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Accidents · NTSB LAX90LA165 · Final report

Mooney M20 accident near Torrance, California, May 6, 1990

On May 6, 1990, a Mooney M20, registered N300MD, was substantially damaged in an accident near Torrance, California (Torrance Muni airport). It was a flight of an unrecorded kind under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

WATER CONTAMINATION INTRODUCED INTO THE AIRPLANE FUEL SYSTEM WHEN THE AIRPLANE WAS WASHED. CONTRIBUTING TO THE ACCIDENT WAS AN 18 KNOT TAILWIND DURING LANDING ROLL WHICH RESULTED IN THE AIRPLANE OVERRUNNING THE RUNWAY.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
May 6, 1990
Place
Torrance, California · Torrance Muni
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Mooney M20 · all M20s on the register
Registration
N300MD · registry record · serial 400
Damage
Substantial damage
Flight
Flight of an unrecorded kind · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

THE PLT INDICATED THE ENG LOST POWER AND CONTINUED TO IDLE AT 400 FT AGL WHILE IN A RIGHT TURN. THE PLT LANDED THE AIRPLANE ON THE TAKEOFF RWY IN THE REVERSE DIRECTION. THE AIRPLANE OVERRAN THE RWY, AND STRUCK AN IRRIGATION PIPE. THE AIRPLANE NOSED OVER. AN 18 KNOT TAILWIND WAS REPORTED AT THE TIME OF THE ACCIDENT. THE AIRPLANE HAD A LOSS OF ENG POWER IN AUGUST OF 1989. THERE WERE NO INJURIES OR DAMAGE TO THE AIRPLANE AS A RESULT OF THE INCIDENT. THE ENG WAS EXAMINED AS A RESULT OF THE INCIDENT. THERE WAS NO EVIDENCE OF A MECHANICAL FAILURE OR MALFUNCTION FOUND. THE AIRPLANE HAD BEEN FLOWN ONCE FOR ABOUT AN HOUR SINCE AGU 1989. AFTER THE ACCIDENT THE ENG WAS AGAIN EXAMINED. THERE WAS NO EVIDENCE OF MECHANICAL FAILURE. THE ENG STARTED AND RAN FOR 30 MIN AFTER THE ACCIDENT. THE PLT INDICATED THAT THE AIRPLANE HAD BEEN WASHED BEFORE THE AUGUST 1989 INCIDENT. IT WAS REPORTED THAT THE AIRPLANE WAS AGAIN WASHED BEFORE THE ACCIDENT.

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: private
  • Ratings: multi-engine land; single-engine land; instrument: airplane; rotorcraft: glider
  • Flight time: 3,426 hours in all; 2,800 in this make and model; 22 in the last 90 days; 8 in the last 30 days; 3,426 as pilot in command
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: annual inspection, January 2, 1990; 1 hours since
  • Maximum gross weight: 2,740 lb
  • Seats: 4
  • Landing gear: retractable
  • Engine: Lycoming IO-360-A1A (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 11R, 3,000 ft by 75 ft

Weather at the time

  • Light: daylight
  • Wind: from 280° at 18 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 70°F (21°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

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.