Harlan Municipal Airport
Aircraft Accident/Incident Report

Harlan, Iowa 51537
Monday, August 10, 2009 10:35 CDT

NTSB Narrative Summary Released at Completion of Accident

The pilot reported that the airplane would not climb out of ground effect during takeoff. The airplane settled into a corn field located off the end of the 3,100-foot-long asphalt runway. The left landing gear collapsed and the airplane nosed over resulting in substantial damage to the wings. The maximum certified gross weight of the airplane was 4,500 pounds with a basic empty weight of 3,093.8 pounds. The airplane was loaded with 80 gallons of fuel (480 pounds) and 170 gallons (1,419.5 pounds) of water/chemical mix. The pilot's weight was approximately 185 pounds. The airplane was approximately 678.3 pounds over the maximum gross weight at the time of the takeoff.

NTSB Probable Cause Narrative

The pilot's failure to perform accurate weight and balance calculations which resulted in exceeding the maximum takeoff weight and the airplane's climb capability.

Event Information

Type of Event Accident
Event Date 8/10/2009
Event Day of the Week Monday
Time of Event 1035
Event Time Zone Central Daylight Time
Event City Harlan
Event State IOWA
Event Country --
Zipcode of the event site 51537
Event Date Year 2009
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 413506N
Event Location Longitude 0952038W
Event Location Airport Harlan Municipal Airport
Event Location Nearest Airport ID HNR
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 1231
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1052 Central Daylight Time
Direction of event from weather observation facility (degrees) 235
Weather Observation Facility ID OMA
Elevation of weather observation facility 1563
Distance of event from weather observation facility (units?) 30
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 900
Sky/Lowest/Cloud Conditions Few
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 30
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 8
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.06
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 27284
NTSB Notification Source FAA- Des Moines FSDO
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Sep 14 2010 12:28PM
User who most recently changed record johb
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4598
NTSB Number CEN09CA516
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion --
Aircraft Manufacturer's Full Name GRUMMAN ACFT ENG COR-SCHWEIZER
Aircraft Model G-164A
Aircraft Series Identifier --
Aircraft Serial Number 1068
Certified Max Gross Weight 4500
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 1
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 --
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name Paulsen Ag Spraying
Aircraft Owner Street Address --
Aircraft Owner City HARLAN
Aircraft Owner State IA
Aircraft Owner Country USA
Aircraft Owner Zipcode 51537-5924
Operator is an individual? No
Operator Name Paulsen Ag Spraying
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City HARLAN
Operator State IA
Operator Country USA
Operator Zip code 51537-5924
Operator Code --
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
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) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code HNR
Departure City Harlan
Departure State IN
Departure Country USA
Departure Time 1035
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code HNR
Destination City Harlan
Destination State IN
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 14 2010 12:29PM
User who most recently changed record johb
Since inspection or accident --
Event Location Runway Number and Location 33
Runway Length 4100
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --