Near midair collision and TCASII RA for air carrier flight near dallas.

Attributes
ACN	464010
Time
Date	200002
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : dfw.airport
State Reference	TX
Altitude	msl bound lower : 3000 msl bound upper : 3500
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : d10.tracon
Operator	common carrier : air carrier
Make Model Name	DC-9 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 17c
Flight Phase	descent : approach
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 150 flight time total : 11900 flight time type : 6000
ASRS Report	464010
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Events
Anomaly	conflict : nmac non adherence : required legal separation non adherence : far
Independent Detector	aircraft equipment : tcas other flight crewa
Resolutory Action	flight crew : returned to original clearance flight crew : took evasive action flight crew : returned to assigned altitude
Miss Distance	horizontal : 400 vertical : 0
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	Ambiguous

Narrative:

Approaching glide path capture on ILS, TCASII RA (climb) due to traffic below. Climbed to 3500 ft before 'clear of conflict.' returned to assigned altitude/clearance.

Original NASA ASRS Text

Title: NMAC AND TCASII RA FOR ACR FLT NEAR DALLAS.

Narrative: APCHING GLIDE PATH CAPTURE ON ILS, TCASII RA (CLB) DUE TO TFC BELOW. CLBED TO 3500 FT BEFORE 'CLR OF CONFLICT.' RETURNED TO ASSIGNED ALT/CLRNC.

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.