<< >> NASA ASRS Report 699816, June 2006

Zlin Z50LA pilot has a close encounter with another aircraft while performing maneuvers in D10 class east airspace.

Attributes
ACN	699816
Time
Date	200606
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	TX
Altitude	msl single value : 2600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft Low Wing 1 Eng Fixed Gear
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial
Flight Plan	None
Aircraft 2
Controlling Facilities	tracon : d10.tracon
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 10 flight time total : 4280 flight time type : 400
ASRS Report	699816
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne critical
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Miss Distance	horizontal : 500 vertical : 0
Supplementary
Problem Areas	Aircraft Airspace Structure Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

While performing post-maintenance flight test; I initiated a steep climb on southerly heading; nose was obscuring horizon. At exactly 2000 ft AGL/2600 ft MSL; a B737 aircraft passed by my right wingtip at no more than 500 ft. Floor of class B in this area is 3500 ft MSL. Air carrier was headed northeast; probably landing at dallas. My aircraft operates without a transponder under permission from FAA; plus I own a non electric aircraft which is not required to have a transponder. I strongly encourage all air carrier aircraft to stay up in the class B airspace and avoid flying through class east that is known to have intensive flight training; and unusual attitude training.

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Original NASA ASRS Text

Title: ZLIN Z50LA PLT HAS A CLOSE ENCOUNTER WITH ANOTHER ACFT WHILE PERFORMING MANEUVERS IN D10 CLASS E AIRSPACE.

Narrative: WHILE PERFORMING POST-MAINT FLT TEST; I INITIATED A STEEP CLB ON SOUTHERLY HDG; NOSE WAS OBSCURING HORIZON. AT EXACTLY 2000 FT AGL/2600 FT MSL; A B737 ACFT PASSED BY MY R WINGTIP AT NO MORE THAN 500 FT. FLOOR OF CLASS B IN THIS AREA IS 3500 FT MSL. ACR WAS HEADED NE; PROBABLY LNDG AT DALLAS. MY ACFT OPERATES WITHOUT A XPONDER UNDER PERMISSION FROM FAA; PLUS I OWN A NON ELECTRIC ACFT WHICH IS NOT REQUIRED TO HAVE A XPONDER. I STRONGLY ENCOURAGE ALL ACR ACFT TO STAY UP IN THE CLASS B AIRSPACE AND AVOID FLYING THROUGH CLASS E THAT IS KNOWN TO HAVE INTENSIVE FLT TRAINING; AND UNUSUAL ATTITUDE TRAINING.

Data retrieved from NASA's ASRS site as of January 2009 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.