Accident Stolp SA-300 Starduster Too N76NP, Friday 15 June 2012

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Date:	Friday 15 June 2012
Time:	18:45 LT
Type:	Stolp SA-300 Starduster Too
Owner/operator:	Private
Registration:	N76NP
MSN:	SA-300-726
Total airframe hrs:	1569 hours
Engine model:	Lycoming O-360-A4A
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Lake Dallas, TX (30F) - United States of America
Phase:	Take off
Nature:	Private
Departure airport:	Lake Dallas, TX (30F)
Destination airport:	Lake Dallas, TX (30F)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
Shortly after takeoff, the airplane's engine lost partial power. The pilot was unable to maintain altitude, so he elected to perform a forced landing. He turned the airplane to the left to avoid a crowded marina, and the airplane stalled and impacted the water. Examination of the engine revealed that the No. 2 cylinder's intake valve was stuck in the open position.

Probable Cause: A partial loss of engine power on takeoff due to a stuck intake valve on the No. 2 cylinder.

Accident investigation: