Model Study of Dynamic Stability of Helicopter Open PDF Document Details Document Type Technical Report Publication Date Mar 05, 1956 Accession Number AD0092530 Entities People Leonard Goland Organizations Princeton University Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Contracts Engineering Engineers Government Procurement Governments Helicopters Maryland Military Research Model Basins New Jersey Procurement Research Facilities Ship Model Basins Simulations United States United States Government