Crash of a Rockwell Grand Commander 680F in Medford: 4 killed

The pilot reported a loss of power on both engines during descent to land. Approximately 3 minutes prior, tower gave pilot option of 'straight-in' to runway 14 or regular pattern to runway 32. The pilot hesitated and said 'just a minute' and tower offered wind info as '210 at 13.' Pilot replied, 'kay.' Approximately 1 minute later pilot said '33W will make a left base for 14.' Tower cleared him and declared visual contact. Pilot acknowledged '3 whiskey.' One minute and 54 seconds later, pilot declared power loss and emergency. Tower rogered. Seven seconds later, pilot said 'gonna hit it' followed 2 seconds later with an unintelligible comment. Witnesses saw the aircraft gliding wings level toward runway when a loud 'rev' was heard, the aircraft pitched up and rolled left to an inverted position before ground contact and explosion. Post accident investigation did not disclose any engine or fuel system malfunction. This aircraft had experienced a power loss after descending from 15,500 to 12,000 feet msl on 2/2/85 with the same pilot as reported by the copilot on that flight. After approximately 1 1/2 minutes power was restored. All four occupants were killed.