Rangeley Lake, ME, USA
N1920Q
Cessna A185
The pilot reported that, while departing from a lake, the float-equipped airplane was not "gaining airspeed as usual" and that the takeoff run was taking "longer." Before attempting to abort the takeoff, the left float lifted off the water, followed by the right float. While in ground effect, the floatplane started to roll right. The pilot corrected with full left aileron, but the floatplane continued to roll right. He then reduced power and applied 40º of flaps, but the floatplane continued to roll right, so he increased the throttle to full, and the right wing impacted the water. The airplane sustained substantial damage to the right wing. The pilot reported that the floatplane impacted rocks while he was back taxiing to the dock after a previous flight but that he did not realize the floats had been damaged. Before the accident flight, he conducted a preflight inspection and did not find any residual water in the floats, but he did not examine the bottom of the floats because they were submerged in water. Photographs showed that the right float's keel was damaged.
The pilot of the amphibious-float equipped airplane reported that, while departing from a lake, the floatplane was not "gaining airspeed as usual" and that the takeoff run was taking "longer." Prior to aborting the takeoff, the left float lifted off the water, followed shortly by the right float. While in ground effect, the floatplane started to roll to the right. He corrected with full left aileron, but the floatplane continued to roll to the right. He then reduced power and applied 40º of flaps and still the floatplane rolled right so he increased the throttle to full and the right wing impacted the water. The airplane sustained substantial damage to the right wing. Two witnesses reported that, about one hour prior to the accident flight, the same floatplane controlled by the same pilot, water taxied over rocks near the floatplane deck. The pilot added that the lake was 2 to 3 feet lower than normal and while water taxiing back to the floatplane deck, he saw the rocks but did not realize it caused any damage to the floats. After the flight, he did not find any residual water in the floats but did not examine the rest of the floats because it was under water.
The pilot's inadequate preflight inspection of the floats, which led to his subsequent attempt to depart from a lake with damaged floats and led to a loss of roll control and the right wing impacting the water.
Source: NTSB Aviation Accident Database
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