<< >> NASA ASRS Report 146253, May 1990

Near midair collision

Attributes
ACN	146253
Time
Date	199005
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : laf
State Reference	IN
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : laf tracon : iad
Operator	common carrier : air carrier
Make Model Name	Light Transport, High Wing, 2 Turboprop Eng
Flight Phase	climbout : initial climbout : intermediate altitude climbout : takeoff
Route In Use	approach : visual departure other
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	climbout : initial
Route In Use	approach : visual departure other
Flight Plan	VFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 150 flight time total : 3500 flight time type : 1500
ASRS Report	146253
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	conflict : nmac non adherence : required legal separation non adherence : clearance other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Miss Distance	horizontal : 500 vertical : 0
Supplementary
Primary Problem	Ambiguous
Air Traffic Incident	Operational Error Pilot Deviation
Situations
Airport	other physical facility procedure or policy : unspecified

Narrative:

Tower cleared us for takeoff then told us to maintain visibility sep with two aircraft. We did not have these aircraft in sight until within 500' and same altitude. Laf is a growing area in need of radar surveillance from approach or ind center.

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Original NASA ASRS Text

Title: NMAC

Narrative: TWR CLRED US FOR TKOF THEN TOLD US TO MAINTAIN VIS SEP WITH TWO ACFT. WE DID NOT HAVE THESE ACFT IN SIGHT UNTIL WITHIN 500' AND SAME ALT. LAF IS A GROWING AREA IN NEED OF RADAR SURVEILLANCE FROM APCH OR IND CTR.

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.