First flight of the Bell 400
Wednesday, April 4, 1984
- Bell facility, Fort Worth, TX, United States of America 
This is a Notable Operational milestone.
Description:
This was a 4-bladed version of the Bell 206 with a RingGuard shrouded tail rotor. The program was eventually cancelled.
Source: Bell Canada celebrates 30 Years, Kenneth Schwartz, VERTIFLITE, November/December 2016, Page 14
