Y90 controller experienced operational error during converging course incident.

Attributes
ACN	628902
Time
Date	200408
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	navaid : put.vortac
State Reference	CT
Altitude	msl single value : 10000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : y90.tracon
Operator	common carrier : air taxi
Make Model Name	Jetstream 31
Operating Under FAR Part	Part 135
Flight Phase	cruise : level
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : y90.tracon
Operator	general aviation : corporate
Make Model Name	Citation V
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 18 controller supervisory : 3
ASRS Report	628902
Person 2
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation
Independent Detector	atc equipment : conflict alert other controllera
Resolutory Action	controller : issued alert flight crew : took evasive action
Consequence	faa : investigated
Miss Distance	horizontal : 7800 vertical : 100
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Aircraft on converging course, noticed too late. Turned both aircraft and descended one. I believe inattn was the cause, tired after session of busy traffic. Need more controllers -- we are getting old. Hire many young controllers.

Original NASA ASRS Text

Title: Y90 CTLR EXPERIENCED OPERROR DURING CONVERGING COURSE INCIDENT.

Narrative: ACFT ON CONVERGING COURSE, NOTICED TOO LATE. TURNED BOTH ACFT AND DSNDED ONE. I BELIEVE INATTN WAS THE CAUSE, TIRED AFTER SESSION OF BUSY TFC. NEED MORE CTLRS -- WE ARE GETTING OLD. HIRE MANY YOUNG CTLRS.

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.