Air America Flight Center

Operated by Air America Flight Center (per NTSB report)

The pilot's inadequate preflight weather planning, which resulted in the flight over mountainous terrain into forecast instrument meteorological conditions, icing, and mountain wave, and resulted in an uncontrolled descent and collision with terrain.

Operated by Air America Flight Center LLC (per NTSB report)

The pilots’ failure to maintain adequate control of the airplane during the initial climb after takeoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall at a low altitude. Contributing to the accident was the operation of the airplane above its maximum takeoff weight at a high density altitude at the time of the accident.

Operated by AIR AMERICA FLIGHT CENTER LLC (per NTSB report)

A total loss of engine power due to a catastrophic engine failure, the origin of which could not be determined during postaccident examination.

Operated by Air America Flight Center (per NTSB report)

The student pilot's improper flare.

Operated by Air America Flight Center (per NTSB report)

The inadequate weather evaluation by the pilot-in-command which resulted in the in-flight encounter with rain and thunder that resulted in a precautionary landing and subsequent on-ground collision with a ditch.