An event described by a ZOB radar handoff controller where a BA46B overtakes an SF34 resulting in a ...

Attributes
ACN	563522
Time
Date	200210
Day	Fri
Local Time Of Day	1201 To 1800
Place
State Reference	OH
Altitude	msl bound lower : 11000 msl bound upper : 13000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob.artcc
Operator	common carrier : air carrier
Make Model Name	BAe 146 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : intermediate altitude
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zob.artcc
Operator	common carrier : air carrier
Make Model Name	SF 340A
Operating Under FAR Part	Part 121
Flight Phase	descent : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : handoff position controller : radar
Qualification	controller : developmental
Experience	controller time certified in position2 : 1 flight time total : 37
ASRS Report	563522
Person 2
Affiliation	government : faa
Function	controller : radar
Events
Anomaly	conflict : airborne critical non adherence : published procedure non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : radar other controllera other controllerb other flight crewa other flight crewb
Resolutory Action	flight crew : took evasive action none taken : detected after the fact
Consequence	faa : investigated
Miss Distance	horizontal : 21000 vertical : 400
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Both aircraft were landing detroit, being vectored to the cetus intersection. The BA46 was behind the SF34 in the descent. The BA46 was assigned a speed of 210 KTS at first and was then given normal speed. The BA46 was at 130 KTS. At the time the SF34 was assigned speed 110 KTS. Before the SF34 could reach speed 110 KTS, it was overtaken by the BA46. It was simply an oversight at the sector.

Original NASA ASRS Text

Title: AN EVENT DESCRIBED BY A ZOB RADAR HDOF CTLR WHERE A BA46B OVERTAKES AN SF34 RESULTING IN A LOSS OF SEPARATION.

Narrative: BOTH ACFT WERE LNDG DETROIT, BEING VECTORED TO THE CETUS INTXN. THE BA46 WAS BEHIND THE SF34 IN THE DSCNT. THE BA46 WAS ASSIGNED A SPD OF 210 KTS AT FIRST AND WAS THEN GIVEN NORMAL SPD. THE BA46 WAS AT 130 KTS. AT THE TIME THE SF34 WAS ASSIGNED SPD 110 KTS. BEFORE THE SF34 COULD REACH SPD 110 KTS, IT WAS OVERTAKEN BY THE BA46. IT WAS SIMPLY AN OVERSIGHT AT THE SECTOR.

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.

An event described by a ZOB radar handoff controller where a BA46B overtakes an SF34 resulting in a loss of separation.