Pilot of M20P has near midair collision near har.

Attributes
ACN	612794
Time
Date	200403
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	navaid : har.vortac
State Reference	PA
Altitude	msl single value : 7500
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tracon : mdt.tracon
Operator	general aviation : personal
Make Model Name	M-20 J (201)
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Route In Use	enroute : on vectors
Flight Plan	None
Aircraft 2
Controlling Facilities	tracon : mdt.tracon
Make Model Name	M-20 J (201)
Flight Phase	cruise : level
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : atp pilot : flight engineer pilot : instrument pilot : multi engine
Experience	flight time last 90 days : 180 flight time total : 15000 flight time type : 6000
ASRS Report	612794
Person 2
Function	flight crew : single pilot
Events
Anomaly	conflict : nmac
Independent Detector	aircraft equipment other aircraft equipment : tfc alert system other controllera other flight crewa
Resolutory Action	controller : issued alert flight crew : took evasive action
Miss Distance	horizontal : 0 vertical : 100
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance Airspace Structure

Narrative:

ATC advised traffic 10-11 O'clock position, 2 mi same altitude. At the same time, onboard traffic alert system indicated traffic about 1 mi, 100 ft above. Saw conflicting aircraft off to the left and initiated an immediate descent. Other aircraft appeared to initiate a climb. Passed about 100 ft below other aircraft.

Original NASA ASRS Text

Title: PLT OF M20P HAS NMAC NEAR HAR.

Narrative: ATC ADVISED TFC 10-11 O'CLOCK POS, 2 MI SAME ALT. AT THE SAME TIME, ONBOARD TFC ALERT SYS INDICATED TFC ABOUT 1 MI, 100 FT ABOVE. SAW CONFLICTING ACFT OFF TO THE L AND INITIATED AN IMMEDIATE DSCNT. OTHER ACFT APPEARED TO INITIATE A CLB. PASSED ABOUT 100 FT BELOW OTHER 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.