Near midair collision.

Attributes
ACN	158099
Time
Date	199009
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ewr
State Reference	NJ
Altitude	msl bound lower : 7300 msl bound upper : 7450
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent other
Route In Use	arrival other enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	general aviation : corporate
Make Model Name	Small Transport, Low Wing, 2 Turboprop Eng
Flight Phase	cruise other
Flight Plan	VFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : atp pilot : commercial pilot : flight engineer
Experience	flight time last 90 days : 160 flight time total : 16000 flight time type : 3000
ASRS Report	158099
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi pilot : flight engineer
Experience	flight time last 90 days : 130 flight time total : 9700 flight time type : 900
ASRS Report	158085
Events
Anomaly	conflict : nmac non adherence : far
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	Other
Miss Distance	horizontal : 0 vertical : 150
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Descending on radar vector 20 NM southwest of ewr. Scattered cumulus in area. Passing 7400' saw light twin turbo propeller, white with red trim, red letter on tail, t-tail. He was 9:30 to me and 1000' away. Passed direct over us 100-200'. Called approach and was told, 'he just popped up on our radar.'

Original NASA ASRS Text

Title: NMAC.

Narrative: DSNDING ON RADAR VECTOR 20 NM SW OF EWR. SCATTERED CUMULUS IN AREA. PASSING 7400' SAW LIGHT TWIN TURBO PROP, WHITE WITH RED TRIM, RED LETTER ON TAIL, T-TAIL. HE WAS 9:30 TO ME AND 1000' AWAY. PASSED DIRECT OVER US 100-200'. CALLED APCH AND WAS TOLD, 'HE JUST POPPED UP ON OUR RADAR.'

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.