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Accidents · NTSB LAX84LA254 · Preliminary: the investigation is not finished

Boeing A75N1 accident near Scaggs Island, California, April 13, 1984

On April 13, 1984 at about 11:15 pm local time, a Boeing A75N1, registered N3387, was substantially damaged in an accident near Scaggs Island, California. It was a personal flight under general aviation rules (Part 91). 2 people were seriously injured. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

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

What the record shows

Date
April 13, 1984 · about 11:15 pm local time
Place
Scaggs Island, California · map
Type
Accident
Injuries
2 people were seriously injured.
Weather
visual conditions (good weather)
Aircraft
Boeing A75N1 · all A75N1s on the register
Registration
N3387 · no longer on the register · serial 75-3387
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

DURING A LOCAL FLT, THE ACFT CRASHED ON THE SIDE OF A LEVEE WHILE MANEUVERING. BOTH PLTS WERE SERIOUSLY INJURED & NEITHER OF THEM COULD RECALL DETAILS OF THE FLT. AN EXAM OF THE CRASH SITE REVEALED THE PLANE WAS TRAVELING NEARLY PARALLEL WITH THE LEVEE WHEN IT CRASHED. GRASS (18 INCHES TALL) ON THE LEVEE HAD BEEN NEATLY SLICED PRIOR TO THE PRINCIPAL IMPACT. THE WIDTH OF THE SWATH MEASURED THE APRX WING SPAN OF THE LOWER WINGS. AFTER IMPACT, THE MAIN WRECKAGE TRAVELED ABOUT 100 FT BEFORE COMING TO REST. NO PREIMPACT/MECHANICAL PART FAILURE OR MALFUNCTION WAS EVIDENT.

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: airline transport pilot, flight instructor
  • Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: rear

The aircraft

  • Last inspection: annual inspection, March 1, 1984
  • Maximum gross weight: 2,950 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Continental W-670-6N (piston); 0 hours total

The flight

  • Departed from: 003 Sonoma CA at 10:30 pm
  • Destination: 003 Sonoma CA
  • Flight plan: none
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 260° at 15 knots
  • Visibility: 20 statute miles
  • Sky: clear
  • Temperature: 75°F (24°C), dew point 0°F (-18°C)

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.