TY - RPRT TI - Effects of a Velocity-Vector Based Command Augmentation System and Synthetic Vision System Terrain Portrayal and Guidance Symbology Concepts on Single-Pilot Performance AU - Liu, Dahai AU - Goodrich, Kenneth H. AU - Peak, Bob PY - 2010 UR - https://ntrs.nasa.gov/citations/20110016433 ID - 20110016433 ER -