TRACON controller failed to hear readback error from pilot which resulted in the aircraft penetration another controller's airspace without proper coordination. No loss of separation.

Home

Browse by month

Random

Latest

About

Contact

Attributes
ACN	143985
Time
Date	199004
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : atl
State Reference	GA
Altitude	msl bound lower : 12000 msl bound upper : 10000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : atl tower : sna
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	descent other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
ASRS Report	143985
Person 2
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	altitude deviation : overshoot non adherence : published procedure other anomaly other
Independent Detector	other controllera
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation other

Narrative:

Air carrier flight XXX was advised to descend and maintain 12000'. Pilot read back 10000'. Controller didn't hear readback. Aircraft reported level at 10000'. Controller pointed out traffic to the controller, who had responsibility for 10000'. No other aircraft were involved. The controller who had 10000' advised he had seen the aircraft leave 11000' and protected it.

Original NASA ASRS Text

Title: TRACON CTLR FAILED TO HEAR READBACK ERROR FROM PLT WHICH RESULTED IN THE ACFT PENETRATION ANOTHER CTLR'S AIRSPACE WITHOUT PROPER COORD. NO LOSS OF SEPARATION.

Narrative: ACR FLT XXX WAS ADVISED TO DSND AND MAINTAIN 12000'. PLT READ BACK 10000'. CTLR DIDN'T HEAR READBACK. ACFT RPTED LEVEL AT 10000'. CTLR POINTED OUT TFC TO THE CTLR, WHO HAD RESPONSIBILITY FOR 10000'. NO OTHER ACFT WERE INVOLVED. THE CTLR WHO HAD 10000' ADVISED HE HAD SEEN THE ACFT LEAVE 11000' AND PROTECTED IT.

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.