ground-proximity warning system (gpws)

.cst client Clifton Springs cup towel feedling egupment fused-contact phototransistor ichthyurus klapperichi mechanical straightening multispectral colo(u)r composite meter operational decision perviness Release-Tabs rephosphorised steel tangential close ray tracing tipburn top-hung untarpage Vickers hardness scale waveguide iris X to the Z