One flight instructor dead and one student seriously injured in plane crash

The pilot reported that they overflew the frozen lake and passed on the original landing area due to ice cracks and heaves. He flew to another area of the lake and located a suitable landing spot. He completed a low pass to survey the landing area and confirm its suitability. During the landing roll, he was unable to stop the airplane in the surveyed area; the airplane continued into a crack in the ice and became partially submerged. The airplane sustained substantial damage to the firewall and lower fuselage. The pilot reported that there were no preimpact mechanical malfunctions or failures that would have precluded normal operation.The pilot reported that they overflew the frozen lake and passed on the original landing area due to ice cracks and heaves. He flew to another area of the lake and located a suitable landing spot. He completed a low pass to survey the landing area and confirm its suitability. During the landing roll, he was unable to stop the airplane in the surveyed area; the airplane continued into a crack in the ice and became partially submerged. The airplane sustained substantial damage to the firewall and lower fuselage. The pilot reported that there were no preimpact mechanical malfunctions or failures that would have precluded normal operation.The pilot reported that they overflew the frozen lake and passed on the original landing area due to ice cracks and heaves. He flew to another area of the lake and located a suitable landing spot. He completed a low pass to survey the landing area and confirm its suitability. During the landing roll, he was unable to stop the airplane in the surveyed area; the airplane continued into a crack in the ice and became partially submerged. The airplane sustained substantial damage to the firewall and lower fuselage. The pilot reported that there were no preimpact mechanical malfunctions or failures that would have precluded normal operation.