A330-300 first officer reported slowing below assigned speed on final at egll following a wake vorte...

Attributes
ACN	1055707
Time
Date	201212
Local Time Of Day	0601-1200
Place
Locale Reference	EGLL.Airport
State Reference	FO
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	A330
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Engineer Flight Crew Flight Instructor Flight Crew Multiengine Flight Crew Instrument
Experience	Flight Crew Last 90 Days 210 Flight Crew Total 18000 Flight Crew Type 400
Events
Anomaly	Deviation - Procedural Clearance Deviation - Speed All Types Inflight Event / Encounter Wake Vortex Encounter

Narrative:

ATC assigned 160 KTS to 4 DME. The captain (pilot flying) slowed to 155 KTS after a wake turbulence encounter at approximately 6 DME. ATC queried our speed; we reported 155 KTS and explanation. They chastised us and there was no problem. Normal landing. Aircraft behind us continued normally.

Original NASA ASRS Text

Title: A330-300 First Officer reported slowing below assigned speed on final at EGLL following a wake vortex encounter.

Narrative: ATC assigned 160 KTS to 4 DME. The Captain (pilot flying) slowed to 155 KTS after a wake turbulence encounter at approximately 6 DME. ATC queried our speed; we reported 155 KTS and explanation. They chastised us and there was no problem. Normal landing. Aircraft behind us continued normally.

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.

A330-300 first officer reported slowing below assigned speed on final at egll following a wake vortex encounter.