Харбин No-6 - WalkAround

The Harbin/CHDRI Z-6, (Z – Zhishengji – vertical take-off aircraft), is a Chinese helicopter development based on the Harbin Z-5, itself a licence-built / reverse engineered Mil Mi-4. A limited production run was terminated after performance was found to be inferior to its Z-5 progenitor

Источник: Harbin Z-6 on Wikipedia