	american aircraft buys into helicopter builder american aircraft corp said it has uired a pct interest in privately owned hunter helicopter of nevada inc for an undisclosed amount of stock an american aircraft official said the company has an option to uire the remaining pct hunter helicopter is in the business of building a two passenger helicopter retailing for about dlrs each which is certified by the federal aviation administration the helicopters will be manufactured in american aircraft s uvalde texas plant it added reuter 
