Forest City Muni Airport
Aircraft Accident/Incident Report

Forest City, Iowa 50436
Saturday, July 20, 1985 14:02 CDT

NTSB Narrative Summary Released at Completion of Accident

SHORTLY AFTER THE ACFT TOOK OFF WITH 4 SKYDIVERS ON BOARD, ITS ENG SEIZED AT AN ALT OF ABOUT 300 TO 400 FT. THE PLT SELECTED THE BEST AVAILABLE AREA TO LAND WHICH WAS A FIELD OF TALL CORN ON ROLLING TERRAIN. DURING THE EMERG LANDING, THE ACFT NOSED OVER. LATER, THE ENG WAS DISASSEMBLED & APRX 1 QT OF FINELY GROUND FERREOUS MATERIAL WAS FOUND DEPOSITED IN THE LOWER OIL PAN. THE MAIN BEARINGS WERE FOUND SCORED & DISCOLORED, & THE MAIN BEARING SHELLS SHOWED EVIDENCE OF OVERHEATING. THE CONNECTING RODS WERE ALSO DISCOLORED FROM HEAT. THE SCREEN CHAMBER OF THE OIL PUMP WAS FOUND FULL OF FERROUS METAL WHICH SHUT OFF THE OIL SUPPLY TO THE OIL PUMP GEARS. THE FAA MAINT INSPECTOR WHO EXAMINED THE ENG STATED THAT THE FERROUS MATERIAL FOUND IN THE ENG & BOTTOM PAN WAS NOT FROM THE ENG. THE SOURCE OF THE MATERIAL WAS NOT DETERMINED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/20/1985
Event Day of the Week Saturday
Time of Event 1402
Event Time Zone Central Daylight Time
Event City FOREST CITY
Event State IOWA
Event Country --
Zipcode of the event site 50436
Event Date Year 1985
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport FOREST CITY MUNI
Event Location Nearest Airport ID D34
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 0
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
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 Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 25
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
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 3
Injury Total None 2
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 1005
NTSB Notification Source --
NTSB Notification Date Jul 20 1985 12:00AM
NTSB Notification Time 1530
Fiche Number and/or location -used to find docket information 28319
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5699B
NTSB Number MKC85LA163
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 CESSNA
Aircraft Model 182
Aircraft Series Identifier 182
Aircraft Serial Number 18233699
Certified Max Gross Weight 2550
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 4
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 FOREST CITY SKYDIVERS INC.
Aircraft Owner Street Address P.O. BOX 272
Aircraft Owner City FOREST CITY
Aircraft Owner State IA
Aircraft Owner Country
Aircraft Owner Zipcode 50436
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) Other Work Use
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1400
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 15
Runway Length 5800
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --