An small aircraft aircraft invades the class B near hpn and creates a potential conflict for an arrival FK100. Controller asks for small aircraft's tail number after FK100 crew climbs above small aircraft's altitude.

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Attributes
ACN	398637
Time
Date	199804
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : hpn
State Reference	NY
Altitude	msl bound lower : 2000 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent : approach
Route In Use	approach : visual arrival other
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	cruise other cruise other
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	398637
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
ASRS Report	398638
Events
Anomaly	conflict : airborne less severe non adherence : far other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other controllera
Resolutory Action	controller : issued new clearance flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 4000 vertical : 500
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Location: along shoreline for right base for runway 34 cleared for the visual approach by ny to maintain at least 2000 ft until final approach course and over the shoreline inbound. The controller called out traffic at 12 O'clock position and our altitude. We picked him up on TCASII but could not see the traffic visually but he was 100 ft below and within 1 mi on TCASII. We received a TA but no RA and initiated a climb. The controller said he was at 12 O'clock position and less than 1 mi. Continued a climb to 3500 ft which gave us a 500 ft separation. Then the controller asked us to maintain 3000 ft. We said we were at 3500 ft. Then he had us climb to 4000 ft. Then we were vectored back for a visual to runway 34. The controller asked the light aircraft for its tail number and informed him he had violated class B airspace.

Original NASA ASRS Text

Title: AN SMA ACFT INVADES THE CLASS B NEAR HPN AND CREATES A POTENTIAL CONFLICT FOR AN ARR FK100. CTLR ASKS FOR SMA'S TAIL NUMBER AFTER FK100 CREW CLBS ABOVE SMA'S ALT.

Narrative: LOCATION: ALONG SHORELINE FOR R BASE FOR RWY 34 CLRED FOR THE VISUAL APCH BY NY TO MAINTAIN AT LEAST 2000 FT UNTIL FINAL APCH COURSE AND OVER THE SHORELINE INBOUND. THE CTLR CALLED OUT TFC AT 12 O'CLOCK POS AND OUR ALT. WE PICKED HIM UP ON TCASII BUT COULD NOT SEE THE TFC VISUALLY BUT HE WAS 100 FT BELOW AND WITHIN 1 MI ON TCASII. WE RECEIVED A TA BUT NO RA AND INITIATED A CLB. THE CTLR SAID HE WAS AT 12 O'CLOCK POS AND LESS THAN 1 MI. CONTINUED A CLB TO 3500 FT WHICH GAVE US A 500 FT SEPARATION. THEN THE CTLR ASKED US TO MAINTAIN 3000 FT. WE SAID WE WERE AT 3500 FT. THEN HE HAD US CLB TO 4000 FT. THEN WE WERE VECTORED BACK FOR A VISUAL TO RWY 34. THE CTLR ASKED THE LIGHT ACFT FOR ITS TAIL NUMBER AND INFORMED HIM HE HAD VIOLATED CLASS B AIRSPACE.

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.