Commuter aircraft on descent to ewr has near midair collision with single engine aircraft.

Attributes
ACN	157334
Time
Date	199009
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : ewr
State Reference	NJ
Altitude	msl bound lower : 3000 msl bound upper : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Medium Transport, High Wing, 2 Turboprop Eng
Navigation In Use	Other
Flight Phase	descent other
Route In Use	enroute airway : n90
Flight Plan	IFR
Aircraft 2
Make Model Name	Small Aircraft
Flight Phase	climbout : intermediate altitude
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 240 flight time total : 10000 flight time type : 300
ASRS Report	157334
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	conflict : nmac other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 100 vertical : 100
Supplementary
Primary Problem	Ambiguous

Narrative:

27 mi from ewr (southwest of linden airport) given a descent clearance from 5000' to 3000'. At 4000' aircraft (single) climbing from left to right had to turn autoplt off and dive to 3000' and turned to left. The aircraft was about 22 mi out. The controller said they are trying to change the airspace there, but with no results. Also ATC did not tell us about the aircraft.

Original NASA ASRS Text

Title: COMMUTER ACFT ON DESCENT TO EWR HAS NMAC WITH SINGLE ENGINE ACFT.

Narrative: 27 MI FROM EWR (SW OF LINDEN ARPT) GIVEN A DSNT CLRNC FROM 5000' TO 3000'. AT 4000' ACFT (SINGLE) CLBING FROM L TO R HAD TO TURN AUTOPLT OFF AND DIVE TO 3000' AND TURNED TO L. THE ACFT WAS ABOUT 22 MI OUT. THE CTLR SAID THEY ARE TRYING TO CHANGE THE AIRSPACE THERE, BUT WITH NO RESULTS. ALSO ATC DID NOT TELL US ABOUT THE ACFT.

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.