Air carrier X TCASII TA refused clearance. Pilot deviation.

Attributes
ACN	245875
Time
Date	199307
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : teb
State Reference	NJ
Altitude	msl bound lower : 3000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : n90
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Flight Phase	cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 4
ASRS Report	245875
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	non adherence : clearance non adherence : far other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other controllera
Resolutory Action	none taken : unable
Consequence	Other
Miss Distance	horizontal : 24000 vertical : 1000
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Air carrier X refused to descend to 3000 from 4000 due to TA (not RA). His sequence to final, which was an air carrier Y 4 NM in front doing same speed same direction. I feel this is very unsafe.

Original NASA ASRS Text

Title: ACR X TCASII TA REFUSED CLRNC. PLTDEV.

Narrative: ACR X REFUSED TO DSND TO 3000 FROM 4000 DUE TO TA (NOT RA). HIS SEQUENCE TO FINAL, WHICH WAS AN ACR Y 4 NM IN FRONT DOING SAME SPD SAME DIRECTION. I FEEL THIS IS VERY UNSAFE.

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.