Small aircraft on base leg enters area of reduced visibility and splash-lands in an adjacent lake.

Attributes
ACN	262164
Time
Date	199401
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lee
State Reference	FL
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Bonanza 35
Operating Under FAR Part	Part 91
Flight Phase	descent : approach other
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : cfi pilot : commercial pilot : instrument
Experience	flight time last 90 days : 40 flight time total : 11000 flight time type : 1500
ASRS Report	262164
Person 2
Affiliation	Other
Function	flight crew : single pilot oversight : pic
Qualification	pilot : private
Events
Anomaly	inflight encounter : weather other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Actin as instructor for aircraft owner undergoing proficiency flying conducted by an air safety foundation. Aircraft involved was a beech bonanza V-35. Whose owner was acting as PIC. Aircraft controlled by a single yoke throw-over column with right seat occupant having access only to rudder pedals. Conducting operation in traffic pattern at leesburg municipal airport. While on base leg to runway 31 entered an undetected area of low visibility (fog). Before corrective action to initiate a go around could be completed, aircraft touched down in lake harris adjacent to airfield. Aircraft stopped in an upright position and evacuate/evacuation made through normal entrance door. No injuries to the 2 personnel on board.

Original NASA ASRS Text

Title: SMA ON BASE LEG ENTERS AREA OF REDUCED VISIBILITY AND SPLASH-LANDS IN AN ADJACENT LAKE.

Narrative: ACTIN AS INSTRUCTOR FOR ACFT OWNER UNDERGOING PROFICIENCY FLYING CONDUCTED BY AN AIR SAFETY FOUNDATION. ACFT INVOLVED WAS A BEECH BONANZA V-35. WHOSE OWNER WAS ACTING AS PIC. ACFT CONTROLLED BY A SINGLE YOKE THROW-OVER COLUMN WITH R SEAT OCCUPANT HAVING ACCESS ONLY TO RUDDER PEDALS. CONDUCTING OP IN TFC PATTERN AT LEESBURG MUNICIPAL ARPT. WHILE ON BASE LEG TO RWY 31 ENTERED AN UNDETECTED AREA OF LOW VISIBILITY (FOG). BEFORE CORRECTIVE ACTION TO INITIATE A GAR COULD BE COMPLETED, ACFT TOUCHED DOWN IN LAKE HARRIS ADJACENT TO AIRFIELD. ACFT STOPPED IN AN UPRIGHT POS AND EVAC MADE THROUGH NORMAL ENTRANCE DOOR. NO INJURIES TO THE 2 PERSONNEL ON BOARD.

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.