The HL-10 in flight, turning to line up with lakebed runway 18. Bill Dana was the pilot for this flight, the 29th of the HL-10 series. The HL-10 reached a peak altitude of 64,590 feet and a top speed of Mach 1.59 on this particular flight.
EC69-2346
The HL-10 in flight, turning to line up with lakebed runway 18. Bill Dana was the pilot for this flight, the 29th of the HL-10 series. The HL-10 reached a peak altitude of 64,590 feet and a top speed of Mach 1.59 on this particular flight.17 Nov 1969NASA Photo› HL-10 Project Description