Merrill Muni Airport
Aircraft Accident/Incident Report

Merrill, Wisconsin 54452
Thursday, December 28, 1989 15:30 CST

NTSB Narrative Summary Released at Completion of Accident

THE ACCIDENT AIRPLANE COLLIDED WITH A SNOWBANK DURING AN ATTEMPTED LANDING. ACCORDING TO THE PILOT, HE ENCOUNTERED FREEZING RAIN AFTER BREAKING OUT OF THE CLOUDS AT APPROXIMATELY 1000 FEET AGL DURING HIS INSTRUMENT APPROACH TO THE AIRPORT. HE STATED THAT ICE ACCUMULATED ON THE WINDSHIELD FASTER THAN THE DEICERS COULD REMOVE IT AND HE WAS FORCED TO MAKE HIS APPROACH TO THE RUNWAY WITH NO FORWARD VISIBILITY. THE AIRPLANE TOUCHED DOWN TO THE LEFT OF CENTERLINE ON THE 75 FOOT WIDE RUNWAY AND THE AIRPLANE DRIFTED LEFT UNTIL THE LEFT MAIN LANDING GEAR COLLIDED WITH A SNOWBANK ON THE EDGE OF THE RUNWAY. THE LEFT MAIN LANDING GEAR AND THE NOSE LANDING GEAR THEN FAILED AND THE AIRPLANE SLID TO A STOP.

NTSB Probable Cause Narrative

FAILURE OF THE PILOT TO MAINTAIN PROPER ALIGNMENT WITH THE RUNWAY DURING HIS LANDING ROLL AND AN INFLIGHT ENCOUNTER WITH ICING CONDITIONS.

Event Information

Type of Event Accident
Event Date 12/28/1989
Event Day of the Week Thursday
Time of Event 1530
Event Time Zone Central Standard Time
Event City MERRILL
Event State WISCONSIN
Event Country --
Zipcode of the event site 54452
Event Date Year 1989
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MERRILL MUNI
Event Location Nearest Airport ID RRL
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 1317
Weather Briefing Completeness Full
Investigator's weather source Pilot
Time of the weather observation 1530
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Moderate
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 5
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2188
NTSB Notification Source --
NTSB Notification Date Jan 1 1990 12:00AM
NTSB Notification Time 1200
Fiche Number and/or location -used to find docket information 41865
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N69556
NTSB Number CHI90FA056
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 340
Aircraft Series Identifier 340
Aircraft Serial Number 340-503
Certified Max Gross Weight 6290
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 6
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SEMLING-MENKE CO. INC.
Aircraft Owner Street Address SO NAST ST.
Aircraft Owner City MERRILL
Aircraft Owner State WI
Aircraft Owner Country
Aircraft Owner Zipcode 54452
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code STP
Departure City ST PAUL
Departure State MN
Departure Country
Departure Time 1415
Departure Time Zone CST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 7
Runway Length 4000
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --