Air carrier X TCASII RA from VFR aircraft unauthorized climb to occupied altitude. Pilot deviation.

Attributes
ACN	246538
Time
Date	199307
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : bwz
State Reference	NJ
Altitude	msl bound lower : 11000 msl bound upper : 12000
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Navigation In Use	Other
Flight Phase	other
Route In Use	enroute airway : zny
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 6
ASRS Report	246538
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Air carrier X was holding at 11000 ft. Other aircraft holding from 9000 ft to 13000 ft. Air carrier X at 11000 ft got RA for VFR traffic Y and climbed to miss traffic. Other aircraft holding at 12000 ft in the same pattern. Just luck that standard separation was not lost.

Original NASA ASRS Text

Title: ACR X TCASII RA FROM VFR ACFT UNAUTH CLB TO OCCUPIED ALT. PLTDEV.

Narrative: ACR X WAS HOLDING AT 11000 FT. OTHER ACFT HOLDING FROM 9000 FT TO 13000 FT. ACR X AT 11000 FT GOT RA FOR VFR TFC Y AND CLBED TO MISS TFC. OTHER ACFT HOLDING AT 12000 FT IN THE SAME PATTERN. JUST LUCK THAT STANDARD SEPARATION WAS NOT LOST.

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.