A helicopter crash along the Texas Gulf Coast killed two people, according to the local sheriff.

The Robinson R44 helicopter was flying from Port O'Connor to the Calhoun County-Port Lavaca Airport about 20 miles north of Port O’Connor when it crashed Monday night, according to the National Transportation Safety Board.

The crash, discovered Tuesday, occurred in Seadrift, about 7 miles west of Port O’Connor.

TEXAS HELICOPTER CRASHES AND BURSTS INTO FLAMES, PILOT CONFIRMED DEAD

Calhoun County Sheriff Bobbie Vickery said the male pilot and a female passenger died as the result of the crash.

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A Texas helicopter crash that killed two people is being investigated by the NTSB.

The NTSB said an investigator was expected at the site Wednesday and a preliminary report on the crash would be published in about 15 days.

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A final report on the crash can take up to two years to complete, the NTSB said.