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Accidents · NTSB WPR20LA094 · Final report

Ercoupe 415 accident near Torrance, California, February 25, 2020

On February 25, 2020 at about 8:20 pm local time, a 1946 Ercoupe 415, registered N3437H, was substantially damaged in an accident during initial climb near Torrance, California (Zamperini Field). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The partial loss of power due to a malfunction of the throttle cable, which limited movement of the throttle body.

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

What the record shows

Date
February 25, 2020 · about 8:20 pm local time
Place
Torrance, California · Zamperini Field · map
Type
Accident · collision on the ground
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Ercoupe 415 C, built 1946 · all 415s on the register
Registration
N3437H · registry record · serial 4062
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

While the pilot was conducting touch-and-go takeoffs and landings, the airplane’s engine lost partial power about 200 ft above ground level and began surging. The pilot performed a 90° left turn to land on a taxiway. After touchdown, the airplane veered left and collided with two parked airplanes. Examination revealed that manipulation of the throttle control in the cockpit did not correspond with the complete butterfly valve deflection in the throttle body. The limited motion of the throttle cable was likely the result of the movement of the cable’s outer housing (sheath) and/or loose rigging resulting in the cable bowing.

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 initial climb defining event

The NTSB's findings

  • Aircraft › Aircraft power plant › Engine fuel and control › Fuel control/carburetor › Malfunction
  • Aircraft › Aircraft power plant › Engine fuel and control › Fuel controlling system › Inoperative

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 581 hours in all; 350 in this make and model; 5 in the last 90 days; 2.4 in the last 30 days
  • Last flight review: February 25, 2018
  • Medical certificate: Sport Pilot (without waivers/limitations)
  • Seat: left
  • Injury: no injuries

The aircraft

  • Airframe total time: 1,749.4 hours
  • Last inspection: annual inspection, February 7, 2020; 1 hours since
  • Maximum gross weight: 1,320 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Continental Motors C-85 (piston); 1,749 hours total

The flight

  • Departed from: TOA Torrance CA at 8:00 pm
  • Destination: TOA Torrance CA
  • Flight plan: none
  • Runway 29R, 5,001 ft by 150 ft

Weather at the time

  • Light: daylight
  • Wind: from 280° at 8 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 75°F (24°C), dew point 50°F (10°C)
  • Altimeter: 30.17 inHg

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers1

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

5 documents, released by the NTSB on December 22, 2021. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

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.