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Accidents · NTSB WPR19LA003 · Final report

Piper PA28 accident near Grass Valley, California, October 8, 2018

On October 8, 2018 at about 6:00 pm local time, a 1979 Piper PA28, registered N2250S, was substantially damaged in an accident during enroute near Grass Valley, California (Nevada County airport). It was an instructional flight 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

A loss of engine power due to fuel starvation and the pilot's mismanagement of the available fuel.

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

What the record shows

Date
October 8, 2018 · about 6:00 pm local time
Place
Grass Valley, California · Nevada County · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA28 161, built 1979 · all PA28s on the register
Registration
N2250S · no longer on the register · serial 28-7916292
Damage
Substantial damage
Flight
Instructional flight · general aviation rules (Part 91)

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

The accident flight was the student pilot’s first solo cross-country flight; the intended route of flight included stops at five airports along the route. Prior to departure, the pilot confirmed the left fuel tank was full, and the right fuel tank contained about 17 gallons. The airplane was not refueled during the cross-country flight. The pilot stated she flew with the left fuel tank selected until the final leg of the trip. She report that, after departure from the last airport, she switched to the right fuel tank. When the airplane was about 5 miles from Grass Valley Airport (GOO), at an altitude of about 5,000 ft above ground level (agl), the engine started to sputter. The pilot attempted, unsuccessfully, to restart the engine and she contacted the air traffic control tower at GOO to report an engine failure. She was cleared to land; however, the airplane was at an altitude of 3,200 feet agl and continuing to lose altitude. When she realized the airplane would not make it to the airport, she performed a forced landing to an open field. During the landing, the nose landing gear collapsed, and the right wing was damaged. After the accident, 17 gallons of fuel were removed from the right-wing fuel tank and the left-wing fuel tank was empty. Because the amount of fuel in the right fuel tank after the accident was the same as before takeoff and the pilot stated she flew most of the flight with the left fuel tank selected, it is likely that, despite her report of switching to the right fuel tank, the left tank remained selected, and its fuel supply was exhausted. Other than the absence of fuel, no anomalies were noted with the engine that would have precluded normal operation.

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

What happened, in order

  1. Loss of engine power (partial) during enroute (cruise)
  2. Loss of engine power (partial) during emergency descent
  3. Collision with terrain or object (not controlled flight into terrain) during emergency descent
  4. Fuel related during enroute defining event

The NTSB's findings

  • Aircraft › Fluids/misc hardware › Fluids › Fuel › Fluid management
  • Personnel issues › Task performance › Use of equip/info › Use of equip/system › Student/instructed pilot

Pilot

  • Certificate: student
  • Flight time: 43 hours in all; 43 in this make and model
  • Last flight review: August 21, 2018
  • Medical certificate: Class 3 (without waivers/limitations)
  • Seat: left
  • Injury: no injuries

The aircraft

  • Maximum gross weight: 2,326 lb
  • Landing gear: fixed
  • Engine: Lycoming O-320 SERIES (piston); 0 hours total
  • Operator: Mach 5 Aviation

The flight

  • Departed from: RBL Red Bluff CA
  • Destination: GOO Grass Valley CA
  • Flight plan: not recorded

Weather at the time

  • Light: daylight
  • Wind: from 240° at 7 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 66°F (19°C), dew point 23°F (-5°C)
  • Altimeter: 26.70 inHg
  • Observation at 6:00 pm from GOO, 6 miles away

Injuries

FatalSeriousMinorNone
Flight crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check 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.