The U.S. aircraft register, updated daily
Accidents · NTSB ERA19WA261 · Preliminary: the investigation is not finished

Agusta A109 accident near Poros, Gr, August 20, 2019

On August 20, 2019 at about 12:37 pm local time, a Agusta A109 (helicopter), registered SXHTO, was substantially damaged in an accident during enroute (cruise) near Poros. It was flown under non-U.S. private rules. 3 people were killed.

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
August 20, 2019 · about 12:37 pm local time
Place
Poros, Greece
Type
Accident
Injuries
3 people were killed.
Weather
not recorded
Aircraft
Agusta A109 C · all A109s on the register
Registration
SXHTO · no longer on the register · serial 7671
Damage
Substantial damage
Flight
Flight · non-U.S. private rules

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

The government of the Hellenic Republic, Greece, has notified the NTSB of an accident involving an Agusta A-109C helicopter that occurred on August 20, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Greece's investigation under the provisions of ICAO Annex 13.All investigative information will be released by the government of Greece.

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 in flight during enroute (cruise) defining event

The aircraft

  • Landing gear: fixed
  • Engine: Rolls-Royce (turboshaft); 0 hours total
  • Not recorded

Weather at the time

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

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers2

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.