ANCHORAGE, AK, USA
N733RW
CESSNA 172N
THE STUDENT PILOT WAS CONDUCTING TOUCH AND GO LANDINGS TO A RUNWAY THAT HAD RECENTLY BEEN CLEARED OF SNOW. THE SNOW REMOVAL OPERATIONS CREATED 3 TO 4 FOOT HIGH SNOWBERMS ALONG THE RUNWAY EDGES THAT REDUCED THE RUNWAY WIDTH ABOUT 25 PERCENT. FOLLOWING A LANDING, THE PILOT ADDED POWER TO TAKEOFF AND THE AIRPLANE BEGAN TO DRIFT TO THE LEFT. THE PILOT ADDED RIGHT RUDDER INPUT; HOWEVER, THE AIRPLANE CONTINUED TO DRIFT TO THE LEFT. THE LEFT MAIN GEAR BEGAN CONTACTING THE SNOWBERM ALONG THE LEFT EDGE OF THE RUNWAY AND THE PILOT DECIDED TO ABORT THE TAKEOFF. THE AIRPLANE PIVOTED TO THE LEFT INTO THE SNOWBERM AND NOSED DOWN. THE PILOT HAD ACCRUED 51 HOURS OF TOTAL TIME WITH 15 HOURS IN THE ACCIDENT AIRCRAFT MAKE AND MODEL.
On March 20, 1995, at 1336 Alaska standard time, a wheel equipped Cessna 172N, N733RW, collided with terrain at Merrill Field, Anchorage, Alaska. The airplane was being operated as a visual flight rules (VFR) local area instructional flight when the accident occurred. The airplane, operated by Far North Aviation, Anchorage, received substantial damage. The pilot, holder of a student pilot certificate and the sole occupant, was not injured. Visual meteorological conditions prevailed. The flight originated at Merrill Field about 1200. The pilot reported that he was landing on runway 33 and was planning to perform touch and go landings. After touchdown, the pilot added engine power and the airplane began to drift to the left. He added right rudder input; however, the airplane continued to drift to the left. The airplane's left main landing gear contacted a 3 to 4 foot high snow berm located along the left edge of the runway, about 10 feet inside the runway lights. The pilot decided to abort the takeoff and cut the engine power and attempted to stop. The airplane pivoted to the left into the snowberm and nosed down. The pilot reported that his total aeronautical experience consisted of 51.5 hours of flight time. He had accrued 14.6 hours in the accident aircraft make and model. A Federal Aviation Administration (FAA) airworthiness inspector of the Anchorage Flight Standards District Office (FSDO), inspected the airplane on March 30, 1995. He reported that wing repairs included replacement of wing ribs and splicing of the wing spar. The FAA reported that the runway had patchy areas of snow and ice with several bare spots. Recent snow removal operations had created the snowberms, reducing the runway width about 25 percent.
THE PILOT'S FAILURE TO CORRECT FOR TORQUE/P FACTOR. THE PRESENCE OF SNOWBERMS THAT NARROWED THE WIDTH OF THE RUNWAY AND THE PILOT'S LACK OF TOTAL EXPERIENCE WERE FACTORS IN THE ACCIDENT.
Source: NTSB Aviation Accident Database
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