Aircraft Accident/Incident Report

Arcadia, Wisconsin 54612
Sunday, November 14, 1993 1:50 CST

NTSB Narrative Summary Released at Completion of Accident

THE PILOT STATED THE AIRPLANE WAS IN CRUISE FLIGHT AT 2000 FEET WHEN THE ENGINE BEGAN TO RUN ROUGH AND LOSE POWER. THE PILOT PERFORMED EMERGENCY PROCEDURES (APPLIED CARBURETOR HEAT, CHANGED FUEL TANKS, AND TRIED LEFT AND THEN RIGHT MAGNETOS) TO NO AVAIL. THE ENGINE LOST POWER COMPLETELY JUST AS THE PILOT DECLARED AN EMERGENCY ON RADIO FREQUENCY 121.5 MHZ. THE PILOT PREPARED FOR A NIGHT FORCED LANDING WHEN THE AIRCRAFT IMPACTED AND BECAME ENTANGLED IN A GROUP OF 50 FOOT OAK TREES. ENGINE CONTINUITY, COMPRESSION, IGNITION, INDUCTION AND FUEL SYSTEMS WERE FIELD TESTED. NO DEFECTS WERE FOUND. THE SPARK PLUGS WERE ALL COVERED WITH BLACK SOOTY DEPOSITS. A CARBURETOR ICING PROBABILITY CHART OBTAINED FROM A DOT/FAA/CT-82/44 PUBLICATION PREDICTS SERIOUS ICING AT CRUISE POWER WITH THE WEATHER CONDITIONS EXISTING AT THE TIME OF THE ACCIDENT (TEMPERATURE 40 DEGREES FAHRENHEIT, DEW POINT OF 38 DEGREES FAHRENHEIT).

NTSB Probable Cause Narrative

the loss of engine power for an undetermined reason(s).

Event Information

Type of Event Accident
Event Date 11/14/1993
Event Day of the Week Sunday
Time of Event 150
Event Time Zone Central Standard Time
Event City ARCADIA
Event State WISCONSIN
Event Country --
Zipcode of the event site 54612
Event Date Year 1993
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 48 Central Standard Time
Direction of event from weather observation facility (degrees) 160
Weather Observation Facility ID LSE
Elevation of weather observation facility 654
Distance of event from weather observation facility (units?) 34
Time Zone of the weather observation CST
Lighting Conditions Night/Dark
Lowest Ceiling Height 1000
Lowest Non-Ceiling Height 1000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 6
Air Temperature at event time (in degrees celsius) 4
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 330
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1703
NTSB Notification Source --
NTSB Notification Date May 9 1993 12:00AM
NTSB Notification Time 2015
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:45PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9896L
NTSB Number CHI94LA037
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Grumman American
Aircraft Model AA-1B
Aircraft Series Identifier AA-1B
Aircraft Serial Number AA1B-6496
Certified Max Gross Weight 1560
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name DANNY P. RAPAICH
Aircraft Owner Street Address 212 OAK FOREST DRIVE
Aircraft Owner City ONALASKA
Aircraft Owner State WI
Aircraft Owner Country
Aircraft Owner Zipcode 54650
Operator is an individual? --
Operator Name RAPAICH, DANIEL P.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 212 OAK FOREST DRIVE
Operator City ONALASKA
Operator State WI
Operator Country
Operator Zip code 54650
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code EAU
Departure City EAU CLAIRE
Departure State WI
Departure Country
Departure Time 110
Departure Time Zone CST
Destination Same as Local Flt --
Destination Airport Code LSE
Destination City LACROSSE
Destination State WI
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --