The FAA and United Airlines are investigating an incident involving Hensley Meulens, a Colorado Rockies coach, during a charter flight.

Meulens was reported to have been in a pilot's seat and interacting with the cockpit crew, in breach of federal regulations.

The breach was made public via social media, triggering the investigations by the airline and federal authorities.

Pilots involved in the incident have been removed from service pending the outcome of the investigation.

The incident adds to United Airlines' recent scrutiny by the FAA, following an announcement of increased oversight on the airline's safety practices.

The Colorado Rockies and Major League Baseball are also aware of the incident and are keeping an eye on the FAA's investigation.