Aircraft Accident/Incident Report

Emmett, Michigan 48022
Friday, September 27, 1991 15:02 EDT

NTSB Narrative Summary Released at Completion of Accident

A STUDENT PILOT TOOK OFF IN HIS PERSONAL AIRPLANE ON HIS SECOND FLIGHT OF THE DAY TO PRACTICE FOR A PRIVATE PILOT CHECKRIDE. HE HAD ABOUT 120 HOURS TOTAL FLIGHT TIME, 80 IN MODEL. ABOUT 20 MINUTES LATER, WITNESSES HEARD THE ENGINE ACCELERATE. ONE HEARD A SOUND LIKE AND EXPLOSION. THE AIRPLANE ENTERED A STEEP SPIRAL TO GROUND IMPACT. THE PILOT WAS THROWN FROM THE AIRPLANE. AIRPLANE DEBRIS FELL AT DISTANCES UP TO 3000 FEET AWAY. THE EMPENNAGE AND RIGHT WING SHOWED FAILURE UNDER POSITIVE LOAD.

NTSB Probable Cause Narrative

THE PILOT'S EXCEEDING THE DESIGN LIMITS OF THE AIRCRAFT, WHICH RESULTED IN AN INFLIGHT BREAKUP.

Event Information

Type of Event Accident
Event Date 9/27/1991
Event Day of the Week Friday
Time of Event 1502
Event Time Zone Eastern Daylight Time
Event City EMMETT
Event State MICHIGAN
Event Country --
Zipcode of the event site 48022
Event Date Year 1991
Event Date Month 9
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1457 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 182
Weather Observation Facility ID MTC
Elevation of weather observation facility 580
Distance of event from weather observation facility (units?) 23
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 6000
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) 13
Dew Point at event time (in degress fahrenheit) -3
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
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 Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2157
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 46309
Date of most recent change to record Dec 12 2000 10:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N99283
NTSB Number CHI91FA305
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 Ercoupe (Eng & Research Corp.)
Aircraft Model ERCOUPE 415-D
Aircraft Series Identifier ERCOUPE 41
Aircraft Serial Number 1906
Certified Max Gross Weight 1400
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Feb 23 1991 12:00AM
Airframe hours since last inspection 52
Airframe Hours 2347
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name CLUTE, ROBERT G.
Aircraft Owner Street Address 5017 GRISWOLD, APT.2
Aircraft Owner City PORT HURON
Aircraft Owner State MI
Aircraft Owner Country
Aircraft Owner Zipcode 48060
Operator is an individual? --
Operator Name CLUTE, ROBERT G.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 5017 GRISWOLD, APT.2
Operator City PORT HURON
Operator State MI
Operator Country
Operator Zip code 48060
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) Instructional
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code PHN
Departure City PORT HURON
Departure State MI
Departure Country
Departure Time 1440
Departure Time Zone EDT
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 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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --