At 17:50 eastern time, a Cessna 172P crashed while landing at Princeton Airport, seriously injuring the student pilot. The pilot said he was shooting touch-and-goes when I started to flare and the airplane started to drift off the runway. I added full power and pushed the carburetor heat in. The plane lifted up and went nose in. I guess I stalled it. Witnesses said the landings were all nose-high, and on the final landing it appeared the pilot hit the tail skid on the ground.