Never heard before. Edit in late 2017. Fenix (?) has released a 1/48th Airco DH-5 kit - ref. 48001
Source: https://ipmsnymburk.com/forum/viewtema.php?ID_tema=40240
A composite: plastic by Adler, resin engine by Copper State, resin machine gun by HpH, seat belts and decals by HGW.
V.P.