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AWAITING INVESTIGATORUNCONFIRMED2026-09-24

4 Army soldiers believed dead in helicopter crash in Washington state

Aircraft:
helicopter
Operator:
US Army
Registration:
not established
Location:
Washington state, USA
Occurrence type:
accident
Severity:
fatal
Investigation authority:
Not yet identified
Last verified:
2026-09-25 13:51Z

Reported, but not yet independently confirmed. Highest source tier held: Open news search. 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

A helicopter crash in Washington state is believed to have killed four Army soldiers. The incident occurred on September 24, 2026. The report indicates military involvement but does not specify the helicopter type or registration.

What is not yet known

  • · What was the specific model of the helicopter?
  • · What was the registration or tail number of the helicopter?
  • · What was the mission or activity of the helicopter?
  • · Where in Washington state did the crash occur?

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 important

External evidence

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

Site and recovery

  • · Wreckage distribution and site survey important

Sources

Source timeline

  • 2026-09-25 13:51Z · 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.

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NEW AVIATION OCCURRENCE

SeyAero has opened a Case Watch for 4 Army soldiers believed dead in helicopter crash in Washington state.
helicopter · US Army · Washington state, USA
Verification: UNCONFIRMED · Sources: 1
Investigation authority: not yet identified

Evidence plan prepared. Available for investigator claim.

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