D10 controller experienced near loss of separation between ads arrival and dfw SID departure aircraft and questioned the lack of procedural separation between the two.

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Attributes
ACN	675402
Time
Date	200510
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : ads.airport
State Reference	TX
Altitude	msl single value : 2000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : d10.tracon
Operator	general aviation : personal
Make Model Name	Harrier
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : d10.tracon
Operator	general aviation : personal
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar controller : non radar
Experience	controller radar : 18
ASRS Report	675402
Person 2
Affiliation	other
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Miss Distance	horizontal : 15000 vertical : 0
Supplementary
Problem Areas	Chart Or Publication FAA ATC Human Performance Airspace Structure
Primary Problem	ATC Human Performance

Narrative:

1 aircraft on ads localizer on vap. Ads localizer is a 330 degree heading. 1 aircraft departure dal on 340 degrees (standard procedure SID). Aircraft came within 3 NM of each other with 10 degrees convergence. This departure procedure does not provide separation with ads arrs. 1000 ft and/or 3 NM (I don't believe) was provided those aircraft due to faulty procedures.

Original NASA ASRS Text

Title: D10 CTLR EXPERIENCED NEAR LOSS OF SEPARATION BTWN ADS ARR AND DFW SID DEP ACFT AND QUESTIONED THE LACK OF PROCEDURAL SEPARATION BTWN THE TWO.

Narrative: 1 ACFT ON ADS LOC ON VAP. ADS LOC IS A 330 DEG HDG. 1 ACFT DEP DAL ON 340 DEGS (STANDARD PROC SID). ACFT CAME WITHIN 3 NM OF EACH OTHER WITH 10 DEGS CONVERGENCE. THIS DEP PROC DOES NOT PROVIDE SEPARATION WITH ADS ARRS. 1000 FT AND/OR 3 NM (I DON'T BELIEVE) WAS PROVIDED THOSE ACFT DUE TO FAULTY PROCS.

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.