At 23:25 central time, a Piper PA-31T1 crashed on approach to Graham Municipal Airport. The pilot and his three passengers were killed. The pilot was instrument-rated and IMC prevailed, but a flight plan was not filed. The flight was reported overdue the next day and the crash site was found three days after the crash. The wreckage indicated the airplane crashed while in controlled flight. A weather station 32 miles from the crash site reported broken cloud layers at 600 and 7,000 feet, visibility four miles in mist, temperature 15, dewpoint 14 at the time of the crash.