Emb-505 flight crew reported encountering wake turbulence 10 miles in trail of an A350 at FL425.

Attributes
ACN	1499171
Time
Date	201711
Local Time Of Day	1201-1800
Place
Locale Reference	ZJX.ARTCC
State Reference	FL
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	EMB-505 / Phenom 300
Operating Under FAR Part	Part 91
Flight Phase	Climb
Flight Plan	IFR
Aircraft 2
Make Model Name	A350
Operating Under FAR Part	Part 129
Flight Phase	Cruise
Flight Plan	IFR
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Inflight Event / Encounter Wake Vortex Encounter

Narrative:

This is a wake turbulence encounter at FL428. It occurred 102 north of jenks. We were at FL410 and had requested FL430 but ATC was waiting for aircraft above us at FL430 to pass overhead. ATC issued a climb once the aircraft passed over us and was 10 miles in front of us. We looked at our fuel and thought it was adequate so we asked to stay at FL410. We were told to go to FL430 or down to FL400 - so we chose the climb for fuel conservation. We had been battling a 65 kt headwind that just slightly quartered our right nose. We started a fairly slow climb and the air got 'burbly' at FL425. We then experienced a roll to the left and I disengaged the autopilot. Shortly after we got the snap to the right. We ended up going to FL428 before leveling off at FL430. We immediately inquired about the well-being of passengers - they were ok. The copilot offset the route by 2 miles right of course (west). Later we found out that [it] was an A350 that passed overhead.10 miles was probably not enough room for wake separation. I will offset before climbing and note headwind if it is directly ahead of you because vortices will sink straight down.

Original NASA ASRS Text

Title: EMB-505 flight crew reported encountering wake turbulence 10 miles in trail of an A350 at FL425.

Narrative: This is a wake turbulence encounter at FL428. It occurred 102 north of JENKS. We were at FL410 and had requested FL430 but ATC was waiting for aircraft above us at FL430 to pass overhead. ATC issued a climb once the aircraft passed over us and was 10 miles in front of us. We looked at our fuel and thought it was adequate so we asked to stay at FL410. We were told to go to FL430 or down to FL400 - so we chose the climb for fuel conservation. We had been battling a 65 kt headwind that just slightly quartered our right nose. We started a fairly slow climb and the air got 'burbly' at FL425. We then experienced a roll to the left and I disengaged the autopilot. Shortly after we got the snap to the right. We ended up going to FL428 before leveling off at FL430. We immediately inquired about the well-being of passengers - they were ok. The copilot offset the route by 2 miles right of course (west). Later we found out that [it] was an A350 that passed overhead.10 miles was probably not enough room for wake separation. I will offset before climbing and note headwind if it is directly ahead of you because vortices will sink straight down.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.