Method and system for analyzing aircraft data, including multiple selected flight parameters for a selected phase of a selected flight, and for determining when the selected phase of the selected flight is atypical, when compared with corresponding data for the same phase for other similar flights. When the pull element is extended away from the vest, the tether lines are placed into tension thereby causing the connection assemblies to be disengaged and the front and rear panels of the vest can fall away from one another. A weight value is assigned to the selected object in accordance with a predetermined methodology.