Air carrier X false TCASII TA with ship on the water. Aircraft equipment problem TCASII.

Attributes
ACN	234026
Time
Date	199302
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : orf
State Reference	VA
Altitude	agl bound lower : 0 agl bound upper : 200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : orf
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : radar
Experience	controller radar : 11
ASRS Report	234026
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Pilot reported a TCASII alert at 200 ft and believed it was from a ship in the bay located off the approach end of the runway. No RA was given.

Original NASA ASRS Text

Title: ACR X FALSE TCASII TA WITH SHIP ON THE WATER. ACFT EQUIP PROB TCASII.

Narrative: PLT RPTED A TCASII ALERT AT 200 FT AND BELIEVED IT WAS FROM A SHIP IN THE BAY LOCATED OFF THE APCH END OF THE RWY. NO RA WAS GIVEN.

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.