I have received a copy of TSB Canada's official accident report on N750F (LIV-4T Walter) that crashed in Canada on August 9 2005. The report should be posted in the near future at www.tsb.gc.ca.

The synopsis is that the aircraft was flying at FL200 and flew into towering cumulus cloud tops. 30 seconds later it had collected enough ice to stall and went into a spiral dive. The aircraft descended through 11,000 feet with a calculated airspeed of 412 Kts (Mach 0.62) . The aircraft disintegrated mid air about 8,000 AGL. Indicated airspeed readings were indicative of an iced (blocked) pitot tube. Power was never reduced from climb setting. The time between leaving FL200 and impact was less than 100 seconds. Aircraft weight at the time was estimated at between 3,800 and 3,900 lbs. The owner had arbitrarily set the GTOW to 4,000 lbs, 450 pounds above the factory recommendation.

Regards
Brent Regan