 Before it closed in the early 1970s, it was noted for its air shows that attracted hundreds of spectators and for handling the air mail for the Wilmerding Post Office.Pittsburgh–Monroeville Airport currently houses sixteen privately owned planes in several hangars, down from 74 in 1970, and 112 between 1952 and 1958.A sign along Logans Ferry Road designates the field as Harold W. Brown Memorial Field.