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October 18, 2002 · Wondrasek Rans S-10 Sakota · N228DW

Missouri Valley, IA

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
October 18, 2002
Injury Outcomes
1 injury (1 fatality)
Location
Missouri Valley, IA
Aircraft
Wondrasek Rans S-10 Sakota
Tail Number
N228DW
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
CHI03LA013

The airplane, piloted by a student pilot, was destroyed on impact with terrain following a loss of control while attempting an aborted landing. A witness stated that he saw the airplane approaching to land but did not observe the landing. He stated that he saw the airplane climb out at a very steep angle. He said the airplane appeared to stall when it was at an altitude of about 300 feet above the ground. He said that, when the airplane stalled, the right wing dropped and the airplane entered a vertical dive. The airplane subsequently impacted the ground. Another witness said that he saw the airplane approaching the runway from the south. He said that the airplane was, "coming in fast and steep," and that the airplane hit the runway at a steep angle. The airplane had not been issued an airworthiness certificate or amateur built operating limitations by the Federal Aviation Administration. An examination of the wreckage revealed no preexisting anomalies.

NTSB Probable Cause

The pilot's failure to maintain control and adequate airspeed, resulting in the inadvertent stall/spin. A factor was the low altitude.

Full Narrative

HISTORY OF FLIGHT On October 18, 2002, about 1540 central daylight time, an amateur-built Wondrasek Rans S-10 Sakota, N228DW, piloted by a student pilot, was destroyed on impact with terrain following a loss of control while attempting an aborted landing. The landing was being made on runway 34 (2,400 feet by 25 feet, asphalt) at the Missouri Valley Airport, Missouri Valley, Iowa. The 14 CFR Part 91 personal flight was operating in visual meteorological conditions without a flight plan. The pilot, who was the sole occupant, was fatally injured. The local flight originated at an undetermined time. A witness stated that he saw the airplane approaching to land but did not observe the landing. He stated that he saw the airplane climb out at a very steep angle. He said the airplane appeared to stall when it was at an altitude of about 300 feet above the ground. The witness said that, when the airplane stalled, the right wing dropped and the airplane entered a vertical dive. The airplane subsequently impacted the ground. Another witness said that he saw the airplane approaching the runway from the south. He said that the airplane was, "coming in fast and steep," and that the airplane hit the runway at a steep angle. He said that he did not see anything else. PERSONNEL INFORMATION The pilot held a student pilot certificate issued on March 17, 1997. The pilot also held a third class medical certificate issued on October 16, 2001. No limitations were listed on the medical certificate. The pilot reported having 150 total flight hours as of the date of the medical certificate. No pilot flight records were recovered. AIRCRAFT INFORMATION The airplane was a kit-built Rans, S-10. The Rans S-10 is a mid-wing monoplane with a tailwheel type landing gear. The fuselage is a fabric covered steel tube structure. The wing is fabric covered aluminum. The airplane was powered by a Rotax model 582 engine, rated at 65 horsepower. The airplane was registered with the Federal Aviation Administration (FAA), however, it did not have registration markings painted on the airplane. According to the FAA, the airplane had not been issued an airworthiness certificate or amateur built operating limitations. METEOROLOGICAL INFORMATION A weather reporting station located about 15 nautical miles south of the accident site recorded the weather at 1552 as: Sky condition -- clear; Visibility -- 10 statute miles; Wind -- 010 degrees at 10 knots; Temperature -- 20 degrees Celsius; Dewpoint -- 4 degrees Celsius. WRECKAGE AND IMPACT INFORMATION A postaccident examination of the wreckage was conducted on October 19, 2002, by a representative of the FAA. The airplane came to rest about 270 feet east of the north end of runway 34. The airplane did not travel forward of the initial impact point. The nose section of the airplane was damaged, the landing gear was collapsed, and the right wing leading edge was damaged. The flight control system was examined, Aileron and rudder continuity was confirmed. The elevator control tube was broken at the base of the control stick. The break was consistent with an overstress fracture. No other anomalies were found with respect to the airframe. The engine was examined and compression was verified on both cylinders. The cylinder head was removed and the cylinders inspected for condition. No anomalies were found. The fuel system was examined and no anomalies were found. MEDICAL AND PATHOLOGICAL INFORMATION An autopsy was performed on the pilot on October 19, 2002. A Final Forensic Fatal Toxicology Report listed negative results for all tests performed.

Flight

Event TypeAccident
Event Time15:40 CDT
Nearest AirportMissouri Valley (0nm N)
Runway34
Runway Length2400 ft
Runway Width25 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftWondrasek Rans S-10 Sakota
Tail NumberN228DW
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsRotax · 582 · Reciprocating · 65
Seats2

People & Injuries

Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 49 · Third Class · Fatal

Conditions

ConditionsVMC
LightDaylight
Wind10° @ 10 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point68 F / 39 C
Altimeter29.77 inHg
Observation Time20:52
Weather SourceWFAC

Appendix: Source Data