LiftHere! is to release a 1/72nd Stearman Hammond Y-1S by resin kit in November 2018 - ref. LHM047
Source: https://www.aviationmegastore.com/stearman-hammond-y-1s-klm-expected-november-2018-lhm047-lift-here-decals-lhm047-aircraft-scale-modelling/product/?action=prodinfo&art=154130
https://lifthereserbia.wordpress.com/2018/05/19/near-future-kits/#jp-carousel-5588
V.P.