Ultra light aircraft pilot and beech baron collided at a light airport sport field.

Attributes
ACN	541464
Time
Date	200203
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl bound lower : 500 agl bound upper : 600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Ultralight
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : traffic pattern
Flight Plan	None
Aircraft 2
Operator	general aviation : personal
Make Model Name	Ultralight
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : traffic pattern
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : commercial
Experience	flight time last 90 days : 45 flight time total : 5000 flight time type : 1700
ASRS Report	541464
Person 2
Affiliation	other
Function	flight crew : single pilot
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa other flight crewb other other : 4
Resolutory Action	flight crew : executed go around none taken : detected after the fact
Consequence	other other
Miss Distance	horizontal : 0 vertical : 0
Supplementary
Problem Areas	Airport Flight Crew Human Performance Aircraft
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

There are 2 active runways. One is paved and used primarily by jump planes. The other is an ultra light field and light sport aircraft field. The pilot of a beech baron had just made a low pass to the north over the paved strip because he didn't have '3 in the green.' ground observers confirmed that all gear were down so the pilot made a go around, but didn't climb to pattern altitude of 2400 ft. I had just taken off toward the south in light and variable winds from the dirt strip and turned to a west crosswind. I was doing a shallow accent out of the ultra light pattern which is inside and 500 ft below the GA pattern. My wingman, in an experimental ultra light had departed before me and radioed on 122.75 that he had seen traffic below and behind him. I looked to my 3 O'clock position and saw the beech slipping under me leaving me a split second to react. He said he had seen me also and had just pushed forward as we passed. I felt a thump and my aircraft rolled to the left and I recovered control after descending approximately 100 ft. I did not notice any difficulty in controling the aircraft and my wingman saw no damage so I opted to return to the dirt ultra light strip. We looked over my aircraft and could see no damage. At this time I thought the thump I felt may have been vortex or just wind blast from the close pass. Then someone came down from the management office and asked if I had been in a midair. He said the beech pilot said he had hit someone. I spoke with the beech pilot and looked over his aircraft. He had a black tire mark on his rudder, not the vertical stabilizer. There was a slight dent in the rudder. He said he had no flight control problems after the incident. We were both very lucky! Both pilots are both familiar with the operations at this airport. Aircraft departing the ultra light strip stay low until we are beyond the GA pattern and watch for GA aircraft. Pilots flying the GA strip fly 1000 ft AGL and watch for ultra lights. The ultra lights who do use radios use their own frequency and the aircraft using the main paved strip use 122.775.

Original NASA ASRS Text

Title: ULTRA LIGHT ACFT PLT AND BEECH BARON COLLIDED AT A LIGHT ARPT SPORT FIELD.

Narrative: THERE ARE 2 ACTIVE RWYS. ONE IS PAVED AND USED PRIMARILY BY JUMP PLANES. THE OTHER IS AN ULTRA LIGHT FIELD AND LIGHT SPORT ACFT FIELD. THE PLT OF A BEECH BARON HAD JUST MADE A LOW PASS TO THE N OVER THE PAVED STRIP BECAUSE HE DIDN'T HAVE '3 IN THE GREEN.' GND OBSERVERS CONFIRMED THAT ALL GEAR WERE DOWN SO THE PLT MADE A GAR, BUT DIDN'T CLB TO PATTERN ALT OF 2400 FT. I HAD JUST TAKEN OFF TOWARD THE S IN LIGHT AND VARIABLE WINDS FROM THE DIRT STRIP AND TURNED TO A W XWIND. I WAS DOING A SHALLOW ACCENT OUT OF THE ULTRA LIGHT PATTERN WHICH IS INSIDE AND 500 FT BELOW THE GA PATTERN. MY WINGMAN, IN AN EXPERIMENTAL ULTRA LIGHT HAD DEPARTED BEFORE ME AND RADIOED ON 122.75 THAT HE HAD SEEN TFC BELOW AND BEHIND HIM. I LOOKED TO MY 3 O'CLOCK POS AND SAW THE BEECH SLIPPING UNDER ME LEAVING ME A SPLIT SECOND TO REACT. HE SAID HE HAD SEEN ME ALSO AND HAD JUST PUSHED FORWARD AS WE PASSED. I FELT A THUMP AND MY ACFT ROLLED TO THE L AND I RECOVERED CTL AFTER DSNDING APPROX 100 FT. I DID NOT NOTICE ANY DIFFICULTY IN CTLING THE ACFT AND MY WINGMAN SAW NO DAMAGE SO I OPTED TO RETURN TO THE DIRT ULTRA LIGHT STRIP. WE LOOKED OVER MY ACFT AND COULD SEE NO DAMAGE. AT THIS TIME I THOUGHT THE THUMP I FELT MAY HAVE BEEN VORTEX OR JUST WIND BLAST FROM THE CLOSE PASS. THEN SOMEONE CAME DOWN FROM THE MGMNT OFFICE AND ASKED IF I HAD BEEN IN A MIDAIR. HE SAID THE BEECH PLT SAID HE HAD HIT SOMEONE. I SPOKE WITH THE BEECH PLT AND LOOKED OVER HIS ACFT. HE HAD A BLACK TIRE MARK ON HIS RUDDER, NOT THE VERT STABILIZER. THERE WAS A SLIGHT DENT IN THE RUDDER. HE SAID HE HAD NO FLT CTL PROBS AFTER THE INCIDENT. WE WERE BOTH VERY LUCKY! BOTH PLTS ARE BOTH FAMILIAR WITH THE OPS AT THIS ARPT. ACFT DEPARTING THE ULTRA LIGHT STRIP STAY LOW UNTIL WE ARE BEYOND THE GA PATTERN AND WATCH FOR GA ACFT. PLTS FLYING THE GA STRIP FLY 1000 FT AGL AND WATCH FOR ULTRA LIGHTS. THE ULTRA LIGHTS WHO DO USE RADIOS USE THEIR OWN FREQ AND THE ACFT USING THE MAIN PAVED STRIP USE 122.775.

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.