headed to the football offices next to Ryan Field.