First flight of the Workhorse SureFly electric helicopter
Monday, April 30, 2018
- Cincinnati Municipal Lunken Airport, Cincinatti, OH, United States of America 
This is a Notable Operational milestone.
Description:
The flight was a 10 second untethered hover.
Source: "SureFly Electric Helicopter Achieves First Flight", Graham Warwick, Aviation Week Network, May 04, 2018
