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Accidents · NTSB WPR26LA231 · Preliminary: the investigation is not finished

Amateur-built S-7 RANS accident near Wessington Springs, South Dakota, June 6, 2026

On June 6, 2026 at about 3:00 pm local time, a amateur-built S-7 RANS, registered N4186J, was substantially damaged in an accident during approach (VFR go-around) near Wessington Springs, South Dakota. It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved.

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
June 6, 2026 · about 3:00 pm local time
Place
Wessington Springs, South Dakota · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
not recorded
Aircraft
Amateur-built S-7 RANS
Registration
N4186J · registry record · serial 0309527
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Abnormal runway contact during approach (VFR go-around) defining event

The aircraft

  • Seats: 2
  • Landing gear: fixed

The flight

  • Flight plan: none

Weather at the time

  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

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.