EMB145 crew has loss of separation at 11000 ft on departure from dfw.

Attributes
ACN	707980
Time
Date	200608
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : dfw.airport
State Reference	TX
Altitude	msl bound lower : 11000 msl bound upper : 11300
Environment
Flight Conditions	VMC
Weather Elements	Turbulence
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : d10.tracon tower : bur.tower
Operator	common carrier : air carrier
Make Model Name	EMB ERJ 145 ER&LR
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	climbout : vacating altitude
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	707980
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	non adherence : required legal separation other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Weather Flight Crew Human Performance Airspace Structure ATC Human Performance
Primary Problem	Ambiguous

Narrative:

We departed runway 17R at dfw on heading 160 degrees. There was WX in the area and through approximately 10000 ft we started deviating around it with a clearance to climb to 17000 ft. The frequency was busy; but we were authority/authorized for all the deviations. Climbing through about 11300 ft; ATC issued us an altitude of 11000 ft; which we immediately began the descent for. Shortly after we were cleared direct to a fix not on our flight plan. After a short delay to load the fix; we proceeded direct to it. We did not receive any TCAS alerts; nor did we visually identify any traffic. ZHU gave us a phone number to call; which was our first indication that anything abnormal had occurred. The captain called and they didn't really say anything about what they wanted. Callback conversation with reporter revealed the following information: the telephone call to dfw TRACON did not answer any questions as to what actually occurred.

Original NASA ASRS Text

Title: EMB145 CREW HAS LOSS OF SEPARATION AT 11000 FT ON DEP FROM DFW.

Narrative: WE DEPARTED RWY 17R AT DFW ON HDG 160 DEGS. THERE WAS WX IN THE AREA AND THROUGH APPROX 10000 FT WE STARTED DEVIATING AROUND IT WITH A CLRNC TO CLB TO 17000 FT. THE FREQ WAS BUSY; BUT WE WERE AUTH FOR ALL THE DEVS. CLBING THROUGH ABOUT 11300 FT; ATC ISSUED US AN ALT OF 11000 FT; WHICH WE IMMEDIATELY BEGAN THE DSCNT FOR. SHORTLY AFTER WE WERE CLRED DIRECT TO A FIX NOT ON OUR FLT PLAN. AFTER A SHORT DELAY TO LOAD THE FIX; WE PROCEEDED DIRECT TO IT. WE DID NOT RECEIVE ANY TCAS ALERTS; NOR DID WE VISUALLY IDENT ANY TFC. ZHU GAVE US A PHONE NUMBER TO CALL; WHICH WAS OUR FIRST INDICATION THAT ANYTHING ABNORMAL HAD OCCURRED. THE CAPT CALLED AND THEY DIDN'T REALLY SAY ANYTHING ABOUT WHAT THEY WANTED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE TELEPHONE CALL TO DFW TRACON DID NOT ANSWER ANY QUESTIONS AS TO WHAT ACTUALLY OCCURRED.

Data retrieved from NASA's ASRS site as of January 2009 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.