Amateur-built RB-1 accident near Springfield, Tennessee, August 9, 1989
On August 9, 1989 at about 7:14 pm local time, a amateur-built RB-1 (glider), registered N44516, was destroyed in an accident near Springfield, Tennessee. It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
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.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 9, 1989 · about 7:14 pm local time
- Place
- Springfield, Tennessee · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built RB-1
- Registration
- N44516 · no longer on the register · serial 1
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
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.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: commercial pilot, private
- Ratings: multi-engine land; single-engine land; instrument: airplane; rotorcraft: glider
- Flight time: 1,400 hours in all; 44 in this make and model; 44 in the last 90 days; 2 in the last 30 days
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 49 hours
- Last inspection: annual inspection, January 3, 1989; 46 hours since
- Maximum gross weight: 941 lb
- Seats: 1
- Landing gear: fixed
- Engine: Rotax 503 (piston); 0 hours total
The flight
- Departed from: M91 Springfield TN at 6:15 pm
- Destination: M91
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 110° at 9 knots
- Visibility: 12 statute miles
- Sky: clear
- Temperature: 81°F (27°C), dew point 52°F (11°C)
- Altimeter: 30.00 inHg
- Observation at 6:53 pm from BNA, 20 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.
