ATC reporter alleges that his facility's tdwr equipment is unreliable and has failed on numerous occasions. Reporter is concerned that unreliable ASOS WX and the lack of tdwr information could compromise safety.

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Attributes
ACN	341706
Time
Date	199607
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : mci
State Reference	MO
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : dsm
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : radar
Experience	controller radar : 12
ASRS Report	341706
Person 2
Affiliation	government : faa
Function	oversight : supervisor
Qualification	controller : radar
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

It appears our tdwr is unreliable, failing on numerous occasions throughout a 24 hour period. My concern is during IFR WX, lack of, or the wrong information being transmitted to controllers and pilots. The combination of this (tdwr) and bad information from ASOS compromises safety in my opinion.

Original NASA ASRS Text

Title: ATC RPTR ALLEGES THAT HIS FACILITY'S TDWR EQUIP IS UNRELIABLE AND HAS FAILED ON NUMEROUS OCCASIONS. RPTR IS CONCERNED THAT UNRELIABLE ASOS WX AND THE LACK OF TDWR INFO COULD COMPROMISE SAFETY.

Narrative: IT APPEARS OUR TDWR IS UNRELIABLE, FAILING ON NUMEROUS OCCASIONS THROUGHOUT A 24 HR PERIOD. MY CONCERN IS DURING IFR WX, LACK OF, OR THE WRONG INFO BEING XMITTED TO CTLRS AND PLTS. THE COMBINATION OF THIS (TDWR) AND BAD INFO FROM ASOS COMPROMISES SAFETY IN MY OPINION.

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.