Vliegtuigongeval op 15 DEC 1993 met IAI 1124A Westwind II N309CK - Santa Ana-John Wayne International Airport, CA (SNA)
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Status:Accident investigation report completed and information captured
Datum:woensdag 15 december 1993
Tijd:17:33
Type:Silhouette image of generic WW24 model; specific model in this crash may look slightly different
IAI 1124A Westwind II
Luchtvaartmaatschappij:Martin Aviation
Registratie: N309CK
Constructienummer: 350
Bouwjaar: 1981
Aantal vlieguren:3027
Motoren: 2 Garrett TFE731-3-1G
Bemanning:slachtoffers: 2 / inzittenden: 2
Passagiers:slachtoffers: 3 / inzittenden: 3
Totaal:slachtoffers: 5 / inzittenden: 5
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:6,5 km (4.1 mijl) N of Santa Ana-John Wayne International Airport, CA (SNA) (   Verenigde Staten)
Fase: Nadering (APR)
Soort vlucht:Zaken
Vliegveld van vertrek:La Verne-Brackett Field, CA (POC/KPOC), Verenigde Staten
Vliegveld van aankomst:Santa Ana-John Wayne International Airport, CA (SNA/KSNA), Verenigde Staten
Beschrijving:
In-flight loss of control, rolled into a steep descent and crashed while on the final approach course for runway 19R. Wake turbulence from preceding Boeing 757 (United Airlines flight 103). The crew lacked specific wake turbulence training.

Probable Cause:

PROBABLE CAUSE: "The pilot-in-command's failure to maintain adequate separation behind the Boeing 757 and/or remain above its flight path during the approach, which resulted in an encounter with wake vortices from the 757. Factors related to the accident were: an inadequacy in the ATC procedure related to visual approaches and VFR operations behind heavier airplanes, and the resultant lack of information to the westwind pilots for them to determine the relative flight path of their airplane with respect to the Boeing 757's flight path."

Accident investigation:

cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 295 days (10 months)
Accident number: LAX94FA073
Download report: Summary report

Bronnen:
» SKYbrary 
» NTSB


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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 La Verne-Brackett Field, CA en Santa Ana-John Wayne International Airport, CA bedraagt 47 km (29 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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IAI 1124

  • 442 built
  • 8e ongeval
  • 3e dodelijk ongeval
  • 2e zwaarste ongeval (toen het plaatsvond)
  • 5e zwaarste ongeval (op dit moment)
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