SeyAero — aviation incident investigation platform logo
START_A_CASE

AWAITING INVESTIGATORUNCONFIRMED2026-10-13ACCREDITED INVESTIGATOR NEEDEDACTIVE MONITORING

Follow-up reporting and official statements are still being collected.

Five adults, one child dead in Sauk Co. Plane crash

Aircraft:
not established
Operator:
not established
Registration:
not established
Location:
southwest of Lake Delton, Sauk County, Wisconsin, US
Occurrence type:
accident
Severity:
fatal
Investigation authority:
Not yet identified
Last verified:
2026-10-15 02:51Z

Reported, but not yet independently confirmed. Highest source tier held: Aviation media. 1 source attached.

CASE WATCH — SeyAero has prepared a computational workspace for this occurrence from open sources. This is not an investigation and contains no finding. The formal safety investigation is the responsibility of the State authority under ICAO Annex 13.

What is known

Six people, comprising five adults and one child, died after a plane crash just southwest of Lake Delton, Sauk County, on Tuesday night. The Sauk County Sheriff's Office confirmed the fatalities.

What is not yet known

  • · What was the aircraft's type and registration?
  • · What was the exact time of the crash?
  • · What was the aircraft's origin and destination?

Evidence likely to be relevant

Flight data

  • · Flight data recorder or QAR supporting
  • · Track data (ADS-B, radar) supporting

Voice

  • · Cockpit voice recorder supporting
  • · ATC recordings and transcript supporting

Environment

  • · Weather observations and forecasts supporting
  • · Drift and current modelling supporting
  • · Acoustic observations supporting

Aircraft

  • · Maintenance and technical logs supporting
  • · Components and exhibits supporting

Human factors

  • · Crew records, duty and training supporting

External evidence

  • · Photographs, video and imagery supporting
  • · Witness and ground reports critical

Site and recovery

  • · Wreckage distribution and site survey critical

Sources

Source timeline

  • 2026-10-15 02:51Z · Case Watch opened from open-source reporting. Awaiting an investigator.

Investigation workspace

This file is prepared and unclaimed. Claiming it opens a private SeyAero workspace with the evidence plan, the sources and the timeline already in place.

Claim this caseI am working on this occurrenceRequest access for your team

Share this record

NEW AVIATION OCCURRENCE

SeyAero has opened a Case Watch for Five adults, one child dead in Sauk Co. Plane crash.
southwest of Lake Delton, Sauk County, Wisconsin, US
Verification: UNCONFIRMED · Sources: 1
Investigation authority: not yet identified

Evidence plan prepared. Available for investigator claim.

All occurrence records