Altitude deviation excursion from assigned in flight crew response to TCASII RA.

Attributes
ACN	259555
Time
Date	199312
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : adm
State Reference	OK
Altitude	msl bound lower : 23300 msl bound upper : 24000
Environment
Flight Conditions	IMC
Light	Dusk
Aircraft 1
Controlling Facilities	artcc : zfw
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	descent other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 20000
ASRS Report	259555
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

TCASII RA at 24000 ft. Target descending on a collision course. TCASII commanded a 200 FPM descent. Center was very slow in advising of traffic, and gave no commands to us to avoid the RA. Returned to FL240 after descending to 23300. Center was noncommittal and too casual.

Original NASA ASRS Text

Title: ALTDEV EXCURSION FROM ASSIGNED IN FLC RESPONSE TO TCASII RA.

Narrative: TCASII RA AT 24000 FT. TARGET DSNDING ON A COLLISION COURSE. TCASII COMMANDED A 200 FPM DSCNT. CTR WAS VERY SLOW IN ADVISING OF TFC, AND GAVE NO COMMANDS TO US TO AVOID THE RA. RETURNED TO FL240 AFTER DSNDING TO 23300. CTR WAS NONCOMMITTAL AND TOO CASUAL.

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.