Science & Tech
This Bell UH-1B "Huey" helicopter was extensively modified for a major research program that investigated the high-speed flight characteristics of rotary wing aircraft. On 15 April 1969 this helicopter flew at 274 knots (316 mph), unofficially breaking the world record held by a Russian helicopter.
Hear stories like this as you drive
ExploreHere reads historical markers out loud as you pass them: over 325,000 stories across the US. No account needed.
4.7 · 800+ ratings · Free
FIND IT
Rushmere, Virginia · United States
