A-109

This HFI model is part of the world's largest public display of scale model helicopters.

Aircraft Specifications
First Flight:	1977
Main Rotor:	36 ft., 1 in.
Engine:	2 x 420 shp Allison 250-C20B
Max Speed:	193 mph
Height:	10 ft., 11 in.
Length:	42 ft., 11 in.
Gross Weight:	5,400 lbs.
Empty Weight:	3,000 lbs.

The first of three prototypes flew on August 4, 1971.

Works Referenced