PDToolKit provides a comprehensive aviation calculator to assist in a variety of common and repetitive procedure design calculation routines. The PD Calculator is a stand-alone Windows application which does not require a CAD application. Here are some of the operations PD facilitates:

• Air Speed and Distance
• Wind Spiral
• RNAV (Basic GNSS, DME/DME, VOR/DME)
• Templates
• ILS
• Unit Conversions