Grosse Ile Airport
Aircraft Accident/Incident Report

Gross Ile, Michigan 48138
Monday, August 13, 1984 19:10 EDT

NTSB Narrative Summary Released at Completion of Accident

THE STUDENT PILOT WAS IN THE AIRPORT TRAFFIC PATTERN WHEN HE NOTICED THE ENG CYLINDER HEAD TEMP EXCEEDING THE RED LINE. HE ATTEMPTED TO LOWER THE TEMP BY REDUCING THE ENG RPM BUT COULD NOT MAINTAIN ALT. THE PILOT MANEUVERED THE ACFT TOWARD THE AIRPORT AND AT APRX 1000 FT FROM THE RWY, THE END QUIT. THE PILOT EXECUTED AN EMERGENCY LANDING IN THE WATER. EXAMINATION OF THE ENG AFTER THE ACCIDENT REVEALED A SCORCHED CYCLINDER.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/13/1984
Event Day of the Week Monday
Time of Event 1910
Event Time Zone Eastern Daylight Time
Event City GROSS ILE
Event State MICHIGAN
Event Country --
Zipcode of the event site 48138
Event Date Year 1984
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GROSSE ILE
Event Location Nearest Airport ID 2G5
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 3
Degrees magnetic from airport 350
Airport Elevation 590
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1900 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID DTW
Elevation of weather observation facility 590
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 4000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 8
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 10
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
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 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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1981
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 25886
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 N4453D
NTSB Number CHI84LA347
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 LINDSAY DAVIS
Aircraft Model BENSON B8M
Aircraft Series Identifier BENSON B8M
Aircraft Serial Number 367588998
Certified Max Gross Weight --
Aircraft Category Gyrocraft
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 1
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection 30
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name LINDSAY C. DAVIS
Aircraft Owner Street Address 5616 WILSON
Aircraft Owner City TRENTON
Aircraft Owner State MI
Aircraft Owner Country
Aircraft Owner Zipcode 48183
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code 2G5
Departure City GROSSE ILE
Departure State MI
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --