Air carrier widebody transport near midair collision with WX balloon.

Attributes
ACN	88202
Time
Date	198805
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : day
State Reference	OH
Altitude	msl bound lower : 39000 msl bound upper : 39000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob artcc : jax
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Operator	other
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	climbout : intermediate altitude
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time total : 20000
ASRS Report	88202
Person 2
Function	other personnel other
Events
Anomaly	conflict : nmac
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	Other
Miss Distance	horizontal : 100 vertical : 0
Supplementary
Air Traffic Incident	other

Narrative:

WX balloon passed less than 100' off left side of aircraft, same altitude. No evasive action. Recommend NOAA substitute profiler for winds and aircraft ACARS reports for temperature or winds, etc, to replace balloons, or equipment balloons with encoding transponder.

Original NASA ASRS Text

Title: ACR WDB NMAC WITH WX BALLOON.

Narrative: WX BALLOON PASSED LESS THAN 100' OFF LEFT SIDE OF ACFT, SAME ALT. NO EVASIVE ACTION. RECOMMEND NOAA SUBSTITUTE PROFILER FOR WINDS AND ACFT ACARS RPTS FOR TEMP OR WINDS, ETC, TO REPLACE BALLOONS, OR EQUIP BALLOONS WITH ENCODING TRANSPONDER.

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.