<< >> NASA ASRS Report 259186, December 1993

Instructor pilot of an amphibian aircraft directed trainee to land on a lake that was, unknown to the pilots, covered with ice resulting in aircraft damage to the aircraft 'hull' and the aircraft being trucked from the lake.

Attributes
ACN	259186
Time
Date	199312
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : 3mi6
State Reference	MI
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Other
Operating Under FAR Part	other : unknown
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 100 flight time total : 40000 flight time type : 200
ASRS Report	259186
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : atp
Events
Anomaly	other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Primary Problem	Airport
Air Traffic Incident	Pilot Deviation

Narrative:

Attempted water landing in amphibian. 2 ATP pilots aboard. Both thought landing was on smooth water, and were shocked to discover that the lake was ice covered so no takeoff was possible. Ice damaged hull. Got aircraft out of the water onto boat ramp. Aircraft to be trucked out.

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Original NASA ASRS Text

Title: INSTRUCTOR PLT OF AN AMPHIBIAN ACFT DIRECTED TRAINEE TO LAND ON A LAKE THAT WAS, UNKNOWN TO THE PLTS, COVERED WITH ICE RESULTING IN ACFT DAMAGE TO THE ACFT 'HULL' AND THE ACFT BEING TRUCKED FROM THE LAKE.

Narrative: ATTEMPTED WATER LNDG IN AMPHIBIAN. 2 ATP PLTS ABOARD. BOTH THOUGHT LNDG WAS ON SMOOTH WATER, AND WERE SHOCKED TO DISCOVER THAT THE LAKE WAS ICE COVERED SO NO TKOF WAS POSSIBLE. ICE DAMAGED HULL. GOT ACFT OUT OF THE WATER ONTO BOAT RAMP. ACFT TO BE TRUCKED OUT.

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.