Narrative:

On aug/xx/95 at XA30 EDT during touch and go operations at kissimmee airport I noted a deficiency on airspeed indication on takeoff ground roll just after full power appliance following a normal landing on runway 06. A summary of airspeed deficiency (80 mph steady), a lack of acceleration feeling and an apparent insufficient response of the elevator control, double crossed with an apparent normal indication of engine instruments, made me decide to abort the takeoff. Due to the single brake control, present on the student side (left seat), I gave instruction to keep straight direction control with proper braking sequence in order to maintain the control of the airplane on the wet runway. Meanwhile, I retarded both throttles and feathered both engines. When the airplane reached the grass, we forced it to turn to the left on the attempt to avoid the ditch beyond the runway, and the flaps were lowered at this time, trying to increase the aerodynamic brake. The left gear collapsed causing the left propeller to strike the ground. At this time the right propeller was already stopped and the aircraft kept sliding on the right wing causing the right gear retraction. The visual estimate of the damage is given by both main gears collapsing and left propeller strike. A complete estimate of the damage will be possible only after the airplane removal from the incident site. Both the instructor and the student were able to leave the airplane from the main exit without injuries. The WX reported in kissimmee by AWOS-3 system at the time of the incident was: no clouds below 12000 ft, visibility 7 mi, temperature 77 degrees, dew point 74 degrees, wind 050 degrees at 6 KTS, altimeter setting 29.95.

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Original NASA ASRS Text

Title: RWY EXCURSION AFTER LACK OF ACCELERATION DURING TKOF CREATES THE NEED FOR ABORT.

Narrative: ON AUG/XX/95 AT XA30 EDT DURING TOUCH AND GO OPS AT KISSIMMEE ARPT I NOTED A DEFICIENCY ON AIRSPD INDICATION ON TKOF GND ROLL JUST AFTER FULL PWR APPLIANCE FOLLOWING A NORMAL LNDG ON RWY 06. A SUMMARY OF AIRSPD DEFICIENCY (80 MPH STEADY), A LACK OF ACCELERATION FEELING AND AN APPARENT INSUFFICIENT RESPONSE OF THE ELEVATOR CTL, DOUBLE CROSSED WITH AN APPARENT NORMAL INDICATION OF ENG INSTS, MADE ME DECIDE TO ABORT THE TKOF. DUE TO THE SINGLE BRAKE CTL, PRESENT ON THE STUDENT SIDE (L SEAT), I GAVE INSTRUCTION TO KEEP STRAIGHT DIRECTION CTL WITH PROPER BRAKING SEQUENCE IN ORDER TO MAINTAIN THE CTL OF THE AIRPLANE ON THE WET RWY. MEANWHILE, I RETARDED BOTH THROTTLES AND FEATHERED BOTH ENGS. WHEN THE AIRPLANE REACHED THE GRASS, WE FORCED IT TO TURN TO THE L ON THE ATTEMPT TO AVOID THE DITCH BEYOND THE RWY, AND THE FLAPS WERE LOWERED AT THIS TIME, TRYING TO INCREASE THE AERODYNAMIC BRAKE. THE L GEAR COLLAPSED CAUSING THE L PROP TO STRIKE THE GND. AT THIS TIME THE R PROP WAS ALREADY STOPPED AND THE ACFT KEPT SLIDING ON THE R WING CAUSING THE R GEAR RETRACTION. THE VISUAL ESTIMATE OF THE DAMAGE IS GIVEN BY BOTH MAIN GEARS COLLAPSING AND L PROP STRIKE. A COMPLETE ESTIMATE OF THE DAMAGE WILL BE POSSIBLE ONLY AFTER THE AIRPLANE REMOVAL FROM THE INCIDENT SITE. BOTH THE INSTRUCTOR AND THE STUDENT WERE ABLE TO LEAVE THE AIRPLANE FROM THE MAIN EXIT WITHOUT INJURIES. THE WX RPTED IN KISSIMMEE BY AWOS-3 SYS AT THE TIME OF THE INCIDENT WAS: NO CLOUDS BELOW 12000 FT, VISIBILITY 7 MI, TEMPERATURE 77 DEGS, DEW POINT 74 DEGS, WIND 050 DEGS AT 6 KTS, ALTIMETER SETTING 29.95.

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.