Eurocopter AS-355-F2 accident near Alto Alegre, Br, April 6, 2011
On April 6, 2011 at about 10:25 pm local time, a Eurocopter AS-355-F2, registered PTHNA, was destroyed in an accident during enroute (descent) near Alto Alegre. It was flown under non-U.S. commercial rules. 3 people were killed and 2 people had minor injuries.
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
- April 6, 2011 · about 10:25 pm local time
- Place
- Alto Alegre, Brazil · map
- Type
- Accident
- Injuries
- 3 people were killed and 2 people had minor injuries.
- Weather
- not recorded
- Aircraft
- Eurocopter AS-355-F2 · all AS-355-F2s on the register
- Registration
- PTHNA · no longer on the register · serial 5736
- Damage
- Destroyed
- Flight
- Flight · non-U.S. commercial rules
The NTSB's narrative preliminary · quoted from the NTSB record
On April 6, 2011, about 2225 coordinated universal time, a Eurocopter AS-355-F2, Brazilian registration PT-HNA, was destroyed when it impacted terrain near Alto Alegre, Brazil. The pilot and one passenger incurred minor injuries, and three passengers were fatally injured. The flight originated from Surucucu, Brazil (SWUQ) and was destined for Boa Vista, Brazil (SBBV). The flight was conducted under Brazilian flight regulations. This investigation is under the jurisdiction of the Government of Brazil. For further information contact: Areonautical Accident Prevention and Investigation Center SHIS - QI 05 - VI COMAR Brasilia -DF, Brazil 71.615-600 Tel: 55 61 3364 8800 Fax: 53 61 3365 1004 dipaa@cenipa.aer.mil.br This report is for informational purposes only and contains information released by or obtained from the Government of Brazil.
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
- Unknown or undetermined during enroute (descent) defining event
Crew member
No details recorded.
The aircraft
- Landing gear: fixed
- Fire on the ground
The flight
- Departed from: SWUQ Surucucu at 9:40 pm
- Destination: SBBV Bon Vista
- Flight plan: not recorded
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | |||
| Passengers | 3 | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket 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.