<< >> NASA ASRS Report 543799, April 2002

ZNY ARTCC controller allowed a B757 to descend through an F16's block altitude without insuring lateral separation.

Attributes
ACN	543799
Time
Date	200204
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : dqo.vortac
State Reference	DE
Altitude	msl bound lower : 21000 msl bound upper : 22000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : vacating altitude
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zdc.artcc
Operator	other
Make Model Name	Fighting Falcon F16
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 13
ASRS Report	543799
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne critical non adherence : published procedure non adherence : required legal separation other anomaly other
Independent Detector	atc equipment : conflict alert atc equipment other atc equipment : radar other controllera other flight crewa other flight crewb
Resolutory Action	none taken : detected after the fact
Miss Distance	horizontal : 24000 vertical : 200
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Aircraft X descending on arrival into ewr. Aircraft Y cap over phl active block altitude FL210-FL250. Aircraft X did not descend at a fast enough rate to get under cap.

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Original NASA ASRS Text

Title: ZNY ARTCC CTLR ALLOWED A B757 TO DSND THROUGH AN F16'S BLOCK ALT WITHOUT INSURING LATERAL SEPARATION.

Narrative: ACFT X DSNDING ON ARR INTO EWR. ACFT Y CAP OVER PHL ACTIVE BLOCK ALT FL210-FL250. ACFT X DID NOT DSND AT A FAST ENOUGH RATE TO GET UNDER CAP.

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.