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Accidents · NTSB LAX93FA369 · Final report

Robinson R22 BETA accident near Wildomar, California, September 24, 1993

On September 24, 1993 at about 9:54 pm local time, a Robinson R22 BETA (helicopter), registered N40049, was destroyed in an accident near Wildomar, California. It was a flight of an unrecorded kind under general aviation rules (Part 91). 2 people were killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE FAILURE OF THE TAIL ROTOR BLADE AFTER BEING STRUCK BY THE PILOT'S KNEE BOARD, AND THE FAILURE OF THE PILOT TO ADEQUATELY SECURE THE KNEE BOARD WHILE IN FLIGHT.

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

What the record shows

Date
September 24, 1993 · about 9:54 pm local time
Place
Wildomar, California · map
Type
Accident
Injuries
2 people were killed.
Weather
visual conditions (good weather)
Aircraft
Robinson R22 BETA · all R22 BETAs on the register
Registration
N40049 · no longer on the register · serial 1462
Damage
Destroyed
Flight
Flight of an unrecorded kind · general aviation rules (Part 91)

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

WITNESSES HEARD TWO BANG NOISES FOLLOWED BY THE HELICOPTER SHEDDING DEBRIS. THE HELICOPTER THEN BEGAN TO SPIN TO THE RIGHT, AND DESCENDED UNCONTROLLED UNTIL COLLIDING WITH THE GROUND. THE TAIL ROTOR GEAR BOX, TAIL ROTOR BLADES, AND VERTICAL AND HORIZONTAL STABILIZER SEPARATED BEFORE THE HELICOPTER IMPACTED THE GROUND. THE LEFT DOOR OF THE HELICOPTER WAS REMOVED FOR THE FLIGHT. AN ALUMINUM KNEE BOARD, BELONGING TO THE PILOT, WAS FOUND OUTSIDE THE HELICOPTER NEAR ONE OF THE TAIL ROTOR BLADES. IT EXHIBITED IMPACT DAMAGE AND PAINT TRANSFER CONSISTENT WITH THE COLOR OF THE TAIL ROTOR BLADES. THE TIP OF ONE OF THE TAIL ROTOR BLADES EXHIBITED DAMAGE ON THE LEADING EDGE CONSISTENT WITH STRIKING A METALLIC OBJECT.

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: single-engine land; rotorcraft: helicopter
  • Flight time: 185 hours in all; 108 in this make and model; 45 in the last 90 days; 30 in the last 30 days; 65 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: rgt

The aircraft

  • Airframe total time: 1,765 hours
  • Last inspection: 100-hour inspection, September 12, 1993; 15 hours since
  • Maximum gross weight: 1,370 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-235-B2C (piston); 0 hours total

The flight

  • Departed from: POC La Verne CA at 9:30 pm
  • Destination: F70 Murrieta CA
  • Flight plan: none
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 160° at 2 knots
  • Visibility: 20 statute miles
  • Sky: clear
  • Temperature: 95°F (35°C), dew point 34°F (1°C)
  • Altimeter: 29.00 inHg
  • Observation at 8:55 pm from RIV, 37 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.