PA28 near midair collision incident with B737 and go around while being sequenced at sna.

Attributes
ACN	469596
Time
Date	200004
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : sna.airport
State Reference	CA
Altitude	agl single value : 500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : sna.tower
Operator	general aviation : personal
Make Model Name	PA-28 Cherokee/Archer II/Dakota/Pillan/Warrior
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : traffic pattern
Flight Plan	None
Aircraft 2
Controlling Facilities	tower : sna.tower
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	approach : straight in
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 16 flight time total : 335 flight time type : 280
ASRS Report	469596
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	non adherence : published procedure non adherence : required legal separation other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	controller : issued advisory flight crew : executed go around flight crew : took evasive action flight crew : took precautionary avoidance action
Miss Distance	horizontal : 0 vertical : 300
Supplementary
Problem Areas	Flight Crew Human Performance Airport ATC Human Performance Airspace Structure
Primary Problem	ATC Human Performance

Narrative:

P28B/U, with flight following, handed off from socal approach to tower. Tower advised to proceed to mile square park, then make right base entry for runway 19R. At that point tower cautioned for B737 off right wing. Pilot of P28B (me) saw B737 off left wing, recognized collision course, arrested descent, and proceeded over B737 into approach area for runway 19L. B737 passed under P28B. P28B then started right 180 degree turn. Tower advised to remain west of airport and that there was a cessna below landing runway 19L. P28B made left turn to runway 19R, noticed B737 landing, and initiated go around.

Original NASA ASRS Text

Title: PA28 NMAC INCIDENT WITH B737 AND GAR WHILE BEING SEQUENCED AT SNA.

Narrative: P28B/U, WITH FLT FOLLOWING, HANDED OFF FROM SOCAL APCH TO TWR. TWR ADVISED TO PROCEED TO MILE SQUARE PARK, THEN MAKE R BASE ENTRY FOR RWY 19R. AT THAT POINT TWR CAUTIONED FOR B737 OFF R WING. PLT OF P28B (ME) SAW B737 OFF L WING, RECOGNIZED COLLISION COURSE, ARRESTED DSCNT, AND PROCEEDED OVER B737 INTO APCH AREA FOR RWY 19L. B737 PASSED UNDER P28B. P28B THEN STARTED R 180 DEG TURN. TWR ADVISED TO REMAIN W OF ARPT AND THAT THERE WAS A CESSNA BELOW LNDG RWY 19L. P28B MADE L TURN TO RWY 19R, NOTICED B737 LNDG, AND INITIATED GAR.

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.