Commercial Fixed Wing
Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 120
Deviation - Altitude Excursion From Assigned Altitude; Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural Clearance
Flight Crew Took Evasive Action; Flight Crew FLC complied w / Automation / Advisory
Aircraft; Software and Automation
Compiled with TCAS RA. Twin engine piston Aircraft was at 14500 ft. and we were level at 14000 ft. Twin engine target on TCAS fluctuated between 14500 ft. and 14400 ft. We descended to 13500 ft. to comply with TCAS RA. Incident happened on departure from Atlanta.TCAS event caused by twin engine piston aircraft flying at 14500 ft. on the departure corridor. Aircraft was not talking to Atlanta Center.
Air Carrier Captain reported descending in accordance with a TCAS/RA alert for VFR traffic above them.