<< >> NASA ASRS Report 110670, May 1989

Flight crew of light transport in non radar area had near midair collision with small aircraft apparently taking evasive action.

Attributes
ACN	110670
Time
Date	198905
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : bvt
State Reference	IN
Altitude	msl bound lower : 4200 msl bound upper : 4400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Light Transport
Flight Phase	cruise other descent other
Route In Use	enroute airway : zau
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
Experience	flight time last 90 days : 250 flight time total : 1975 flight time type : 150
ASRS Report	110670
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : flight engineer pilot : cfi
ASRS Report	110671
Events
Anomaly	conflict : nmac other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	Other
Miss Distance	horizontal : 100 vertical : 200
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

Event happened right as we were being handed off from chicago center (radar) to lafayette approach (non radar). Captain reading approach and descent checklists. Just leveling off at 4000' MSL, an small aircraft spotted just above by PF. Aircraft was heading northwest at time of citing. Small aircraft spotted in slight climb and turn, could be evasive action. Poor radar coverage. Contributing factors: no radar coverage on that particular portion of arwy. PNF looking at checklist and not able to assist in scanning for traffic.

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Original NASA ASRS Text

Title: FLT CREW OF LTT IN NON RADAR AREA HAD NMAC WITH SMA APPARENTLY TAKING EVASIVE ACTION.

Narrative: EVENT HAPPENED RIGHT AS WE WERE BEING HANDED OFF FROM CHICAGO CENTER (RADAR) TO LAFAYETTE APCH (NON RADAR). CAPT READING APCH AND DSCNT CHKLISTS. JUST LEVELING OFF AT 4000' MSL, AN SMA SPOTTED JUST ABOVE BY PF. ACFT WAS HDG NW AT TIME OF CITING. SMA SPOTTED IN SLIGHT CLB AND TURN, COULD BE EVASIVE ACTION. POOR RADAR COVERAGE. CONTRIBUTING FACTORS: NO RADAR COVERAGE ON THAT PARTICULAR PORTION OF ARWY. PNF LOOKING AT CHKLIST AND NOT ABLE TO ASSIST IN SCANNING FOR TFC.

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.