Just spotted this on the NTSB Preliminary Report page...

NTSB Identification: FTW04WA137
14 CFR Non-U.S., Non-Commercial
Accident occurred Wednesday, April 07, 2004 in Novalato, Mexico
Aircraft: Lancair IV-P, registration: XB-IPZ
Injuries: 3 Fatal.
This is preliminary information, subject to change, and may contain
errors. Any errors in this report will be corrected when the final
report has been completed.

On April 7, 2004, at 1215 central daylight time, a Lancair IV-P
single-engine amateur built airplane, Mexican registration XB-IPZ, was
destroyed upon impact with terrain following a loss of control while
maneuvering near Novalato, State of Sinaloa, in the Republic of Mexico.
The flight instructor, the private pilot receiving instruction, and the
mechanic acting as an interpreter, were fatally injured. The airplane
was owned and operated by the pilot receiving qualification training.
Visual meteorological conditions prevailed throughout the region and a
visual flight rules (VFR) flight plan was filed for the local
instructional flight. The pilot/owner of the airplane, who had purchased
and exported the airplane on February 3, 2004, was a Mexican national,
while the other 2 occupants were U.S. citizens.

Local authorities reported that witnesses observed the airplane the
airplane traveling southbound and subsequently the airplane entered a
nose-low spiral until impact with the ground. A post-impact fire
consumed the aircraft. The accident investigation is under the control and jurisdiction of the
Government of the Republic of Mexico. Further information may be
obtained from:

Secretaria de Comunicaciones y Transportes (SCT)
Direccion General de Aeronautical Civil (DGAC) Providencia 807, Cuarto Piso
Colonia del Valle, Codigo Postal 03100
Mexico, D.F.

This report is for informational purposes only and contains only
information released by, or obtained from the DGAC of the Republic of
Mexico.