ZID controller involved in operational error when he climbs a BA46 that conflicts with a B727.

Attributes
ACN	520729
Time
Date	200108
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zid.artcc
State Reference	OH
Altitude	msl bound lower : 27000 msl bound upper : 28000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zid.artcc
Operator	common carrier : air carrier
Make Model Name	HS 125 Series 1-600
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zid.artcc
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	flight time total : 90
ASRS Report	520729
Person 2
Affiliation	government : faa
Function	controller : radar
Experience	controller non radar : 2 controller radar : 17 flight time total : 90
ASRS Report	520730
Events
Anomaly	altitude deviation : overshoot conflict : airborne less severe non adherence : clearance non adherence : required legal separation non adherence : published procedure
Independent Detector	atc equipment : conflict alert
Resolutory Action	none taken : detected after the fact
Consequence	faa : investigated
Miss Distance	horizontal : 16800 vertical : 900
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Aircraft checked on frequency. The radar controller cleared him to FL270. The aircraft climbed beyond FL270. Supplemental information from acn 520730: radar controller issued an amended altitude. Aircraft #1 did not read back clearance, continued to higher altitude through traffic.

Original NASA ASRS Text

Title: ZID CTLR INVOLVED IN OPERROR WHEN HE CLBS A BA46 THAT CONFLICTS WITH A B727.

Narrative: ACFT CHKED ON FREQ. THE RADAR CTLR CLRED HIM TO FL270. THE ACFT CLBED BEYOND FL270. SUPPLEMENTAL INFO FROM ACN 520730: RADAR CTLR ISSUED AN AMENDED ALT. ACFT #1 DID NOT READ BACK CLRNC, CONTINUED TO HIGHER ALT THROUGH TFC.

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.