THE SIA SP.2 & SP.3.
This DATAFILE provides all-new data on the Italian SP.2 and SP.3 pusher biplanes of WWI with extra pages and drawings. Gregory Alegi provides the full history of both types with exhaustive appendices and colour notes. No less than 15 pages cover both main variants and derivatives while Danilo Renzuli and Ronny Bar supply the stunning colour art making this one of our most comprehensive DATAFILES ever.