B777 crew followed TCASII RA guidance in egtt class a.

Attributes
ACN	477310
Time
Date	200006
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : egll.airport
State Reference	FO
Altitude	msl bound lower : 11000 msl bound upper : 11300
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : egtt.artcc
Operator	common carrier : air carrier
Make Model Name	B777-200
Operating Under FAR Part	Part 121
Navigation In Use	other other
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : egtt.artcc
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 23000 flight time type : 500
ASRS Report	477310
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
ASRS Report	477296
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne critical non adherence : clearance
Independent Detector	aircraft equipment : tcas other controllera other flight crewa other flight crewb
Resolutory Action	controller : issued alert controller : issued new clearance flight crew : returned to assigned altitude
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Autoplt off while leveling at FL110, TCASII called traffic. Looking outside for traffic I climbed to +/-11300 ft TCASII changed. Now 'RA' we responded to this. London control called to issue a climb. The copilot informed them that we were responding to RA.

Original NASA ASRS Text

Title: B777 CREW FOLLOWED TCASII RA GUIDANCE IN EGTT CLASS A.

Narrative: AUTOPLT OFF WHILE LEVELING AT FL110, TCASII CALLED TFC. LOOKING OUTSIDE FOR TFC I CLBED TO +/-11300 FT TCASII CHANGED. NOW 'RA' WE RESPONDED TO THIS. LONDON CTL CALLED TO ISSUE A CLB. THE COPLT INFORMED THEM THAT WE WERE RESPONDING TO RA.

Data retrieved from NASA's ASRS site as of July 2007 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.