Observation, liason and training were its main duties in the military. In civil circles it was also used for police work and news reporting.
The HC-102 was a later development of the Aero Vodechody HC-2 and was carried out by the Zlin aircraft company.
Its the first helicopter I've ever seen that had plywood rotors. Beautifully varnished ones with nice brass leading edge guards.
Interestingly, one of the lesser known Czech limited run outfits makes a 1/72 resin kit of it. I saw one in my LHS a month or so ago and it looks real nice. Real small, but real nice.