Near midair collision with small aircraft operating VFR with no transponder.

Attributes
ACN	89460
Time
Date	198806
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : mfd
State Reference	OH
Altitude	msl bound lower : 13500 msl bound upper : 13500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	cruise other
Flight Plan	VFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 240 flight time total : 15700
ASRS Report	89460
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	conflict : nmac
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 200 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

Climbing through 13500' a blue/white small aircraft appeared at our 12:30 position. The captain made a hard 60 degree bank turn to the right and missed the small aircraft by approximately 200'. Cle center (frequency 134.9) was working our flight, but controller did not spot the small aircraft until after it had passed us and we reported the near miss. The WX was VFR with some showers in the area. Our position was 050 degrees/15 mi from mansfield VOR and 240 degrees right/95 mi rosewood VOR. The factors that contributed to this incident were that the small aircraft was not communicating with cle center, did not have a transponder, and cle center did not see this aircraft in their scope. I highly recommend that all aircraft have transponders with mode C.

Original NASA ASRS Text

Title: NMAC WITH SMA OPERATING VFR WITH NO TRANSPONDER.

Narrative: CLBING THROUGH 13500' A BLUE/WHITE SMA APPEARED AT OUR 12:30 POS. THE CAPT MADE A HARD 60 DEG BANK TURN TO THE RIGHT AND MISSED THE SMA BY APPROX 200'. CLE CENTER (FREQ 134.9) WAS WORKING OUR FLT, BUT CTLR DID NOT SPOT THE SMA UNTIL AFTER IT HAD PASSED US AND WE RPTED THE NEAR MISS. THE WX WAS VFR WITH SOME SHOWERS IN THE AREA. OUR POS WAS 050 DEGS/15 MI FROM MANSFIELD VOR AND 240 DEGS R/95 MI ROSEWOOD VOR. THE FACTORS THAT CONTRIBUTED TO THIS INCIDENT WERE THAT THE SMA WAS NOT COMMUNICATING WITH CLE CENTER, DID NOT HAVE A TRANSPONDER, AND CLE CENTER DID NOT SEE THIS ACFT IN THEIR SCOPE. I HIGHLY RECOMMEND THAT ALL ACFT HAVE TRANSPONDERS WITH MODE C.

Data retrieved from NASA's ASRS site as of August 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.