Hull of amphibian blocks transponder antenna. TCA incursion.

Attributes
ACN	245567
Time
Date	199306
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : owd
State Reference	MA
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : bos
Operator	general aviation : personal
Make Model Name	Small Aircraft
Flight Phase	cruise other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : private
Experience	flight time last 90 days : 110 flight time total : 1600 flight time type : 205
ASRS Report	245567
Events
Anomaly	non adherence : published procedure other anomaly other other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

Transponder antenna blocked by hull of boat. Hull amphibian causing loss of reply and apparent TCA incursion.

Original NASA ASRS Text

Title: HULL OF AMPHIBIAN BLOCKS XPONDER ANTENNA. TCA INCURSION.

Narrative: XPONDER ANTENNA BLOCKED BY HULL OF BOAT. HULL AMPHIBIAN CAUSING LOSS OF REPLY AND APPARENT TCA INCURSION.

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.