SAM TWIN SUFFERS ACFT DAMAGE DURING ABORTED TKOF AFTER BEING AIRBORNE AND PIC EXECUTING LNDG PROC OVERSHOT ROLLOUT. RWY EXCURSION.

Narrative

WHILE TAKING OFF AT SLC ARPT WITH STUDENT IN L SEAT; WE WENT THROUGH THE PROPER CHKLISTS AND ALL INST RUNUP CHKS WERE SATISFACTORY. WE WERE CLRED FOR TKOF. REACHED VMC PLUS 5 (85); ROTATED; CLBED TO 150 FT (AGL) WHEN THE R ENG BEGAN TO LOSE PWR THEN KICK BACK IN AGAIN. I DOUBLE- CHKED THE FUEL PUMPS WHICH WERE ON; THEN THOUGHT MY STUDENT WAS DOING SOMETHING. NEXT I WENT THROUGH A DENIAL PHASE; TELLING MYSELF THIS CANNOT BE HAPPENING; LOOKED OVER AT THE AIRSPD INDICATOR THAT WAS DROPPING BELOW VMC. CORRECTIVE ACTION WAS TO LOWER THE NOSE TO REGAIN AIRSPD; KEEP DIRECTIONAL CTL AND PROCEED WITH MIXTURE PREPARATION; THROTTLE; GEAR AND FLAPS IDENT; VERIFY. HOWEVER; MY MAIN CONCERN WAS LNDG THE AIRPLANE SAFELY; WHICH I DID. I THEN TOLD MY STUDENT TO GET ON THE BRAKES. HE WAS IN A DAZE AND IT TOOK SEVERAL TIMES OF REPEATING THIS BEFORE ANY BRAKES WERE APPLIED. WE HIT A COW DURING THE ROLLOUT THROUGH THE N FIELD; SLC ARPT PROPERTY AREA; HIT THE ARPT BOUNDARY FENCE; AND NOSED OVER INTO A DITCH. I OPTED NOT TO PUT GEAR UP BECAUSE I WAS FAMILIAR WITH THE SHAPE (CONDITIONS OF THE FIELD AHEAD). WE MAY HAVE CAME TO A STOP BEFORE THE FENCE IF BRAKES WERE APPLIED SOONER. THERE MIGHT HAVE BEEN QUICKER JUDGEMENT; HOWEVER. AT NIGHT AS GIVEN THE SIT; I ACTED THE BEST AS I COULD. I RECEIVED 11 STITCHES TO MY HEAD; MY STUDENT WALKED AWAY WITH NO INJURY. THE FLT WAS A FERRY FLT TO PROVO; UT.