The National Transportation Safety Board is reporting four to six people are now believed to be dead after a small plane crashed in a Connecticut neighborhood, setting two houses up in flames.

The latest report indicates that two or three people in the plane and two or three on the ground were killed according to NTSB investigator Robert Gretz, who spoke with the New York Daily News.

State and local authorities are still investigating the scene to confirm the official number of victims as of press time.

The crash occurred when a small plane was trying to land at a nearby airport just blocks away from the residential neighborhood.

Two of the unconfirmed dead are believed to be pilot Bill Henningsgaard and his son Max according to NBC New York.

Two kids, aged 11 and 13, from East Haven, Connecticut are missing as well according to the Daily News.

"The plane was burning slow and then it started really burning," said Frannk Digilo, who along with another man, tried finding the kids in one of the two burning houses according to The Hartford Courant. "The fire engines arrived in like 10 minutes. They came real quick and they told us all to move. The house got really out of control."

The pilot of the plane had been unaccounted for after the turbo-prop plane departed from Teterboro Airport in New Jersey. The two were touring colleges on the East Coast, according to Blair Henningsgaard, to The Wall Street Journal.

The pilot had been in communication with air traffic control the entire flight and did not report any issue with the aircraft.

"All we know is that it missed the approach and continued on. There were no distress calls as far as we know," said Lori Hoffman-Soares, Tweed's airport manager, in a press statement.

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