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N402BP accident description

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Crash location 45.449166°N, 98.421945°W
Reported location is a long distance from the NTSB's reported nearest city. This often means that the location has a typo, or is incorrect.
Nearest city Aberdeen, SD
45.459699°N, 98.505927°W
4.1 miles away

Tail number N402BP
Accident date 10 Mar 2009
Aircraft type Cessna 402B
Additional details: None

NTSB description

On March 10, 2009, at 0740 central daylight time (cdt), a Cessna 402B, N402BP, piloted by a commercial pilot, was substantially damaged during a hard landing on runway 31 (6,901 feet by 100 feet, concrete) at the Aberdeen Regional Airport (KABR), Aberdeen, South Dakota. Instrument meteorological conditions prevailed at the time of the accident. The cargo flight was operating under the provisions of 14 Code of Federal Regulations (CFR) Part 135 on an instrument flight rules (IFR) flight plan. The pilot was not injured. The flight departed from Joe Foss Field Airport (KFSD), Sioux Falls, South Dakota, at 0639 cdt.

According to the pilot, the airplane encountered moderate icing conditions during initial climb to 8,000 feet mean sea level (msl). The pilot requested and was subsequently cleared to climb to 12,000 feet msl due to the persistent icing conditions at 8,000 feet msl. The deice boots, pitot tube heat, stall vein heat, propeller deice, and windshield hot plate were used throughout the flight. The pilot stated that the wing deice boots functioned normally during the climb to cruise altitude. While at 12,000 feet msl, the airplane remained above the cloud tops and it did not accrue any additional ice while it remained at that altitude for about 20 minutes.

The pilot noted that the unprotected areas of the wings and windshield were still contaminated with ice when he initiated his descent into KABR. The unprotected areas of the airplane continued to accrue ice while being vectored to join the Instrument Landing System (ILS) approach to runway 31. The pilot cycled the deice boots several times during the descent and instrument approach. The pilot reported seeing the runway approach lights about 3/4 mile from the runway threshold. The runway was partially obscured by blowing snow due to a strong crosswind. The pilot noted that he had difficulty aligning the airplane with the runway because the windshield was totally obscured by ice, besides the narrow section protected by the hot plate. The airplane was at 120 knots indicated airspeed (KIAS) as it crossed over the runway threshold. The pilot stated that immediately prior to touchdown he had the sensation of a high sink rate, which was followed by the hard landing.

After the flight, the pilot noted there was 1 to 1-1/2 inch of ice accumulation on the unprotected areas of the airplane. The protected areas of the wing, tail, windshield, and propeller blades were free of any appreciable ice contamination. The right wing primary structure, including the main wing spar and engine nacelle assembly, was substantially damaged during the hard landing.

The destination airport was equipped with an automated surface observing system (ASOS). At 0746 cdt, the KABR ASOS reported: Wind 360 degrees true at 22 knots, gusting to 30 knots; visibility 1 mile with light snow and mist; few clouds at 600 feet above ground level (agl), broken ceiling at 1,400 feet agl, and overcast ceiling at 2,300 feet agl; temperature -16 degrees Celsius; dew point -18 degrees Celsius; altimeter setting 30.08 inches of mercury. The reported that a peak wind from 010 degrees true at 30 knots was recorded at 0737 cdt.

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