CHI95FA114
CHI95FA114

HISTORY OF FLIGHT

On April 2, 1995, at 1208 central daylight time, a Maule M-5- 235C, N56349, operated by Robert W. Meyers, was destroyed when it impacted the terrain while landing at the Rush City Municipal Airport, Rush City, Minnesota. The private pilot sustained fatal injuries. The personal flight originated in St. Paul, Minnesota, and was conducted under 14 CFR Part 91 in visual meteorological conditions. No flight plan was filed.

A witness reported that she observed the accident airplane as it entered the traffic pattern at the Rush City Municipal Airport. She described the airplane bouncing and rolling and reported that it "wobbled" from side to side then descended abruptly toward the airport.

The airport manager estimated the winds were "from the southeast and gusting to about thirty knots" at the time of the accident.

PERSONNEL INFORMATION

The pilot was issued a private pilot certificate on October 7, 1994, seven months prior to the accident. At the time of application the pilot listed 64.7 total flight hours.

WRECKAGE AND IMPACT INFORMATION

The NTSB on-scene investigation began about 0900 on April 3, 1995. The wreckage was located approximately midfield, 75 yards west of runway 15. The wreckage path was located on a heading of 300 degrees. Two lateral slashes in the soil and windscreen fragments preceded the main impact crater. The crater was approximately twelve inches deep. Impressions of the wing leading edges extended north and south from the main crater. Fragments of a red navigation light were located on the north side of the crater. The main wreckage was located approximately 30 feet beyond the crater on a heading of 160 degrees.

The entire airplane, with the exception of the outer wings, was burned and charred. The leading edges of the wings were compressed at an angle corresponding to a pitch attitude of 135 degrees nose down. The fuselage tubing in the vicinity of the wing carry through exhibited fractured tubing and compression damage. The engine mount and forward fuselage were compressed in the downward direction. Inspection of the airframe, engine controls, and flight control continuity revealed no evidence of preimpact malfunction.

Both blades of the propeller exhibited rotational scoring, torsional bending, and leading edge damage. The tip of one blade was separated. The fragment was discovered in one of the slashes east of the impact crater.

The engine exhibited minor impact damage and burning. Compression was verified in all cylinders and continuity of the accessories was established. The distributer gear in the magneto was melted and the magneto could not be tested. The spark plugs exhibited normal wear. Examination of the carburetor revealed melting to the solder in the brass float and no evidence of malfunction.

MEDICAL AND PATHOLOGICAL INFORMATION

Autopsy of the pilot was conducted April 3, 1995, at the Regina Medical Center, 1175 Nininger Road, Hastings, Minnesota 55033. The results of FAA toxicological testing were negative for all tests conducted except for 0.021 (ug/ml, ug/g) Chlorpheniramine and 0.098 (ug/ml, ug/g) Diphenhydramine detected in the blood specimen. Chlorpheniramine and Diphenhydramine were detected in the urine specimen.

According to a NTSB National Resource Specialist, the therapeutic level for Diphenhydramine is approximately .100 (ug/ml, ug/g) and the therapeutic level for Chlorpheniramine is .016 to .070 (ug/ml, ug/g). Chlorpheniramine and Diphenhydramine are listed in the Physicians' Desk Reference as active ingredients in many nonprescription cold and allergy medications.

ADDITIONAL DATA/INFORMATION

Following the on-scene portion of the investigation, the wreckage was released to Mr. Howard Hanson, the manager of the Rush City Municipal Airport.

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