The wings lack spoilers of other glide-path control devices and are supported by dual, parallel struts.

[1][2] The prototype Eaglet performed a number of long tows, including one flown by Frank Hawks from California to Elmira, New York in 1930[3] and is now in the National Air and Space Museum.

The concept was to tow three gliders in tandem, taking off from New York City and releasing one each over Philadelphia, Baltimore and Washington, D.C.

The Skytrain was intended to be a proof-of-concept for a future airline service, but was not pursued.

The PS-2 was also used in 1934 for a United States Navy primary flight training experiment in Pensacola, Florida, designed by Ralph Barnaby[1][2] The PS-2 was also flown by many early glider pilots including Richard Chichester du Pont, Warren Eaton, Floyd Sweet and Stan Smith.