This is a Significant Record milestone.
The record was for the duration (4.2 seconds) of the first human powered flight. Pilot was Judy Wexler flying the Gamera I aircraft (see FAI Record File Num #16230).
A video of the first flight can be seen using this link.
Source: "12 May 2011: First Human-Powered Rotorcraft Record Celebrates 5 Years Anniversary!", FAI website, 12 May 2016