# 266 / N266MW, The first Sikorsky 92 for the VH-92A program, EDM-0, is an Engineering and Develoment Model
and was captured during flight-testing at Lockheed Martins Owego heliport. Before ordering the first lot of 17
production airframes, two Engineering and Develoment Models (EDM) will be used for testing the flight performance
and the Mission Communication System (MCS), and four System Demonstration Test Articles (SDTA),
will perform operational test and evaluation at Naval Air Station Patuxent River in Maryland.