NTSB Identification: NYC97FA030.
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Accident occurred Monday, December 16, 1996 in BOHEMIA, NY
Probable Cause Approval Date: 02/02/1998
Aircraft: Cessna 425, registration: N425EW
Injuries: 3 Fatal.
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.
The pilot had received clearance for the ILS Runway 6 approach and was advised that the previous landing traffic reported '...breaking out at minimums.' Radar data revealed that the airplane descended in instrument meteorological conditions to the decision height altitude of 294 feet, approximately 3 miles from the missed approach point. The pilot did not perform the missed approach procedure. The airplane leveled off and continued at or below decision height altitude for approximately 28 seconds, traveling a distance of approximately 1 mile. Four low altitude alerts appeared on the tower controller's display. The controller stated he withheld the alert because '...it was a critical phase of flight and the aircraft appeared to be climbing...' The airplane collided with trees and terrain approximately 1.5 miles from the approach end of the landing runway.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: the pilot's early descent to decision height and his failure to perform the missed approach procedure. A factor was the failure of air traffic control to issue a safety advisory. Full narrative available
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