Four panel updates with vintage instruments for Giant Biplanes Zeppelin VGOI and VGOIII, and Zeppelin Staaken R.IV, R.V, R.VI and L Seaplane. Includes low-RPM gauges for engines 1, 2, 3 and 4, to substitute the previous incomplete set, as well as other historically accurate gauges, especially the inclinometer. Gauges programmed with "Easygauge" by Claudio Mussner. Panels by Stephan Scholz
