<< >> NASA ASRS Report 1016710, June 2012

A B757-200 captain reported he missed a speed restriction on arrival into lax when he was distracted by a wake turbulence encounter.

Attributes
ACN	1016710
Time
Date	201206
Local Time Of Day	0601-1200
Place
Locale Reference	SCT.TRACON
State Reference	CA
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Descent
Route In Use	STAR RIIVR
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 240 Flight Crew Total 20000 Flight Crew Type 12000
Events
Anomaly	Deviation - Speed All Types Inflight Event / Encounter Wake Vortex Encounter

Narrative:

After various speed and altitude vectors for spacing; cleared to descend via riivr arrival runway 25L. While [we were] descending in VNAV path and encountering wake turbulence from preceding aircraft; decelerated too slowly; thus crossing gramm intersection faster than the 280 KIAS speed restriction on the profile. Feel the temporary focus on minimizing the wake effect distracted from properly slowing for the restriction.

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Original NASA ASRS Text

Title: A B757-200 Captain reported he missed a speed restriction on arrival into LAX when he was distracted by a wake turbulence encounter.

Narrative: After various speed and altitude vectors for spacing; cleared to descend via RIIVR arrival Runway 25L. While [we were] descending in VNAV PATH and encountering wake turbulence from preceding aircraft; decelerated too slowly; thus crossing GRAMM Intersection faster than the 280 KIAS speed restriction on the profile. Feel the temporary focus on minimizing the wake effect distracted from properly slowing for the restriction.

Data retrieved from NASA's ASRS site as of July 2013 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.