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Accidents · NTSB SEA92LA070 · Final report

Robinson R-22 BETA accident near Hoquiam, Washington, April 8, 1992

On April 8, 1992 at about 9:05 pm local time, a Robinson R-22 BETA (helicopter), registered N393DB, was destroyed in an accident near Hoquiam, Washington (Bowerman airport). It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE INADEQUATE PREFLIGHT PLANNING AND PREPARATION BY THE PILOT, AND HIS FAILURE TO REMOVE A TIE DOWN ROPE BEFORE TAKEOFF.

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

What the record shows

Date
April 8, 1992 · about 9:05 pm local time
Place
Hoquiam, Washington · Bowerman · map
Type
Accident
Injuries
1 person had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Robinson R-22 BETA · all R-22 BETAs on the register
Registration
N393DB · no longer on the register · serial 1162
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT TOOK OFF TO A HOVER FROM THE PARKING RAMP, LOST CONTROL, AND THE ACFT IMPACTED THE GROUND AND ROLLED OVER. A BROKEN ACFT TIEDOWN ROPE WAS FOUND BESIDE THE WRECKAGE.

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: rotorcraft: helicopter
  • Flight time: 418 hours in all; 412 in this make and model; 14 in the last 90 days; 4 in the last 30 days
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 297 hours
  • Last inspection: annual inspection, December 11, 1991; 32 hours since
  • Maximum gross weight: 1,370 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-320-B2C (piston); 0 hours total

The flight

  • Destination: NONE Issaquah WA
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 30 statute miles
  • Sky: scat at 4,000 ft
  • Temperature: 55°F (13°C), dew point 36°F (2°C)
  • Altimeter: 30.00 inHg

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.