<< >> NASA ASRS Report 331180, March 1996

The flight crew responding to a TCASII RA climbed through the assigned 2000 ft to 2500 ft in VMC to avoid the traffic at 2000 ft and 3000 ft. As soon as receiving the clear of conflict the reporter returned to the assigned 2000 ft.

Attributes
ACN	331180
Time
Date	199603
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : pbi
State Reference	FL
Altitude	msl bound lower : 2000 msl bound upper : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : pbi tower : stl
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial climbout : intermediate altitude climbout : takeoff
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 5800 flight time type : 1387
ASRS Report	331180
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Miss Distance	vertical : 500
Supplementary
Air Traffic Incident	other

Narrative:

2-3 mins into our departure from runway 13 at pbi, while acting as sic and PF, pbi departure control instructed us to maintain 2000 ft. Before leveloff an RA was reported by TCASII at 12 O'clock, less than 1/2 mi at same altitude. The RA was to climb, and the captain instructed me to continue climbing to 2500 ft. This was done during VMC conditions. The captain was contacted by ATC to warn us about the altitude about the same time he was to report the RA. Additionally, we noted another traffic at 11 O'clock and 3-4 mi, level 3000 ft. It was resolved to maintain 2500 ft due to the immediate threat and to clear the 3000 ft traffic. The captain radioed twice that we had an RA to ATC. There was no acknowledgement made by ATC. After the TCASII gave the clear of conflict advisory, the aircraft was returned to the assigned altitude. This is not an isolated incident in the pbi area. This is due to the area and altitude through which we are vectored.

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Original NASA ASRS Text

Title: THE FLC RESPONDING TO A TCASII RA CLBED THROUGH THE ASSIGNED 2000 FT TO 2500 FT IN VMC TO AVOID THE TFC AT 2000 FT AND 3000 FT. AS SOON AS RECEIVING THE CLR OF CONFLICT THE RPTR RETURNED TO THE ASSIGNED 2000 FT.

Narrative: 2-3 MINS INTO OUR DEP FROM RWY 13 AT PBI, WHILE ACTING AS SIC AND PF, PBI DEP CTL INSTRUCTED US TO MAINTAIN 2000 FT. BEFORE LEVELOFF AN RA WAS RPTED BY TCASII AT 12 O'CLOCK, LESS THAN 1/2 MI AT SAME ALT. THE RA WAS TO CLB, AND THE CAPT INSTRUCTED ME TO CONTINUE CLBING TO 2500 FT. THIS WAS DONE DURING VMC CONDITIONS. THE CAPT WAS CONTACTED BY ATC TO WARN US ABOUT THE ALT ABOUT THE SAME TIME HE WAS TO RPT THE RA. ADDITIONALLY, WE NOTED ANOTHER TFC AT 11 O'CLOCK AND 3-4 MI, LEVEL 3000 FT. IT WAS RESOLVED TO MAINTAIN 2500 FT DUE TO THE IMMEDIATE THREAT AND TO CLR THE 3000 FT TFC. THE CAPT RADIOED TWICE THAT WE HAD AN RA TO ATC. THERE WAS NO ACKNOWLEDGEMENT MADE BY ATC. AFTER THE TCASII GAVE THE CLR OF CONFLICT ADVISORY, THE ACFT WAS RETURNED TO THE ASSIGNED ALT. THIS IS NOT AN ISOLATED INCIDENT IN THE PBI AREA. THIS IS DUE TO THE AREA AND ALT THROUGH WHICH WE ARE VECTORED.

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.