<< >> NASA ASRS Report 135259, January 1990

Landing aircraft came in close proximity to another landing aircraft resulting in one aircraft taking evasive action.

Attributes
ACN	135259
Time
Date	199001
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : prc
State Reference	AZ
Altitude	msl bound lower : 5500 msl bound upper : 5500
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tower : prc
Operator	general aviation : personal
Make Model Name	Small Aircraft
Flight Phase	landing : go around landing other
Flight Plan	None
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
ASRS Report	135259
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : nmac non adherence : clearance other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 200 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

Aircraft on left downwind turned base in front of small aircraft X on right base. The left base traffic was sequenced to follow small aircraft X. Without BRITE radar I was not able to detect the collision hazard in time. Small aircraft X took evasive action and avoided the near midair.

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Original NASA ASRS Text

Title: LNDG ACFT CAME IN CLOSE PROX TO ANOTHER LNDG ACFT RESULTING IN ONE ACFT TAKING EVASIVE ACTION.

Narrative: ACFT ON LEFT DOWNWIND TURNED BASE IN FRONT OF SMA X ON RIGHT BASE. THE LEFT BASE TFC WAS SEQUENCED TO FOLLOW SMA X. WITHOUT BRITE RADAR I WAS NOT ABLE TO DETECT THE COLLISION HAZARD IN TIME. SMA X TOOK EVASIVE ACTION AND AVOIDED THE NEAR MIDAIR.

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.