Contact with Air Traffic Control
At 0010, the pilot of an aircraft contacted San Antonio Tower approximately 10 miles north of San Antonio International Airport. The pilot reported being at 3,100 feet and in the clouds. The controller instructed the pilot to turn left to a heading of 030 degrees and maintain 3,000 feet, and asked if an IFR clearance was desired. The pilot affirmed.
Vectors for ILS Approach
The aircraft was subsequently vectored for an Instrument Landing System (ILS) approach to Runway 12R. At 0012, the aircraft was turned to a heading of 270 degrees and instructed to maintain 3,000 feet. At 0017, the aircraft was given a left turn to a heading of 230 degrees.
Low Altitude Alert and Loss of Control
Shortly after the turn, the controller observed a low altitude alert. The pilot then reported that the aircraft was out of control. At 0018, radar contact with the aircraft was lost.