Ground under skids gave way as helicopter landed and tail rotor struck water.

Attributes
ACN	285917
Time
Date	199410
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : dwh
State Reference	TX
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Controlling Facilities	tower : laf
Operator	general aviation : instructional
Make Model Name	Helicopter
Operating Under FAR Part	Part 91
Flight Phase	landing other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : cfi
Experience	flight time last 90 days : 116 flight time total : 7000 flight time type : 116
ASRS Report	285917
Events
Anomaly	conflict : ground critical other anomaly other
Independent Detector	other other : unspecified cockpit
Resolutory Action	none taken : unable
Consequence	other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Aircraft was landed at field site. Ground under skids gave way and aircraft rocked backwards causing tail rotor to strike water. Tail rotor separated from aircraft. Aircraft was shutdown without further incident.

Original NASA ASRS Text

Title: GND UNDER SKIDS GAVE WAY AS HELI LANDED AND TAIL ROTOR STRUCK WATER.

Narrative: ACFT WAS LANDED AT FIELD SITE. GND UNDER SKIDS GAVE WAY AND ACFT ROCKED BACKWARDS CAUSING TAIL ROTOR TO STRIKE WATER. TAIL ROTOR SEPARATED FROM ACFT. ACFT WAS SHUTDOWN WITHOUT FURTHER INCIDENT.

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.