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N1913M accident description

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Tail numberN1913M
Accident dateMarch 08, 2009
Aircraft typeCessna 182P
LocationCarrollton, GA
Near 33.546111 N, -85.141111 W
Additional details: None

NTSB description

On March 8, 2009, about 0845 eastern daylight time, a Cessna 182P, N1913M, was destroyed when it impacted a lake in Carrollton, Georgia. The certificated private pilot and two passengers were fatally injured. Instrument meteorological conditions prevailed and no flight plan had been filed for the flight that departed Cobb County Airport (RYY), Kennesaw, Georgia, about 0805, destined for the Clayton County Airport (4A7), Hampton, Georgia. The personal flight was conducted under the provisions of 14 Code of Federal Regulations (CFR) Part 91.

The airplane was based at RYY. The pilot, his wife, and another passenger were en route to 4A7, and planned to attend a NASCAR auto race at the Atlanta Motor Speedway.

A witness near the accident site stated she heard a "whining high speed sound" followed by a "thud." She noticed water splashing up from the lake, into the air, which was followed by silence.

The airplane crashed into a private lake and was located at a depth of about 16 feet. It was recovered on March 8 and 9, 2009, and taken to a facility in Griffin, Georgia, for examination.

The airplane was heavily fragmented. The main wreckage consisted of the empennage, which was distorted and included about 22 inches of the main cabin floor, forward of the rear door post. Both wings spars were fragmented and wing skin fragments associated with both wing leading edges displayed aft crushing damage to the main spar. The cabin and cockpit areas were destroyed. Both wing struts were separated at their respective attach points and were not located.

All flight control surfaces were accounted for. Rudder and elevator flight control continuity was confirmed from their respective control surfaces to the forward cockpit area. Due to impact damage, aileron control continuity was only confirmed at their respective bellcranks. Measurement of the flap actuator jackscrew corresponded to a flap retracted position.

The propeller remained attached to the engine, which was separated from its mounts. The propeller blades were beyond their respective low-pitch stops and were bent aft. One propeller blade contained "s" bending and the second propeller blade contained a leading edge gouge about mid-span.

All engine accessories were separated from the engine except for the right magneto, propeller governor, and the vacuum pump. The carburetor was not located. All spark plugs were removed. Their electrodes were intact and contained gray deposits. The engine was rotated via the propeller flange. Valve train continuity was confirmed and thumb compression was attained on all cylinders; except for the No. 5 cylinder, which sustained impact damage. A lighted borescope examination of all cylinders did not reveal any preimpact malfunctions. It was noted that the No. 5 cylinder intake valve was displaced. Both magnetos contained impact damage and were rotated by hand. The right magneto sparked at all terminals simultaneously, and the left magneto did not produce a spark when rotated. Disassembly of both magnetos revealed water contamination; however, no preimpact failures were observed. Examination of the oil filter element did not reveal any evidence of metal contamination.

The vacuum pump drive coupling was intact and it could not be rotated by hand. Internal examination of the vacuum pump revealed that the vanes were intact and that the rotor block was cracked. After the interior components were removed, the vacuum pump drive shaft rotated freely.

Preliminary review of maintenance records revealed that the airplane had been operated for about 65 hours since its most recent annual inspection, which was performed on July 12, 2008.

The pilot reported 114 hours of total flight experience on his most recent application for a Federal Aviation Administration third-class medical certificate, which was issued on February 1, 2008. He did not possess an instrument rating.

A weather observation taken at the Newnan-Coweta County Airport (CCO), located about 26 miles southeast of the accident site, at 0900, reported wind from 280 degrees at 4 knots; visibility 1/4 statute mile, sky overcast at 300 feet; temperature 11 degrees Celsius (C), dew point 11 degrees C; altimeter 30.21 inches of mercury.

The witness near the accident site described the weather conditions at the time of the accident as "low cloud cover" with fog drifting across the surface of the lake, and "misty overcast." Another witness stated that conditions were "very foggy."

(c) 2009-2011 Lee C. Baker. For informational purposes only.