<< >> NASA ASRS Report 739383, May 2007

An air carrier aircraft at FL310 in mkjk airspace experienced a near miss with a climbing air carrier that overshot its assigned FL300 climbing to FL320; thus forcing the reporter's aircraft to TCAS climb.

Attributes
ACN	739383
Time
Date	200705
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : mkjk.artcc
State Reference	FO
Altitude	msl bound lower : 31000 msl bound upper : 31400
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : mkjk.artcc tower : clt.tower
Operator	common carrier : air carrier
Make Model Name	A300
Operating Under FAR Part	Part 121
Route In Use	enroute airway : ug430.airway
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : mkjk.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	739383
Events
Anomaly	altitude deviation : overshoot conflict : nmac non adherence : clearance non adherence : far
Independent Detector	aircraft equipment : tcas other flight crewa
Resolutory Action	flight crew : took evasive action
Miss Distance	vertical : 200
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Going south to skbo on UG430 at FL310 at putul leaving havana airspace for kingston airspace at XA45Z when we noticed a target on TCAS climbing north from FL290 and received a 'traffic' alert. We both watch as the traffic continued past FL300 at 700 ft below us and still climbing the TCAS instructed me to 'climb;' which I proceeded for 400 ft above FL310. Air carrier Y went right below us and missed us by only a few hundred feet and continued climbing to FL320. During the response to the TCAS warning I heard kingston center ask air carrier Y if he saw the traffic (us) and he replied 'that we just went over top of him.' shortly after the near miss air carrier Y asked kingston center 'what altitude are we supposed to be at?' and kingston center stated 'FL300' at which point the aircraft descended back from FL320 to FL300.

Related reports:

• Mci controller experienced operational error at 3000 ft with...
• MD88 experienced conflict at FL230 as controller erred and c...
• Air carrier on vectors for visual approach to elp experience...
• Reporter's aircraft experienced loss of all electrical power...
• Reporter's facility is located on a military base which expe...

	Enter your search terms Submit search form
	Web www.37000feet.com

Original NASA ASRS Text

Title: AN ACR ACFT AT FL310 IN MKJK AIRSPACE EXPERIENCED A NEAR MISS WITH A CLBING ACR THAT OVERSHOT ITS ASSIGNED FL300 CLBING TO FL320; THUS FORCING THE REPORTER'S ACFT TO TCAS CLB.

Narrative: GOING S TO SKBO ON UG430 AT FL310 AT PUTUL LEAVING HAVANA AIRSPACE FOR KINGSTON AIRSPACE AT XA45Z WHEN WE NOTICED A TARGET ON TCAS CLBING N FROM FL290 AND RECEIVED A 'TFC' ALERT. WE BOTH WATCH AS THE TFC CONTINUED PAST FL300 AT 700 FT BELOW US AND STILL CLBING THE TCAS INSTRUCTED ME TO 'CLB;' WHICH I PROCEEDED FOR 400 FT ABOVE FL310. ACR Y WENT RIGHT BELOW US AND MISSED US BY ONLY A FEW HUNDRED FEET AND CONTINUED CLBING TO FL320. DURING THE RESPONSE TO THE TCAS WARNING I HEARD KINGSTON CTR ASK ACR Y IF HE SAW THE TFC (US) AND HE REPLIED 'THAT WE JUST WENT OVER TOP OF HIM.' SHORTLY AFTER THE NEAR MISS ACR Y ASKED KINGSTON CTR 'WHAT ALT ARE WE SUPPOSED TO BE AT?' AND KINGSTON CTR STATED 'FL300' AT WHICH POINT THE ACFT DSNDED BACK FROM FL320 TO FL300.

Data retrieved from NASA's ASRS site as of January 2009 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.