<< >> NASA ASRS Report 84714, February 1988

Small aircraft aircraft conducting BFR at uncontrolled airport has near midair collision with small aircraft flying a non standard pattern.

Attributes
ACN	84714
Time
Date	198802
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : snl
State Reference	OK
Altitude	msl bound lower : 1600 msl bound upper : 1600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Retractable Gear
Flight Phase	descent : approach
Flight Plan	VFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 50 flight time total : 5000 flight time type : 350
ASRS Report	84714
Person 2
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : nmac other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	Other
Miss Distance	horizontal : 100 vertical : 500
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While on final to runway 17, an small aircraft X transmitted his position over unicom to be on downwind to runway 17. When I was unable to locate an aircraft in this area, I did make visual contact with an aircraft located just east of runway 17 at midfield and approximately 500-600' AGL with a west heading. I lost sight of this aircraft for a brief time because of ground clutter. I was unable to get a response on unicom. This aircraft never came back into sight until we were at the same altitude and on a collision course. The small aircraft X never saw us. We were lucky someone was flying outside as well as inside. The small aircraft X never saw us, made a touch and go and departed.

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Original NASA ASRS Text

Title: SMA ACFT CONDUCTING BFR AT UNCONTROLLED ARPT HAS NMAC WITH SMA FLYING A NON STANDARD PATTERN.

Narrative: WHILE ON FINAL TO RWY 17, AN SMA X TRANSMITTED HIS POS OVER UNICOM TO BE ON DOWNWIND TO RWY 17. WHEN I WAS UNABLE TO LOCATE AN ACFT IN THIS AREA, I DID MAKE VISUAL CONTACT WITH AN ACFT LOCATED JUST E OF RWY 17 AT MIDFIELD AND APPROX 500-600' AGL WITH A W HDG. I LOST SIGHT OF THIS ACFT FOR A BRIEF TIME BECAUSE OF GND CLUTTER. I WAS UNABLE TO GET A RESPONSE ON UNICOM. THIS ACFT NEVER CAME BACK INTO SIGHT UNTIL WE WERE AT THE SAME ALT AND ON A COLLISION COURSE. THE SMA X NEVER SAW US. WE WERE LUCKY SOMEONE WAS FLYING OUTSIDE AS WELL AS INSIDE. THE SMA X NEVER SAW US, MADE A TOUCH AND GO AND DEPARTED.

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.