28 Aug 2008: Boeing B744 — TRANSAERO AIRLINES

28 Aug 2008: Boeing B744 — TRANSAERO AIRLINES

No fatalities • Atlantic Ocean, United States

Probable cause

The San Juan CERAP controllers failure to ensure the two aircraft were properly separated using non-radar separation standards.

— NTSB Determination

Accident narrative

On August 28, 2008, at approximately 1837 Atlantic Standard Time, an operational error was reported when Russian Registered Transaero flight 554, a Boeing 744 and Delta Airlines flight 845, a Boeing 738, came within zero feet vertical and 1 minute lateral separation (15 minutes is required in non-radar environment) at FL330 179N San Juan, PR. Transaero 554 descended 200-300 feet due to a TCAS Resolution Alert.

Contributing factors

  • ATC personnel
  • ATC personnel
  • cause ATC personnel
  • ATC personnel
  • ATC personnel
  • cause ATC personnel

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