UDF Flight Test Program

We look back at the Boeing / GE UDF flight test program (1986) autilizing 727-100 N32720 with a General Electric GE-36 UDF (unducted fan or propfan) engine mounted on the right rear side in place of the standard turbo jet engine. #boeing #727 #generalelectric #n32720 #ge36 #udf #aviationsafari #aviationpreservation #boneyardsafari #aviationadventures