Originally Posted by
HSLD
Yep, following a TCAS resolution advisory is mandatory. The UAL jet was on a IFR flight plan, so I doubt they were given "maintain visual" as standard ATC handling.
"Maintain Visual Separation" is absolutely used on IFR flight plans, even between two IFR aircraft, except in Class A airspace.
http://www.faa.gov/air_traffic/publi...C/atc0702.html