Grant County Airport
Aircraft Accident/Incident Report

Platteville, Wisconsin 53818
Monday, July 11, 1988 20:00 CDT

NTSB Narrative Summary Released at Completion of Accident

AFTER CLIMBING ABOUT 100' AFTER TAKEOFF, A PARTIAL POWER LOSS OCCURRED & THE PLT INITIATED A LEFT TURN TO RTRN TO THE ARPT. UNABLE TO REACH THE ARPT, AN EMERG LNDG WAS MADE IN A CORN FIELD & THE ACFT WAS DAMAGED. NO AIRFRAME FAILURE WAS FOUND & THE ENG RAN NORMALLY DRG AN OPERATIONAL CHECK. THE PLT NOTED THAT SVRL BAGS & A PURSE WERE STOWED AFT OF THE REAR PASSENGER SEAT ON TOP OF THE PLASTIC FUEL TANK (JUG). THERE WAS A FLEXIBLE FUEL LINE THAT WAS ROUTED FROM THE TOP OF THE FUEL JUG TO THE ENG. AN INVESTIGATION SHOWED THAT IF THE FLEXIBLE FUEL LINE HAD BECOME KINKED OR IF THE VENT ON TOP OF THE JUG HAD BEEN BLOCKED, FUEL FLOW TO THE ENG WOULD HAVE BEEN RESTRICTED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/11/1988
Event Day of the Week Monday
Time of Event 2000
Event Time Zone Central Daylight Time
Event City PLATTEVILLE
Event State WISCONSIN
Event Country --
Zipcode of the event site 53818
Event Date Year 1988
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GRANT COUNTY
Event Location Nearest Airport ID PVB
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 1022
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) 20
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 330
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency FAA
NTSB Docket Number (internal use) 1140
NTSB Notification Source --
NTSB Notification Date Jul 12 1988 12:00AM
NTSB Notification Time 1830
Fiche Number and/or location -used to find docket information 37093
Date of most recent change to record Dec 13 2000 11:55AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N51012
NTSB Number CHI88DEP06
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 HUNTLEY
Aircraft Model CHALLENGER II
Aircraft Series Identifier CHALLENGER
Aircraft Serial Number 0284
Certified Max Gross Weight 900
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 Annual
Date of Last Inspection May 25 1988 12:00AM
Airframe hours since last inspection 51
Airframe Hours 51
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JOHN D HUNTLEY
Aircraft Owner Street Address 203 W STONE AVE
Aircraft Owner City FAIRFIELD
Aircraft Owner State IA
Aircraft Owner Country
Aircraft Owner Zipcode 52556
Operator is an individual? --
Operator Name HUNTLEY, JOHN D.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 203 W. STONE AVE.
Operator City FAIRFIELD
Operator State IA
Operator Country
Operator Zip code 53556
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
Departure City
Departure State
Departure Country
Departure Time 2000
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code 47C
Destination City BOSCOBEL
Destination State WI
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 25
Runway Length 3605
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --