NTSB Identification: ATL83LA120.
The docket is stored on NTSB microfiche number 20326.
Accident occurred Thursday, February 24, 1983 in DAYTON, TN
Aircraft: CESSNA 421, registration: N123SM
Injuries: 1 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE CESSNA 421 COLLIDED WITH TREES DURING THE LANDING APPROACH WHILE ON A CORPORATE FLIGHT. THE WEATHER WAS IMC AT THE ACCIDENT SITE AND THE ACFT WAS ON AN IFR FLIGHT PLAN. THE ACFT WAS SUBSTANTIALLY DAMAGED BUT THE PILOT WAS NOT INJURED. THE ACFT CONTACTED TREES 5 MILES NORTH OF THE AIRPORT. THE ACCIDENT OCCURRED DURING AN RNAV APPROACH TO RUNWAY 21 AT MARK ANTON FIELD, DAYTON, TN. THE PILOT STATED THAT AT WHAT HE THOUGHT TO BE THE FINAL APPROACH FIX A DESCENT WAS BEGUN FROM 2300 FT TO 1520 FT. AT 2000 FT COLLISION WITH TREES OCCURRED, (ON THE 170 DEGREE RADIAL 12 NM FROM THE HINCH MOUNTAIN VOR). A MISSED APPROACH WAS EXECUTED AND THE ACFT WAS FLOWN TO KNOXVILLE. NO MALFUNCTIONS WERE FOUND IN THE RNAV SYSTEM. THE PILOT SAID HE COULD HAVE 'MISSED KEYING IN' THE APPROPRIATE WAYPOINT.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:IFR PROCEDURE..IMPROPER USE OF..PILOT IN COMMAND
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