NTSB Identification: CHI99FA341.
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Accident occurred Thursday, September 16, 1999 in PLATTSBURG, MO
Probable Cause Approval Date: 11/30/2000
Aircraft: Cessna 172H, registration: N1406F
Injuries: 3 Fatal,1 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

Two witnesses at the Plattsburg Air Park saw the airplane taxi to the end of runway 18 and perform an engine run-up. The witnesses said that during the takeoff roll the airplane had good acceleration and sounded good. One witness said that the airplane looked as if 10 degrees of flaps were extended. Neither witness saw the airplane lift off. The two witnesses took off from Plattsburg Airport approximately 20 minutes after they saw N1406F on its takeoff roll. They flew to Cameron, Missouri, and back to Plattsburg. They estimated that the flight took 45 minutes. On approach from the south into the Plattsburg Air Park, the witnesses saw the airplane in a low-lying area, 1/4 mile south of the runway. Examination of the airplane revealed no anomalies. An examination of the airplane's instrument panel revealed the engine primer unlocked and extended approximately 1/4 inch. Examination of the engine and remaining airplane systems revealed no anomalies.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

the pilot's failure to maintain airspeed during the initial climb. A factor relating to this accident was the inadvertent stall/spin.

Full narrative available

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