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Last updated: 19 October 2021
Status:Definitief
Datum:donderdag 21 oktober 1971
Tijd:12:20
Type:Silhouette image of generic B18T model; specific model in this crash may look slightly different
ATECO Westwind II
Luchtvaartmaatschappij:Chicago & Southern Airlines
Registratie: N51CS
Constructienummer: BA-211
Bouwjaar: 1956
Aantal vlieguren:7751
Motoren: 2 Pratt & Whitney Canada PT6A-27
Bemanning:slachtoffers: 2 / inzittenden: 2
Passagiers:slachtoffers: 14 / inzittenden: 14
Totaal:slachtoffers: 16 / inzittenden: 16
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:3,2 km (2 mijl) W of Peoria-Greater Peoria Airport, IL (PIA) (   Verenigde Staten)
Fase: Nadering (APR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Chicago-Merrill C Meigs Field, IL (CGX/KCGX), Verenigde Staten
Vliegveld van aankomst:Peoria-Greater Peoria Airport, IL (PIA/KPIA), Verenigde Staten
Vluchtnummer: 804
Beschrijving:
Chicago & Southern Airlines Flight 804 was destroyed in an accident near Peoria-Greater Peoria Airport, Illinois. All sixteen on board were killed.
The aircraft made initial contact with powerlines which cross the midpoint of the instrument final approach course, approximately 3,2 km west of runway 12 of the Greater Peoria Airport. The aircraft thereafter contacted the ground, bounced and slid into the base of a large hedgewood tree 152 feet from the point of initial wire contact. An intense fire ensued which almost completely destroyed the cockpit and cabin area of the fuselage.

The ATECO Westwind II airplane was a Beechcraft E18S that was converted with a 7 feet fuselage extension and fitted with tricycle landing gear and turboprop engines.

Probable Cause:

The Board determines that the probable cause of this accident was that the pilot knowingly descended below the Minimum Descent Altitude in an attempt to complete the approach by means of visual reference to ground objects. Because of minimal visibility and low clouds in the approach zone, the aircraft was operated at an altitude too low to provide clearance over the powerlines.

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 181 days (6 months)
Accident number: NTSB-AAR-72-15
Download report: Final report


Veiligheidsmaatregelen

NTSB issued 5 Safety Recommendations

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Foto's

photo of ATECO-Westwind-II-N51CS
 

Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Chicago-Merrill C Meigs Field, IL en Peoria-Greater Peoria Airport, IL bedraagt 218 km (136 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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ATECO Westwind II

  • built
  • The first ongeval
  • The first dodelijk ongeval
  • The zwaarste ongeval
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