Air carrier X false TCASII RA from cpr Y climbed from assigned altitude. Pilot deviation.

Attributes
ACN	243765
Time
Date	199306
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : avp
State Reference	NY
Altitude	msl bound lower : 20000 msl bound upper : 20000
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zny tower : phl
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other
Route In Use	enroute : direct
Flight Plan	IFR
Aircraft 2
Operator	general aviation : corporate
Make Model Name	Small Transport, Low Wing, 2 Recip Eng
Flight Phase	cruise other
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
ASRS Report	243765
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 other anomaly other
Independent Detector	other other : unspecified cockpit
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	vertical : 1000
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Air carrier X FL210 and cpr Y at FL200 aircraft cross paths. Air carrier X climbs 400 ft due to an RA. Cpr Y never deviated from his altitude. Either the TCASII or the pilot on air carrier X acted incorrectly.

Original NASA ASRS Text

Title: ACR X FALSE TCASII RA FROM CPR Y CLBED FROM ASSIGNED ALT. PLTDEV.

Narrative: ACR X FL210 AND CPR Y AT FL200 ACFT CROSS PATHS. ACR X CLBS 400 FT DUE TO AN RA. CPR Y NEVER DEVIATED FROM HIS ALT. EITHER THE TCASII OR THE PLT ON ACR X ACTED INCORRECTLY.

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.