Close proximity air carrier-large transport GA-small aircraft near non tower airport traffic pattern...

Attributes
ACN	193787
Time
Date	199110
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : swf
State Reference	NY
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Controlling Facilities	tower : swf
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	cruise other cruise other
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 7500 flight time type : 5000
ASRS Report	193787
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	conflict : nmac
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 300 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

Flight ord-swf 2 mi outside OM for ILS 9 at swf, cleared for approach, level 3000 ft MSL. Copilot spotted aircraft in captain's left window, same altitude, approximately 300 ft horizontal distance. I dove aircraft as other aircraft made sharp climbing left turn. Other aircraft was single engine, low wing. He appeared to be heading approximately 110 degree. Time from sighting to evasive action approximately 1 second. 3 passenger later commented on proximity of aircraft. Cabin crew and passenger were unaware of evasive action -- no injuries. Orange county airport, small uncontrolled field, is slightly north of neely. Swf tower controller suspected this aircraft was in some sort of pattern for orange county.

Original NASA ASRS Text

Title: CLOSE PROX ACR-LGT GA-SMA NEAR NON TWR ARPT TFC PATTERN.

Narrative: FLT ORD-SWF 2 MI OUTSIDE OM FOR ILS 9 AT SWF, CLRED FOR APCH, LEVEL 3000 FT MSL. COPLT SPOTTED ACFT IN CAPT'S L WINDOW, SAME ALT, APPROX 300 FT HORIZ DISTANCE. I DOVE ACFT AS OTHER ACFT MADE SHARP CLBING L TURN. OTHER ACFT WAS SINGLE ENG, LOW WING. HE APPEARED TO BE HDG APPROX 110 DEG. TIME FROM SIGHTING TO EVASIVE ACTION APPROX 1 SECOND. 3 PAX LATER COMMENTED ON PROX OF ACFT. CABIN CREW AND PAX WERE UNAWARE OF EVASIVE ACTION -- NO INJURIES. ORANGE COUNTY ARPT, SMALL UNCTLED FIELD, IS SLIGHTLY N OF NEELY. SWF TWR CTLR SUSPECTED THIS ACFT WAS IN SOME SORT OF PATTERN FOR ORANGE COUNTY.

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.