Phl controller vectoring several aircraft lost required separation.

Attributes
ACN	600004
Time
Date	200311
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : mxe.vortac
State Reference	PA
Altitude	msl single value : 4000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : phl.tracon
Operator	general aviation : personal
Make Model Name	Citation III, VI, VII
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Aircraft 2
Controlling Facilities	tracon : phl.tracon
Operator	general aviation : personal
Make Model Name	PA-31 Navajo Chieftan/Mojave/Navajo T1020
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller time certified in position1 : 4
Person 2
Affiliation	other
Function	flight crew : single pilot
Events
Anomaly	conflict : airborne less severe non adherence : published procedure non adherence : required legal separation
Independent Detector	atc equipment : conflict alert other controllera
Resolutory Action	controller : issued new clearance controller : issued alert
Consequence	faa : investigated
Miss Distance	horizontal : 6000 vertical : 0
Supplementary
Problem Areas	Environmental Factor ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

C650 direct to mxe for ILS runway 29 approach into 40N. PA31 on V29 at 4000 ft, sbound. I was working numerous aircraft, when due to the complexity, the 2 aircraft were less than 3 mi apart. At the time, I was vectoring at least 6 aircraft on conflicting course.

Original NASA ASRS Text

Title: PHL CTLR VECTORING SEVERAL ACFT LOST REQUIRED SEPARATION.

Narrative: C650 DIRECT TO MXE FOR ILS RWY 29 APCH INTO 40N. PA31 ON V29 AT 4000 FT, SBOUND. I WAS WORKING NUMEROUS ACFT, WHEN DUE TO THE COMPLEXITY, THE 2 ACFT WERE LESS THAN 3 MI APART. AT THE TIME, I WAS VECTORING AT LEAST 6 ACFT ON CONFLICTING COURSE.

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.