OSHKOSH, Wis. — Two people were killed in a plane crash in a farm field just south of EAA AirVenture grounds in Oshkosh on Monday, according to the Winnebago County Sheriff’s Office.

What You Need To Know

  • A plane crashed in a farm field just south of EAA AirVenture grounds in Oshkosh on Monday

  • When first responders arrived, they found the plane fully engulfed in flames. There were two occupants in the plane, who both died

  • Officials believe the occupants to be Sean M. Tommervik and James G. Sullivan
  • NTSB is asking any witnesses, those who have surveillance video and anyone with information of the accident to contact them at witness@ntsb.gov

The National Transportation Safety Board (NTSB) said the accident occurred around 12:15 p.m. Officials said they responded at around 12:50 p.m. near Old Knapp Road and Nekimi Avenue in the Town of Nekimi for a plane crash. The crash was first reported by Air Traffic Control in the Wittman Airport tower.

When first responders arrived, they found the plane fully engulfed in flames. There were two occupants in the plane, who both died.

The Winnebago County Sheriff’s Office said it believes the identity of one occupant was 37-year-old Sean M. Tommervik, who was from El Paso, Texas but recently moved to Philadelphia. The other occupant is believed to be 32-year-old James G. Sullivan, who was originally from Nashville but had recently moved to Brooklyn, New York.

Officials said the identities of the occupants have yet to be confirmed by the official medical examiner in the case, but that there is no reason to believe the two occupants weren’t Tommervik and Sullivan. Tommervik was the owner of the plane that crashed.

“Our deepest condolences are with the family and friends of the deceased occupants,” Winnebago County Sheriff’s Office said in a statement.

The crash of the Lancair ES airplane is being investigated by NTSB. Officials with NTSB said it has an investigator on site who will document the wreckage, which will be moved to a secure facility for further investigation. NTSB said it expects a preliminary report within 30 days; a final report, with details on the probable cause of the crash, will be released in 12-24 months.

NTSB is asking any witnesses, those who have surveillance video and anyone with information of the accident to contact them at witness@ntsb.gov.

The Winnebago County Sheriff’s Office, the City of Oshkosh Fire Department, Nekimi Fire Department and First Responders, Van Dyne Fire Department, Wisconsin State Patrol and members of NTSB all responded to the crash.

Officials said no further information will be released at this time and that further updates will be shared by NTSB.

The week-long air show kicked off Monday. Hundreds fly into the area for the big event.

This story is developing. Check back for updates.