Descripción del Accidente ASN 10 AUG 1968 Fairchild FH-227B N712U - Charleston-Kanawha County Airport, WV (CRW)

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Estado:	Accident investigation report completed and information captured
Fecha:	s�bado 10 agosto 1968
Hora:	08:57
Tipo:	Fairchild FH-227B
Operador:	Piedmont Airlines
Registración:	N712U
Numéro de série:	557
Año de Construcción:	1967
Horas Totales de la Célula:	2197
Motores:	2 Rolls-Royce Dart 532-7
Tripulación:	Fatalidades: 3 / Ocupantes: 3
Pasajeros:	Fatalidades: 32 / Ocupantes: 34
Total:	Fatalidades: 35 / Ocupantes: 37
Daños en la Aeronave:	Destruido
Consecuencias:	Written off (damaged beyond repair)
Ubicación:	Charleston-Kanawha County Airport, WV (CRW) ( Estados Unidos de América)
Fase:	Aproximación (APR)
Naturaleza:	Vuelo Doméstico Programado
Aeropuerto de Salida:	Cincinnati/Northern Kentucky Airport, KY (CVG/KCVG), Estados Unidos de América
Aeropuerto de Llegada:	Charleston-Kanawha County Airport, WV (CRW/KCRW), Estados Unidos de América
Número de Vuelo:	230

Descripción:
Piedmont flight 230 was on an ILS localizer approach to Charleston-Kanawha County Airport (CRW) runway 23 when it struck trees 360 feet from the runway threshold. The aircraft continued and struck up sloping terrain (+30deg) 250 feet short in a 4-5deg nose down attitude, slightly left wing down. The Fairchild continued up the hill and on to the airport, coming to rest 6 feet beyond the threshold and 50 feet from the right edge of the runway.
A layer of dense fog (about 150 feet thick) was obscuring the threshold and about half of the approach lights. Visual conditions existed outside the fog area.

Probable Cause:

PROBABLE CAUSE: "An unrecognized loss of altitude orientation during the final portion of an approach into shallow, dense fog. The disorientation was caused by a rapid reduction in the ground guidance segment available to the pilot at a point beyond which a go-around could not be successfully effected."

Accident investigation:

Investigating agency:	NTSB
Status:	Investigation completed
Duration:	1 year
Accident number:	NTSB/AAR-69-06
Download report:	Final report

Fuentes:

» ICAO Circular 107-AN/81 (p.283-302)

Subsiguiente / acciones de seguridad

Six safety recommendations were issued as a result of this accident. The recommendations a.o. focused on the dangers of shallow fog penetration.

Fotos

accident date: 10-08-1968
type: Fairchild FH-227B
registration: N712U

Map

This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Cincinnati/Northern Kentucky Airport, KY to Charleston-Kanawha County Airport, WV as the crow flies is 275 km (172 miles).
Accident location: Exact; deduced from official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.

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