Sikorsky S58 accident near Cusco, Pe, June 6, 2012
On June 6, 2012 at about 10:21 pm local time, a Sikorsky S58 (helicopter), registered OB1840P, was destroyed in an accident during enroute (cruise) near Cusco. It was flown under non-U.S. commercial rules. 14 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
- June 6, 2012 · about 10:21 pm local time
- Place
- Cusco, Peru
- Type
- Accident
- Injuries
- 14 people were killed.
- Weather
- not recorded
- Aircraft
- Sikorsky S58 ET · all S58s on the register
- Registration
- OB1840P · no longer on the register
- Damage
- Destroyed
- Flight
- Flight · non-U.S. commercial rules
The NTSB's narrative preliminary · quoted from the NTSB record
The Comisión de Investigación de Accidentes de Aviación of Peru (CIAA) has notified the NTSB of an accident involving a Sikorsky S58 helicopter that occurred on June 06, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the CIAA investigation under the provisions of ICAO Annex 13 as the State of Manufacturer and Design of the helicopter. All investigative information will be released by the CIAA.
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
- Miscellaneous/other during enroute (cruise) defining event
The aircraft
- Landing gear: fixed
- Fire on the ground
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 2 | |||
| Passengers | 12 |
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.