Aviation Accident Summaries

Aviation Accident Summary ATL89FA189

ATLANTA, GA, USA

Aircraft #1

N5509K

CONVAIR 640 (340D)

Analysis

DURING THE DESCENT TO THE OUTER MARKER FOR A VISUAL APPROACH WITH AN ILS BACKUP TO RUNWAY 26R, THE PILOT IN COMMAND DID NOT DESCEND TO A POINT WHERE A STABILIZED APPROACH TO LANDING COULD BE COMPLETED. THE AIRPLANE REPORTEDLY CROSSED THE OUTER MARKER WITH A FULL SCALE FLY DOWN DEFLECTION ON THE ILS GLIDE SLOPE INDICATOR. THE PILOT REPORTED THAT HE ATTAINED THE GLIDE SLOPE FROM ABOVE WHEN HE WAS ABOUT ONE MILE FROM THE THRESHOLD. THE AIRPLANE WAS FLARED FOR LANDING AT AN EXCESSIVE ALTITUDE AND TOUCHDOWN WAS NOT MADE UNTIL AT LEAST 1,500 FEET DOWN THE RUNWAY. THE AIRPLANE TOUCHED DOWN HARD, BOUNCED AND ON THE SECOND TOUCHDOWN MADE RUNWAY CONTACT WITH ALL THREE GEARS OR POSSIBLY SLIGHTLY NOSE GEAR FIRST. THE NOSE GEAR DRAG LINK FRACTURED, THE NOSE GEAR COLLAPSED AND THE AIRPLANE CAME TO A STOP ON ITS MAIN GEAR AND THE FUSELAGE NOSE.

Probable Cause and Findings

PILOT IN COMMAND FAILED TO PLACE THE AIRPLANE AT A POSITION FROM WHICH A STABILIZED APPROACH TO LANDING COULD BE MADE. HIS PROCEDURE FOR THE RECOVERY FROM THE BOUNCED LANDING WAS INADEQUATE AND THE NOSE GEAR STRUCTURAL STRENGTH WAS EXCEEDED DURING FOLLOWING TOUCHDOWNS.

 

Source: NTSB Aviation Accident Database

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