Aircraft Accident/Incident Report

Springfield, Tennessee 37172
Wednesday, August 9, 1989 14:14 CDT

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO WITNESSES, THE PLT WAS FLYING THE MOTORIZED GLIDER AT ABOUT 200 TO 300 FT AGL. RPRTDLY, HE WAS SHUTTING OFF THE ENG, GLIDING FOR 30 TO 40 SEC, RESTARTING THE ENG, FLYING FOR A SHORT DISTANCE, THEN REPEATING THE PROCESS. SUBSEQUENTLY, WHEN THE ENG WAS WITHOUT POWER, IT ENTERED A STALL/SPIN, THEN HIT A TREE & A POWER LINE BEFORE THE PLT RECOVERED. AN EXAM OF THE MOTORIZED GLIDER REVEALED THAT FUEL HAD BEEN EXHAUSTED.

NTSB Probable Cause Narrative

IMPROPER PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN FUEL EXHAUSTION AT A LOW ALTITUDE, DUE TO AN INADEQUATE SUPPLY OF FUEL; AND HIS FAILURE TO MAINTAIN AIRSPEED, WHICH RESULTED IN AN INADVERTENT STALL/SPIN. FACTORS RELATED TO THE ACCIDENT WERE: THE LACK OF ALTITUDE, WHICH RESULTED IN THE PILOT'S FAILURE TO RECOVER FROM THE STALL/SPIN IN TIME TO AVOID THE TREE & POWER LINE.

Event Information

Type of Event Accident
Event Date 8/9/1989
Event Day of the Week Wednesday
Time of Event 1414
Event Time Zone Central Daylight Time
Event City SPRINGFIELD
Event State TENNESSEE
Event Country --
Zipcode of the event site 37172
Event Date Year 1989
Event Date Month 8
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 1353 Central Daylight Time
Direction of event from weather observation facility (degrees) 335
Weather Observation Facility ID BNA
Elevation of weather observation facility 700
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation CDT
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) 12
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 110
Variable Wind Indicator Unknown
Wind Speed (knots) 9
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 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 FAA
NTSB Docket Number (internal use) 1339
NTSB Notification Source --
NTSB Notification Date Aug 9 1989 12:00AM
NTSB Notification Time 1430
Fiche Number and/or location -used to find docket information 39526
Date of most recent change to record Dec 13 2000 12:57PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N44516
NTSB Number ATL89DLT05
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 BRATTON
Aircraft Model RB-1
Aircraft Series Identifier RB-1
Aircraft Serial Number 1
Certified Max Gross Weight 941
Aircraft Category Glider
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 Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jan 3 1989 12:00AM
Airframe hours since last inspection 46
Airframe Hours 49
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CLARENCE R BRATTON
Aircraft Owner Street Address 103 HARDWICK COURT
Aircraft Owner City GOODLETTSVILLE
Aircraft Owner State TN
Aircraft Owner Country
Aircraft Owner Zipcode 37072
Operator is an individual? --
Operator Name CLARENCE R. BRATTON
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 103 HARDWICK COURT
Operator City GOODLETTSVILLE
Operator State TN
Operator Country
Operator Zip code 37072
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 M91
Departure City SPRINGFIELD
Departure State TN
Departure Country
Departure Time 1315
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code M91
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --