Event NYC90IA050

1990-01-18 PHILADELPHIA, Pennsylvania, United States Airport · PHL None 1 aircraft Status: Completed

Aircraft involved

N405EA McDonnell Douglas DC-9-51 None

Probable cause & findings

THE FLIGHT CREW OF EAL121 TAKING OFF ON A TAXIWAY. CONTRIBUTING WAS FAILURE OF THE FLIGHT CREW OF EAL 121 TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT DURING TAXI AND TAKEOFF.

Factual narrative

THE DC 9 WAS OBSERVED TO TAKEOFF ON A TAXIWAY BY PERSONNEL IN THE CONTROL TOWER. THE TAKEOFF WAS CORROBORATED BY RADAR DATA FROM THE AIRPORT AND A READOUT OF THE FLIGHT DATA RECORDER. THE TAKEOFF OCCURRED JUST PRIOR TO THE START OF CIVIL TWILIGHT IN THE MORNING. THE RUNWAY HAS WHITE CENTERLINE MARKINGS, WHITE EDGE LIGHTING, AND WHITE MARKINGS. THE TAXIWAY HAD YELLOW MARKINGS AND GREEN CENTERLINE LIGHTING. THE CAPTAIN SAID HE REMEMBERED WHITE CENTERLINE LIGHTING. THE COPILOT SAID HE SAW THE CENTERLINE LIGHTS AND BELIEVED THEY WERE WHITE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_NYC90IA050.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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