2 smas had an near midair collision at an uncontrolled airport.

Attributes
ACN	244304
Time
Date	199306
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : ohs1 airport : oh21
State Reference	OH
Altitude	msl bound lower : 1700 msl bound upper : 1700
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	cruise other descent : approach
Flight Plan	VFR
Aircraft 2
Make Model Name	Small Aircraft
Flight Phase	cruise other descent : approach
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 4 flight time total : 600 flight time type : 45
ASRS Report	244304
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : nmac non adherence : far other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	Other
Miss Distance	vertical : 100
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Problem developed due to pilot of other aircraft not following prescribed landing procedures. He entered traffic pattern on a base leg while there were 3 other aircraft in the pattern. In addition, no radio xmissions were discernable by any of the 3 landing aircraft. Being #3, I was on downwind for runway 10 just about to turn base when the 'bogie' passed beneath my aircraft. No chance for evasive action since my attention was to the left (south) while he came out of the north. Upon landing, thoroughly discussed the event with 'bogie' and refrained from physical contact, although sorely tempted. He said he never saw me or the other aircraft.

Original NASA ASRS Text

Title: 2 SMAS HAD AN NMAC AT AN UNCTLED ARPT.

Narrative: PROB DEVELOPED DUE TO PLT OF OTHER ACFT NOT FOLLOWING PRESCRIBED LNDG PROCS. HE ENTERED TFC PATTERN ON A BASE LEG WHILE THERE WERE 3 OTHER ACFT IN THE PATTERN. IN ADDITION, NO RADIO XMISSIONS WERE DISCERNABLE BY ANY OF THE 3 LNDG ACFT. BEING #3, I WAS ON DOWNWIND FOR RWY 10 JUST ABOUT TO TURN BASE WHEN THE 'BOGIE' PASSED BENEATH MY ACFT. NO CHANCE FOR EVASIVE ACTION SINCE MY ATTN WAS TO THE L (S) WHILE HE CAME OUT OF THE N. UPON LNDG, THOROUGHLY DISCUSSED THE EVENT WITH 'BOGIE' AND REFRAINED FROM PHYSICAL CONTACT, ALTHOUGH SORELY TEMPTED. HE SAID HE NEVER SAW ME OR THE 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.