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Last updated: 28 April 2017
Datum:maandag 9 februari 1998
Type:Silhouette image of generic B722 model; specific model in this crash may look slightly different
Boeing 727-223
Luchtvaartmaatschappij:American Airlines
Registratie: N845AA
Constructienummer: 20986/1125
Bouwjaar: 1975-05-06 (22 years 10 months)
Aantal vlieguren:59069
Motoren: 3 Pratt & Whitney JT8D-9A
Bemanning:slachtoffers: 0 / inzittenden: 6
Passagiers:slachtoffers: 0 / inzittenden: 115
Totaal:slachtoffers: 0 / inzittenden: 121
Schade: Groot
Gevolgen: Written off (damaged beyond repair)
Plaats:Chicago-O'Hare International Airport, IL (ORD) (   Verenigde Staten)
Fase: Nadering (APR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Kansas City International Airport, MO (MCI/KMCI), Verenigde Staten
Vliegveld van aankomst:Chicago-O'Hare International Airport, IL (ORD/KORD), Verenigde Staten
American Airlines Flight 1340 crashed short of the runway while on a coupled instrument landing system (ILS) category II approach to runway 14R at Chicago-O’Hare. The approach was normal until the airplane passed through 200 feet above ground level (agl), where the airplane started a pitch oscillation that grew in time. The airplane descended below the ILS glide slope, then climbed above it, and finally descended below it again, impacting the ground 300 feet short of the runway threshold. Upon impact, the airplane slid over the threshold and then off the right side of the runway, where it came to rest..
The weather at the time of the approach was ceiling overcast at 100 feet, 1/2-mile visibility in freezing fog, temperature and dew point were 28 degrees F. The runway 14R RVR was 1,400 feet variable 1800 feet.

Probable Cause:

PROBABLE CAUSE: "The failure of the flight crew to maintain a proper pitch attitude for a successful landing or go-around. Contributing to the accident were the divergent pitch oscillations of the airplane, which occurred during the final approach and were the result of an improper autopilot desensitization rate."



NTSB issued 7 Safety Recommendations

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photo of Boeing 727-223 N845AA
American Airlines B727-223 N845AA following the accident; Photo By Michael F. McLaughlin / MikePhotos Airliner Images
photo of Boeing 727-223 N845AA
photo of Boeing 727-223 N845AA
photo of Boeing 727-223 N845AA
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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 Kansas City International Airport, MO en Chicago-O'Hare International Airport, IL bedraagt 643 km (402 miles).

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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Boeing 727

  • 79e ongeval
  • 48e dodelijk ongeval
  • 1832 built
  • 49e zwaarste ongeval (toen het plaatsvond)
  • 61e zwaarste ongeval (op dit moment)
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