What is yy-11?

Y-11 agricultural aircraft : Fitted with a hopper or tank in the cabin on the centre of gravity, dispensing chemicals through a dust spreader, spraybars or atomisers on the wing trailing edges.

When was the Y-11 light utility transport (Y-11) built?

A requirement for a twin-engined light utility transport was issued by the Chinese government in November 1974. The Y-11 was proposed in April 1974, and the design was begun in January 1975.

What kind of engine does a y11b have?

Y-11B : (I) is Fitted with advanced avionics and powered by 350 hp Teledyne -Continental TSIO-550-B air-cooled flat six piston engines. Type (II) was canceled. Later, the only flyable one was used for geological survey.