Aircraft Accident/Incident Report

Oxford, Ohio 45056
Saturday, June 17, 1989 15:00 EDT

NTSB Narrative Summary Released at Completion of Accident

THE AUTOGYRO BROKE UP IN FLIGHT WHILE MANEUVERING DURING A PERSONAL FLIGHT. WITNESSES TO THE ACCIDENT REPORTED SEEING THE ROTOR BLADES SLOW AND FOLD UP AS THE AUTOGYRO FLEW SLOWLY OVER A LAKE. ONE ROTOR BLADE WAS SEEN TO SEPARATE FROM THE ROTORHEAD AND FALL SOME DISTANCE FROM THE REST OF THE AIRCRAFT. THE AUTOGYRO THEN CRASHED INTO THE LAKE. INSPECTION OF THE WRECKAGE SHOWED THAT THE MAIN ROTOR MAST THRUST BEARING WAS GALLED AND HAD SEIZED.

NTSB Probable Cause Narrative

THE FAILURE OF THE PILOT OPERATOR TO REPLACE THE MAIN ROTOR THRUST BEARING. THE EXPIRED SERVICE LIFE OF THE MAIN ROTOR THRUST BEARING IS A FACTOR IN THE ACCIDENT.

Event Information

Type of Event Accident
Event Date 6/17/1989
Event Day of the Week Saturday
Time of Event 1500
Event Time Zone Eastern Daylight Time
Event City OXFORD
Event State OHIO
Event Country --
Zipcode of the event site 45056
Event Date Year 1989
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
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 Weather Observation Facility
Time of the weather observation 1453 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 45
Weather Observation Facility ID DAY
Elevation of weather observation facility 1009
Distance of event from weather observation facility (units?) 30
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 5000
Sky/Lowest/Cloud Conditions Scattered
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) 23
Dew Point at event time (in degress fahrenheit) 10
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 18
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2223
NTSB Notification Source --
NTSB Notification Date Jun 17 1989 12:00AM
NTSB Notification Time 2030
Fiche Number and/or location -used to find docket information 41984
Date of most recent change to record Dec 13 2000 12:45PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4354G
NTSB Number CHI89FA114
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MCCULLOCH
Aircraft Model J-2
Aircraft Series Identifier J-2
Aircraft Serial Number 064
Certified Max Gross Weight --
Aircraft Category Gyrocraft
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 6 1988 12:00AM
Airframe hours since last inspection 60
Airframe Hours 312
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ROBERT WAHN
Aircraft Owner Street Address RT. 16 RR 1 BOX 148
Aircraft Owner City VERONA
Aircraft Owner State KY
Aircraft Owner Country
Aircraft Owner Zipcode 41092
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 No
Departure Airport Code 35M
Departure City SHELBYVILLE
Departure State IN
Departure Country
Departure Time 1415
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code MWO
Destination City MIDDLETOWN
Destination State OH
Destination Country
Specific Phase of Flight Maneuvering
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 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --