Overview

• The preliminary report finds the pilot flew below the published glideslope while executing an RNAV approach in thick fog
• A NOTAM had warned that runway alignment indicator lights at Montgomery-Gibbs Executive Airport were out of service since March 28, 2022
• ADS-B data show the Cessna Citation S550 struck power lines 90–95 feet above ground about 1.8 nautical miles from the runway
• All six people aboard were killed and one home plus 20 cars were destroyed while several nearby structures were damaged
• The NTSB’s ongoing investigation into instrument approach procedures and airport infrastructure reliability will conclude with a final report expected within a year