Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 230
Inflight Event / Encounter Wake Vortex Encounter
Air Traffic Control Issued New Clearance; Flight Crew Took Evasive Action
Environment - Non Weather Related; Procedure
Encountered moderate wake turbulence approximately five miles behind Company 737-800 while on the TERPZ Arrival at BWI airport. Aircraft rolled approximately 10 degrees left and right; airspeed plus/minus five knots. Event lasted a few seconds on three different occasions on our arrival. Captain requested vector and ATC was helpful and gave us vectors to final approach. Autopilot remained on during the event. ATC requested that we submit an ASAP.
B737-800 First Officer reported encountering wake turbulence in 5 mile trail of another B737-800 on approach to BWI.