Flight crew of an medium large transport air carrier aircraft made a CAT III landing when the aircraft was placarded as CAT III not authority/authorized.

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Attributes
ACN	260859
Time
Date	199401
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : dfw
State Reference	TX
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	IMC
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 105 flight time total : 13000 flight time type : 5050
ASRS Report	260859
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical non adherence : far other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

Began flight on an aircraft which had maintenance performed to flight instruments which was completed and signed off on aircraft logbook. However, aircraft needed further maintenance testing to be returned to CAT III status. Crew missed aircraft placard 'not in autoland/CAT III status' and performed uneventful, normal autoland/CAT III approach before discovering aircraft not in autoland status. Crew was caught by maintenance sign off and concern for WX instead of thorough logbook review.

Original NASA ASRS Text

Title: FLT CREW OF AN MLG ACR ACFT MADE A CAT III LNDG WHEN THE ACFT WAS PLACARDED AS CAT III NOT AUTH.

Narrative: BEGAN FLT ON AN ACFT WHICH HAD MAINT PERFORMED TO FLT INSTS WHICH WAS COMPLETED AND SIGNED OFF ON ACFT LOGBOOK. HOWEVER, ACFT NEEDED FURTHER MAINT TESTING TO BE RETURNED TO CAT III STATUS. CREW MISSED ACFT PLACARD 'NOT IN AUTOLAND/CAT III STATUS' AND PERFORMED UNEVENTFUL, NORMAL AUTOLAND/CAT III APCH BEFORE DISCOVERING ACFT NOT IN AUTOLAND STATUS. CREW WAS CAUGHT BY MAINT SIGN OFF AND CONCERN FOR WX INSTEAD OF THOROUGH LOGBOOK REVIEW.

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.