SeatGuru.com offers online seating maps for Boeing 737s and other aircraft, as of 2015. Four different versions of the aircraft are mapped on the site, including the Boeing 737 V1, V2, V2 Econ Plus and V4 Micronesia.
The maps are illustrations of the aircraft denoting the seating accommodations' pitch and width along with details of the seats for each class. For example, the V2 map shows that it offers 16 reclining seats in the first class section, while seats in first class are 21 inches wide. In the economy plus section of the V2, there are 18 standard seats and in economy class, there are 126 standard seats. All seats in the V2’s economy and economy plus sections are 17.2 inches wide.