<< >> NASA ASRS Report 588953, July 2003

CL65 crew in holding pattern takes evasive action when an MD88 approaches the holding pattern at the same altitude.

Attributes
ACN	588953
Time
Date	200307
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	intersection : neuto
State Reference	TN
Altitude	msl single value : 29000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : ztl.artcc
Operator	common carrier : air carrier
Make Model Name	Regional Jet CL65, Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : approach descent : intermediate altitude
Route In Use	arrival star : rome
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : ztl.artcc
Operator	common carrier : air carrier
Make Model Name	MD-88
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : atp
Experience	flight time last 90 days : 250 flight time total : 3075 flight time type : 1525
ASRS Report	588953
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	conflict : airborne critical non adherence : published procedure non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : radar mode c aircraft equipment : tcas other controllera other flight crewa other flight crewb other other : 3
Resolutory Action	controller : issued new clearance flight crew : took evasive action
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

We were cleared to hold at neuto intersection on the rmg STAR into atl. After 1 turn in the holding, both captain and first officer noticed an aircraft on TCASII at our altitude on the STAR approaching neuto, approximately 15 mi from our position. As the traffic approached, we established visual contact with the aircraft, an MD88. Subsequently, we received a TCASII TA when we were approximately 3 mi from the conflicting aircraft. ZTL immediately instructed us to make a hard right turn while telling the MD88 to make a hard left turn. Once clear of traffic, we resumed holding at neuto and the MD88 was descended to FL280 and given holding instructions.

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Original NASA ASRS Text

Title: CL65 CREW IN HOLDING PATTERN TAKES EVASIVE ACTION WHEN AN MD88 APPROACHES THE HOLDING PATTERN AT THE SAME ALT.

Narrative: WE WERE CLRED TO HOLD AT NEUTO INTXN ON THE RMG STAR INTO ATL. AFTER 1 TURN IN THE HOLDING, BOTH CAPT AND FO NOTICED AN ACFT ON TCASII AT OUR ALT ON THE STAR APCHING NEUTO, APPROX 15 MI FROM OUR POS. AS THE TFC APCHED, WE ESTABLISHED VISUAL CONTACT WITH THE ACFT, AN MD88. SUBSEQUENTLY, WE RECEIVED A TCASII TA WHEN WE WERE APPROX 3 MI FROM THE CONFLICTING ACFT. ZTL IMMEDIATELY INSTRUCTED US TO MAKE A HARD R TURN WHILE TELLING THE MD88 TO MAKE A HARD L TURN. ONCE CLR OF TFC, WE RESUMED HOLDING AT NEUTO AND THE MD88 WAS DSNDED TO FL280 AND GIVEN HOLDING INSTRUCTIONS.

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.