Vernillion County Airport
Aircraft Accident/Incident Report

Danville, Illinois 61832
Monday, July 5, 1982 12:35 CDT

NTSB Narrative Summary Released at Completion of Accident

THE STUDENT PILOT STATED THAT AT 3000 FT, 14 NM NORTH OF THE DANVILLE VOR, THE ENGINE BEGAN VIBRATING. THE ENGINE LOST POWER AND THE PILOT WAS FORCED TO LAND IN A BEAN FIELD APPROXIMATELY 4 MILES NORTH OF THE DANVILLE AIRPORT. ENGINE EXAMINATION REVEALED THE ADJUSTMENT SCREW IN THE ROCKER ARM FOR THE NUMBER 4 INTAKE VALVE WORKED LOOSE PREVENTING THE VALVE FROM OPERATING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/5/1982
Event Day of the Week Monday
Time of Event 1235
Event Time Zone Central Daylight Time
Event City DANVILLE
Event State ILLINOIS
Event Country --
Zipcode of the event site 61832
Event Date Year 1982
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport VERNILLION COUNTY
Event Location Nearest Airport ID DNV
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 Unknown
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 15000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Unknown
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) 88
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 150
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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) 1386
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Oct 31 2002 4:04PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9830U
NTSB Number CHI82DA235
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN AMERICAN
Aircraft Model AA-1C
Aircraft Series Identifier AA-1C
Aircraft Serial Number AA1-C0138
Certified Max Gross Weight 1002
Aircraft Category Airplane
Aircraft Registration Class Unknown
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection 46
Airframe Hours 2347
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BOWMAN AVIATION, INC.
Aircraft Owner Street Address 426 W. LUDWIG
Aircraft Owner City FORT WAYNE
Aircraft Owner State IN
Aircraft Owner Country
Aircraft Owner Zipcode 40825
Operator is an individual? --
Operator Name BOWMAN AVIATION, INC.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 426 W. LUDWIG
Operator City FORT WAYNE
Operator State IN
Operator Country
Operator Zip code 40825
Operator Code
Owner has at least one certificate Yes - certificate holder
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) Instructional
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code
Departure City KANKAKEE
Departure State IL
Departure Country
Departure Time 1159
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code
Destination City TERRE HAUTE
Destination State IN
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --