Altitude deviation occurs as air carrier flight crew reacts to TCASII RA.

Attributes
ACN	177912
Time
Date	199105
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : dpk
State Reference	NY
Altitude	msl bound lower : 10000 msl bound upper : 10400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : rno
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	cruise other
Route In Use	arrival other arrival star : star enroute airway : n90
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 6000 flight time type : 2000
ASRS Report	177912
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance non adherence : required legal separation
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

At 10000' we received a RA on TCAS. We followed 'climb, climb' commands until TCAS said, 'clear of conflict.' we advised ATC that we were leaving our altitude on an RA.

Original NASA ASRS Text

Title: ALT DEVIATION OCCURS AS ACR FLT CREW REACTS TO TCASII RA.

Narrative: AT 10000' WE RECEIVED A RA ON TCAS. WE FOLLOWED 'CLB, CLB' COMMANDS UNTIL TCAS SAID, 'CLR OF CONFLICT.' WE ADVISED ATC THAT WE WERE LEAVING OUR ALT ON AN 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.