Boeing Vertol BV-347

BV-347
General information
TypeExperimental helicopter
National originUnited States
ManufacturerBoeing Vertol
Number built1
History
First flightMay 27, 1970
Developed fromBoeing CH-47 Chinook

The Boeing Vertol BV-347 (also known as the Model 347) is an experimental helicopter built by Boeing Vertol from a converted CH-47A Chinook. It was used to test potential upgrades for the Chinook, several of which were later incorporated into subsequent versions of the CH-47.