<< >> NASA ASRS Report 638856, November 2004

Loss of separation at FL380 between a northbound A319 and a sbound B767 95 NM south of grann intersection on frequency with new york radio.

Attributes
ACN	638856
Time
Date	200411
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	intersection : grann
State Reference	PR
Altitude	msl single value : 38000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zny.artcc artcc : zsu.artcc
Operator	common carrier : air carrier
Make Model Name	A319
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Route In Use	enroute : atlantic
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Route In Use	enroute : atlantic
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : cfi pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 200 flight time total : 18500 flight time type : 2000
ASRS Report	638856
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne critical non adherence : published procedure non adherence : required legal separation other anomaly other
Independent Detector	aircraft equipment : tcas other flight crewa other flight crewb
Resolutory Action	flight crew : took evasive action other
Miss Distance	horizontal : 0 vertical : 1000
Supplementary
Problem Areas	Airspace Structure ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Inter Facility Coordination Failure Operational Error

Narrative:

Cleared dande intersection direct grann, cleared to FL380. Level at FL380, ZSU switched radio to new york comrdo operator on 130.7 for oceanic. Approximately 95 mi south of grann, received TA, then RA to climb. Aircraft was visually acquired, we climbed, B767 descended. We passed directly overhead of B767. We were both at assigned altitude of FL380, and on assigned course. Mix-up was with ZSU and new york oceanic controllers. New york comrdo operator was advised immediately.

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Original NASA ASRS Text

Title: LOSS OF SEPARATION AT FL380 BTWN A NBOUND A319 AND A SBOUND B767 95 NM S OF GRANN INTXN ON FREQ WITH NEW YORK RADIO.

Narrative: CLRED DANDE INTXN DIRECT GRANN, CLRED TO FL380. LEVEL AT FL380, ZSU SWITCHED RADIO TO NEW YORK COMRDO OPERATOR ON 130.7 FOR OCEANIC. APPROX 95 MI S OF GRANN, RECEIVED TA, THEN RA TO CLB. ACFT WAS VISUALLY ACQUIRED, WE CLBED, B767 DSNDED. WE PASSED DIRECTLY OVERHEAD OF B767. WE WERE BOTH AT ASSIGNED ALT OF FL380, AND ON ASSIGNED COURSE. MIX-UP WAS WITH ZSU AND NEW YORK OCEANIC CTLRS. NEW YORK COMRDO OPERATOR WAS ADVISED IMMEDIATELY.

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.