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Atlas / NTSB / FTW92LA117

NTSB CAROL · Event

Event FTW92LA117

1992-04-22 AUSTIN, Texas, United States Airport · AUS None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

THE APPROACH CONTROLLER'S FAILURE TO PROPERLY SEQUENCE ARRIVING TRAFFIC, AND THE TOWER CONTROLLER'S FAILURE TO SEQUENCE AND SEPARATE LANDING TRAFFIC. FACTORS IN THE ACCIDENT WERE: THE PILOT'S FAILURE TO OBTAIN A LANDING CLEARANCE AND THE NIGHT LIGHT CONDITIONS.

Factual narrative

THE FLT HAD BEEN VECTORED FOR RUNWAY 13R BY APPROACH CONTROL FROM THE POINT OF INITIAL CONTACT. IT WAS THEN HANDED OFF TO TOWER; THERE WAS NO VERBAL COORDINATION BETWEEN APPROACH & TOWER. A MILITARY TRANSPORT HELICOPTER EXECUTED AN APPROACH TO THE SAME RUNWAY AHEAD OF THE ACCIDENT AIRPLANE, AND TERMINATED AT ABOUT A 300-FT HOVER OVER THE RUNWAY. THE PILOT OF THE ACCIDENT AIRPLANE REQUESTED VECTORS FOR SEPARATION; TOWER RESPONDED SEPARATION '...SHOULD BE JUST FINE....' SHORTLY THEREAFTER, WHILE THE AIRPLANE WAS OVER THE THRESHOLD OF RUNWAY 13R, THE PILOT REQUESTED CONFIRMATION THAT SHE WAS SUPPOSED TO BE BEHIND THE HELICOPTER. THE TOWER RESPONDED '...YOU WERE CLEARED TO LAND ON THE LEFT RUNWAY.' THE PILOT RESPONDED 'OKAY UNDERSTAND WE WERE ONE THREE RIGHT.' AS THE AIRPLANE WAS FLARING, IT ENCOUNTERED VORTEX TURBULENCE FROM THE HELICOPTER AND CONTROL WAS LOST. THE TOWER NEVER ISSUED THE ACCIDENT AIRPLANE A LANDING CLEARANCE TO EITHER RUNWAY, NOR WAS A CLEARANCE TO LAND REQUESTED BY THE PILOT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1992_FTW92LA117.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (turbulence). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗