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Accidents · NTSB WPR23LA359 · Final report

Stinson 108-1 accident near San Diego, California, September 27, 2023

On September 27, 2023 at about 10:30 pm local time, a 1947 Stinson 108-1, registered N9128K, was substantially damaged in an accident during landing (landing roll) near San Diego, California (Gillespie Fld airport). It was a personal 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

The pilot’s failure to maintain directional control during landing in gusty wind conditions that resulted in a ground loop.

Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.

What the record shows

Date
September 27, 2023 · about 10:30 pm local time · cases in 2023
Place
San Diego, California · Gillespie Fld · cases near this airport · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Stinson 108-1, built 1947 · all 108-1s on the register
Registration
N9128K · registry record · serial 108-2128
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot reported that upon arrival at the destination airport the reported wind conditions were variable wind at 10 knots gusting to 12 knots. The pilot reported that he performed a 3-point landing; on touch down, he was not able to maintain center line due to gusty southern crosswinds and the airplane ground looped. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane 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 control on ground during landing (landing roll) defining event
  2. Other weather encounter during landing (landing roll)

The NTSB's findings

  • Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Directional control › Not attained/maintained
  • Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
  • Environmental issues › Conditions/weather/phenomena › Wind › Gusts › Effect on equipment

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 1,853 hours in all; 1,118 in this make and model; 12 in the last 90 days; 8 in the last 30 days; 1,182 as pilot in command
  • Last flight review: September 28, 2021
  • Medical certificate: Class 3 (with waivers/limitations)
  • Seat: left
  • Injury: no injuries

The aircraft

  • Last inspection: annual inspection, August 2, 2023; 5.6 hours since
  • Maximum gross weight: 2,230 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Franklin 6A4150-B3 (piston); 0 hours total

The flight

  • Departed from: PVT Porterville CA at 7:50 pm
  • Flight plan: none
  • Runway 27R, 5,342 ft by 100 ft

Weather at the time

  • Light: daylight
  • Wind: from 230° at 11 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 82°F (28°C), dew point 57°F (14°C)
  • Altimeter: 29.86 inHg
  • Observation at 2:47 pm from KSEE

Weather report (METAR): KSEE 272147Z 23011KT 10SM SKC 28/14 A2986

Injuries

FatalSeriousMinorNone
Flight crew1

Photographs from the investigation 5 pictures from the NTSB's docket, as the NTSB released them

The NTSB's photographs with the NTSB's captions, at screen size. Open a picture to see it full size or to report one that should not be shown.

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

3 documents, released by the NTSB on December 13, 2023. 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.

#DocumentWhat it is
1 Pilot/operator Aircraft Accident Report, NTSB Form 6120.1 PDF, 11 pages View Download
2 Mechanic Statement PDF, 1 page View Download
3 Photos PDF, 5 pages · our copy View Download

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

Connections how this case links to the rest of the register

Aircraft
Place

The whole map of how records connect · these connections as data: /graph/accident/WPR23LA359.json.

The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.

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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.