Near midair collision.

Attributes
ACN	260363
Time
Date	199401
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : sli airport : sna
State Reference	CA
Altitude	msl bound lower : 4500 msl bound upper : 4500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : sna
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 135
Flight Phase	descent other
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	M-20 F Executive 21
Operating Under FAR Part	Part 91
Flight Phase	cruise other
Flight Plan	VFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 220 flight time total : 8500 flight time type : 2500
ASRS Report	260363
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	conflict : nmac non adherence : far
Independent Detector	other controllera
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 300 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Traffic called 12 O'clock by approach. We acquired its landing light almost 10 seconds prior to near midair collision. Traffic (mooney executive) passed off our left as we had to make a right turn to avoid it. He never saw us! Even with ATC radar, you have to 'see' to 'avoid.'

Original NASA ASRS Text

Title: NMAC.

Narrative: TFC CALLED 12 O'CLOCK BY APCH. WE ACQUIRED ITS LNDG LIGHT ALMOST 10 SECONDS PRIOR TO NMAC. TFC (MOONEY EXECUTIVE) PASSED OFF OUR L AS WE HAD TO MAKE A R TURN TO AVOID IT. HE NEVER SAW US! EVEN WITH ATC RADAR, YOU HAVE TO 'SEE' TO 'AVOID.'

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.