'First flight' of the Harbin Z-5 with all metal blade rotor
Wednesday, June 22, 1966
- Harbin Hafei Airport, People's Republic of China 
This is a Notable Operational milestone.
Description:
The third time a new prototype of the Z-5 took to the air, this time fitted with fully metal rotor blades. The aircraft had its maiden flight in 1966.
Source: Yefim Gordon, Dmitriy Kommissarov. Chinese Aircraft: China's Aviation Industry Since 1951. Hikoki Publications Ltd., 2008. Pg. 265. Print.
