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Bae-125-850XP captain reported encountering 'severe' wake turbulence twelve miles in trail of a B777 on riivr two arrival into lax.
| Attributes | |
| ACN | 1258535 |
| Time | |
| Date | 201504 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | LAX.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | BAe 125 Series 800 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Descent |
| Route In Use | STAR RIIVR2 |
| Aircraft 2 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Inflight Event / Encounter Wake Vortex Encounter Inflight Event / Encounter Loss Of Aircraft Control |
Narrative:
We were assigned the RIIVR2 arrival into lax. While descending on the arrival to cross riivr within the charted restriction (approximately 10 miles prior to riivr); we encountered severe wake turbulence. The aircraft rolled violently to the right followed immediately by a violent roll to the left. My head struck the side of the aircraft hard enough to generate a pain from my neck down to my shoulder blades. After recovering the airplane to level flight; I queried ATC and informed them that we had a severe wake encounter. ATC advised that we were 12 miles in trail of a boeing 777 that was also landing 25L. I advised that the encounter had nearly rolled our aircraft inverted and ATC issued a new clearance to land on 24R. We were able to continue and change the runway/approach in the FMS to 24R. We landed without incident.in trying to replay this event; I can't recall ever hearing or acknowledging that we were following a 777. Now I know to avoid them.
Original NASA ASRS Text
Title: BAE-125-850XP Captain reported encountering 'severe' wake turbulence twelve miles in trail of a B777 on RIIVR Two Arrival into LAX.
Narrative: We were assigned the RIIVR2 arrival into LAX. While descending on the arrival to cross RIIVR within the charted restriction (approximately 10 miles prior to RIIVR); we encountered severe wake turbulence. The aircraft rolled violently to the right followed immediately by a violent roll to the left. My head struck the side of the aircraft hard enough to generate a pain from my neck down to my shoulder blades. After recovering the airplane to level flight; I queried ATC and informed them that we had a severe wake encounter. ATC advised that we were 12 miles in trail of a Boeing 777 that was also landing 25L. I advised that the encounter had nearly rolled our aircraft inverted and ATC issued a new clearance to land on 24R. We were able to continue and change the runway/approach in the FMS to 24R. We landed without incident.In trying to replay this event; I can't recall ever hearing or acknowledging that we were following a 777. Now I know to avoid them.
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.