The plane , a variant of the Grumman - designed Avenger , was built by General Motors in 1945 .
The plane , a variant of the Grumman - designed Avenger , was added to the National Register of Historic Places on February 11 , 2003 .
The plane , a variant of the Grumman - designed Avenger , was built by General Motors in 1945 and added to the National Register of Historic Places on February 11 , 2003 .