This model is built very near to scale, fully textured and detailed and available in many formats. It includes retractable landing gear, animated propellers, detailed engines, animateable control surfaces, and accurate paint scheme.
The Martin 404 was designed as an upgraded and more comfortable version of the Martin 202. This aircraft included several design improvements over the Martin 202 including pressurized cabin, more powerful engines, auto pitch control in engine out situations and some refinements in the cabin.
It was sold more successfully to many airlines. Eastern, TWA and Pacific Airlines examples have been restored and are still flying.