Damage to float discovered after landing. Previous takeoff included contact with unsuspected swells.

Attributes
ACN	439487
Time
Date	199906
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : 6n7.airport
State Reference	NY
Altitude	msl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air taxi
Make Model Name	Caravan 1 208A
Operating Under FAR Part	Part 135
Navigation In Use	other
Flight Phase	ground : takeoff roll
Flight Plan	None
Person 1
Affiliation	company : air taxi
Function	flight crew : single pilot
Qualification	pilot : atp pilot : cfi pilot : flight engineer
Experience	flight time last 90 days : 75 flight time total : 11000 flight time type : 35
ASRS Report	439487
Events
Anomaly	ground encounters other
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Environmental Factor Flight Crew Human Performance
Primary Problem	Environmental Factor

Narrative:

During takeoff run on east river at 6n7 seaplane base, aircraft on step and prior to liftoff encountered 2 large swells. Swells not visible during start of takeoff run. Damage to l-hand float found during postflt inspection at bdr.

Original NASA ASRS Text

Title: DAMAGE TO FLOAT DISCOVERED AFTER LNDG. PREVIOUS TKOF INCLUDED CONTACT WITH UNSUSPECTED SWELLS.

Narrative: DURING TKOF RUN ON EAST RIVER AT 6N7 SEAPLANE BASE, ACFT ON STEP AND PRIOR TO LIFTOFF ENCOUNTERED 2 LARGE SWELLS. SWELLS NOT VISIBLE DURING START OF TKOF RUN. DAMAGE TO L-HAND FLOAT FOUND DURING POSTFLT INSPECTION AT BDR.

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.