Single engine aircraft has near midair collision at uncontrolled airport.

Attributes
ACN	547466
Time
Date	200205
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : thv.airport
State Reference	PA
Altitude	msl single value : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air taxi
Make Model Name	Citation V
Operating Under FAR Part	Part 135
Navigation In Use	other
Flight Phase	descent : intermediate altitude
Route In Use	approach : traffic pattern
Flight Plan	VFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	descent : intermediate altitude
Route In Use	approach : traffic pattern
Person 1
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 50 flight time total : 7000 flight time type : 1500
ASRS Report	547466
Person 2
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : nmac non adherence : far
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Near miss over thv, 2500 ft VFR. Called approximately 10 mi west 'going to cross mid field at 2500 ft on CTAF 123.0. Approximately 2 mi east of thv, saw single engine airplane enter hard left turn directly in front of me, approximately 200-400 ft horizontal and 100 ft vertical. I made an immediate left turn. Filed near midair collision report.

Original NASA ASRS Text

Title: SINGLE ENG ACFT HAS NMAC AT UNCTLED ARPT.

Narrative: NEAR MISS OVER THV, 2500 FT VFR. CALLED APPROX 10 MI W 'GOING TO CROSS MID FIELD AT 2500 FT ON CTAF 123.0. APPROX 2 MI E OF THV, SAW SINGLE ENG AIRPLANE ENTER HARD L TURN DIRECTLY IN FRONT OF ME, APPROX 200-400 FT HORIZ AND 100 FT VERT. I MADE AN IMMEDIATE L TURN. FILED NMAC RPT.

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.