Accident Grumman American AA-1B N8972L, Tuesday 26 July 1994

You can contribute by submitting additional or updated information.

Date:	Tuesday 26 July 1994
Time:	20:05 LT
Type:	Grumman American AA-1B
Owner/operator:	Paradise Aviation, Inc.
Registration:	N8972L
MSN:	AA1B-0422
Year of manufacture:	1974
Engine model:	Lycoming O-235-C2C
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Corona, CA - United States of America
Phase:	Initial climb
Nature:	Private
Departure airport:	, CA (L66)
Destination airport:	(L66)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
ACCORDING TO THE PILOT, DURING INITIAL CLIMB HE EXPERIENCED A PARTIAL LOSS OF ENGINE POWER. THE PILOT ATTEMPTED TO MANEUVER THE AIRPLANE BACK TOWARD THE AIRPORT. INSUFFICIENT ENGINE POWER WAS PRODUCED TO SUSTAIN FLIGHT, AND THE AIRPLANE DESCENDED INTO ROUGH TERRAIN ABOUT 2 MILES FROM THE RUNWAY. FOLLOWING THE ACCIDENT, THE ENGINE WAS TEST RUN. THE ENGINE RAN ROUGH WITH THE MIXTURE CONTROL IN THE RICH POSITION, AND IT SMOOTHED OUT WHEN THE MIXTURE WAS PLACED IN THE LEAN POSITION. NO BLOCKAGES WERE NOTED IN THE ENGINE'S INDUCTION SYSTEM. THE CARBURETOR WAS VISUALLY INSPECTED AND NO ABNORMALITIES WERE FOUND. THE THROTTLE AND MIXTURE CONTROL LINKAGES WERE REPORTED TO BE CORRECTLY INSTALLED.

Probable Cause: AN UNDETERMINED PARTIAL LOSS OF ENGINE POWER.

Accident investigation: