Aircraft Accident/Incident Report

Cherokee, Iowa 51012
Friday, July 13, 1990 9:45 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PVT PLT SAID THAT HE HAD JUST DEPARTED THE AIRPORT IN HIS NEWLY PURCHASED HOMEBUILT ACFT, HAD LEVELED OFF, WHEN THE CANOPY POPPED OPEN. HE REDUCED POWER, THEN HELD THE CANOPY PARTIALLY DOWN WITH HIS THROTTLE HAND. HE ATTEMPTED AN EMERGENCY LDG, AND FELT HE NEEDED ADDITIONAL POWER TO MAKE THE FIELD, BUT CHOSE TO HOLD THE CANOPY DOWN INSTEAD. HE LANDED IN AN ALFALFA FIELD, STRUCK A DITCH AND NOSED OVER. THE PLT SAID THAT HE CHOSE TO HOLD THE CANOPY DOWN, RATHER THAN RISK POSSIBLE ADVERSE FLIGHT CHARACTARISTICS WITH IT OPEN.

NTSB Probable Cause Narrative

AIRCRAFT CONTROL NOT MAINTAINED BY THE PILOT IN COMMAND.

Event Information

Type of Event Accident
Event Date 7/13/1990
Event Day of the Week Friday
Time of Event 945
Event Time Zone Central Daylight Time
Event City CHEROKEE
Event State IOWA
Event Country --
Zipcode of the event site 51012
Event Date Year 1990
Event Date Month 7
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 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 952 Central Daylight Time
Direction of event from weather observation facility (degrees) 240
Weather Observation Facility ID SUX
Elevation of weather observation facility 1098
Distance of event from weather observation facility (units?) 50
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 20
Variable Wind Indicator Unknown
Wind Speed (knots) 3
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 Unknown
METAR weather report --
Event Highest Injury Minor
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 --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 880
NTSB Notification Source --
NTSB Notification Date Jul 13 1990 12:00AM
NTSB Notification Time 1200
Fiche Number and/or location -used to find docket information 42052
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2MX
NTSB Number MKC90LA145
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 MONNETT
Aircraft Model SONERAI II
Aircraft Series Identifier SONERAI II
Aircraft Serial Number UM 1
Certified Max Gross Weight 925
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name UNKNOWN
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name CHRISTENSEN, JIM W.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 307 E. 2ND ST.
Operator City GALVA
Operator State IA
Operator Country
Operator Zip code 51020
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 Yes
Departure Airport Code CKP
Departure City
Departure State
Departure Country
Departure Time 855
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --