<< >> NASA ASRS Report 387525, November 1997

Zlin 50 small aircraft aircraft in traffic pattern observed a C172 pass under and to the right of him. Reporter pilot believes the other pilot never saw him.

Attributes
ACN	387525
Time
Date	199711
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : ccb
State Reference	CA
Altitude	msl bound lower : 2600 msl bound upper : 2600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	other
Flight Plan	None
Aircraft 2
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	other
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	other other : other pilot : commercial pilot : instrument
Experience	flight time last 90 days : 30 flight time total : 3500 flight time type : 300
ASRS Report	387525
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : nmac non adherence : far other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 500 vertical : 500
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I was on downwind approaching cable to land. I was at an altitude approximately 350 ft above pattern altitude (fortunately). A C172 passed under me approximately 500 ft from my right rear quadrant, turned 45 degrees to the right, and then turned base and landed. There was never any danger of a collision, but it is clear that the cessna pilot never saw me, established on downwind (if a little high), or heard my radio call. I made a 360 degree turn to the right, entered the downwind and landed without incident. This is a reminder to me -- don't get complacent in the pattern. I don't see what I could have done to avoid this, since the cessna overtook me.

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Original NASA ASRS Text

Title: ZLIN 50 SMA ACFT IN TFC PATTERN OBSERVED A C172 PASS UNDER AND TO THE R OF HIM. RPTR PLT BELIEVES THE OTHER PLT NEVER SAW HIM.

Narrative: I WAS ON DOWNWIND APCHING CABLE TO LAND. I WAS AT AN ALT APPROX 350 FT ABOVE PATTERN ALT (FORTUNATELY). A C172 PASSED UNDER ME APPROX 500 FT FROM MY R REAR QUADRANT, TURNED 45 DEGS TO THE R, AND THEN TURNED BASE AND LANDED. THERE WAS NEVER ANY DANGER OF A COLLISION, BUT IT IS CLR THAT THE CESSNA PLT NEVER SAW ME, ESTABLISHED ON DOWNWIND (IF A LITTLE HIGH), OR HEARD MY RADIO CALL. I MADE A 360 DEG TURN TO THE R, ENTERED THE DOWNWIND AND LANDED WITHOUT INCIDENT. THIS IS A REMINDER TO ME -- DON'T GET COMPLACENT IN THE PATTERN. I DON'T SEE WHAT I COULD HAVE DONE TO AVOID THIS, SINCE THE CESSNA OVERTOOK ME.

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.