Exterior view of external sampling port on C-130 fuselage. The cutout is about 11" wide and 7" high.
Exterior view of HIMIL inlet mounted on side of C-130 fuselage. HIMIL design has forward and backward facing inlets. The mounting plate has space to accommodate additional sampling ports if needed. More info at: http://www.eol.ucar.edu/~dcrogers/Instruments/Inlets/
Interior view of sampling port on side of C-130 fuselage. Structural modification of the airframe requires cutting one of the ribs and installing a window frame for attaching the inlet mounting plate.