Narrative:

We were just cleared for takeoff. Having briefed the student during preflight discussion on the objectives for the flight, including aborted takeoff, I informed him that he had the aircraft but that I would control the throttle. I applied takeoff power and the student was tracking the centerline. Upon reaching 55 KIAS I told him to initiate lift off, he did so, after momentary hesitation, and at approximately 5-10 ft AGL I reduced power to idle to simulate a rejected takeoff. The nose began coming down and we began descending to the runway, however, too quickly. I told him to bring in back pressure, he pitched up, but over corrected and the aircraft ballooned. I saw the airspeed was dropping quickly due to the excessive pitch up attitude; declared that I had the airplane and initiated recovery. I momentarily added a slight amount of power to soften the landing. I had decided to continue the aborted takeoff rather than initiate a go around due to the rapidly slowing airspeed while leaving ground effect. Also, I elected to continue the rollout onto the grass overrun rather than risk applying the brakes too hard, locking them and possibly start a skid to the side. I released the brakes upon reaching the grass so as to prevent the nose wheel from digging in and causing the propeller to strike any possible ruts. We rolled approximately 20 ft. I turned and taxied onto the ramp. No damage was found; no injuries occurred. Obviously, given the same situation, I would handle it differently. First of all, use a runway long enough to accommodate any incorrect recovery technique or surprises by the student, plus more than enough runway remaining for a complete landing with no flaps and no brakes. Also, I would initiate the abort sooner. Finally, if there was any question whatsoever that the maneuver couldn't be completed very comfortably, given any contingency, then not do it at that location.

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Original NASA ASRS Text

Title: INSTRUCTOR AND SPI RUN OFF END OF RWY PRACTICING ABORTED TKOF.

Narrative: WE WERE JUST CLRED FOR TKOF. HAVING BRIEFED THE STUDENT DURING PREFLT DISCUSSION ON THE OBJECTIVES FOR THE FLT, INCLUDING ABORTED TKOF, I INFORMED HIM THAT HE HAD THE ACFT BUT THAT I WOULD CTL THE THROTTLE. I APPLIED TKOF PWR AND THE STUDENT WAS TRACKING THE CTRLINE. UPON REACHING 55 KIAS I TOLD HIM TO INITIATE LIFT OFF, HE DID SO, AFTER MOMENTARY HESITATION, AND AT APPROX 5-10 FT AGL I REDUCED PWR TO IDLE TO SIMULATE A REJECTED TKOF. THE NOSE BEGAN COMING DOWN AND WE BEGAN DSNDING TO THE RWY, HOWEVER, TOO QUICKLY. I TOLD HIM TO BRING IN BACK PRESSURE, HE PITCHED UP, BUT OVER CORRECTED AND THE ACFT BALLOONED. I SAW THE AIRSPD WAS DROPPING QUICKLY DUE TO THE EXCESSIVE PITCH UP ATTITUDE; DECLARED THAT I HAD THE AIRPLANE AND INITIATED RECOVERY. I MOMENTARILY ADDED A SLIGHT AMOUNT OF PWR TO SOFTEN THE LNDG. I HAD DECIDED TO CONTINUE THE ABORTED TKOF RATHER THAN INITIATE A GAR DUE TO THE RAPIDLY SLOWING AIRSPD WHILE LEAVING GND EFFECT. ALSO, I ELECTED TO CONTINUE THE ROLLOUT ONTO THE GRASS OVERRUN RATHER THAN RISK APPLYING THE BRAKES TOO HARD, LOCKING THEM AND POSSIBLY START A SKID TO THE SIDE. I RELEASED THE BRAKES UPON REACHING THE GRASS SO AS TO PREVENT THE NOSE WHEEL FROM DIGGING IN AND CAUSING THE PROP TO STRIKE ANY POSSIBLE RUTS. WE ROLLED APPROX 20 FT. I TURNED AND TAXIED ONTO THE RAMP. NO DAMAGE WAS FOUND; NO INJURIES OCCURRED. OBVIOUSLY, GIVEN THE SAME SITUATION, I WOULD HANDLE IT DIFFERENTLY. FIRST OF ALL, USE A RWY LONG ENOUGH TO ACCOMMODATE ANY INCORRECT RECOVERY TECHNIQUE OR SURPRISES BY THE STUDENT, PLUS MORE THAN ENOUGH RWY REMAINING FOR A COMPLETE LNDG WITH NO FLAPS AND NO BRAKES. ALSO, I WOULD INITIATE THE ABORT SOONER. FINALLY, IF THERE WAS ANY QUESTION WHATSOEVER THAT THE MANEUVER COULDN'T BE COMPLETED VERY COMFORTABLY, GIVEN ANY CONTINGENCY, THEN NOT DO IT AT THAT LOCATION.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.