Air carrier flies TCASII RA in class B airspace.

Attributes
ACN	453160
Time
Date	199910
Day	Wed
Local Time Of Day	0601 To 1200
Place
State Reference	TX
Altitude	msl bound lower : 10000 msl bound upper : 11000
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Route In Use	approach : traffic pattern departure : on vectors
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : d10.tracon
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : atp
ASRS Report	453160
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne critical other anomaly other
Independent Detector	aircraft equipment : tcas other flight crewa
Resolutory Action	flight crew : took evasive action
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	ATC Human Performance

Narrative:

Level 10000 ft in left turn to 360 degrees, TCASII TA then RA climb, then increase climb. Climb to approximately 10800 ft to 11000 ft. RA commanded 3500 FPM climb traffic visual then lost under nose no near midair collision.

Original NASA ASRS Text

Title: ACR FLIES TCASII RA IN CLASS B AIRSPACE.

Narrative: LEVEL 10000 FT IN L TURN TO 360 DEGS, TCASII TA THEN RA CLB, THEN INCREASE CLB. CLB TO APPROX 10800 FT TO 11000 FT. RA COMMANDED 3500 FPM CLB TFC VISUAL THEN LOST UNDER NOSE NO NMAC.

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.