Narrative:

Loss of power, switched tanks boost pump. Called for full power with no response, declared emergency, but realized couldn't reach field. Set up to land on highway. Too many cars, power lines. Elected to put it in water. No injuries, no property damage, except aircraft. Plenty of fuel on board (100LL).

Google
 

Original NASA ASRS Text

Title: SMA LOSS OF PWR ON TKOF. DITCHES. SURVIVES.

Narrative: LOSS OF PWR, SWITCHED TANKS BOOST PUMP. CALLED FOR FULL PWR WITH NO RESPONSE, DECLARED EMER, BUT REALIZED COULDN'T REACH FIELD. SET UP TO LAND ON HWY. TOO MANY CARS, PWR LINES. ELECTED TO PUT IT IN WATER. NO INJURIES, NO PROPERTY DAMAGE, EXCEPT ACFT. PLENTY OF FUEL ON BOARD (100LL).

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.