Incident · 1991-12-23

NTSB case CHI92IA061 · MCDONNELL DOUGLAS DC-10-30 · Part 121

What the record says

Event date: 1991-12-23
Event type: Incident
Highest injury level: No injuries
Aircraft: MCDONNELL DOUGLAS DC-10-30 (N142AA)
Operating rule: Part 121
Operator: AMERICAN AIRLINES, INC. Operator named in NTSB report
Operated by (per NTSB report): AMERICAN AIRLINES

Probable cause

THE LOCAL CONTROLLER'S NOT UNDERSTANDING READ BACK OF RADIO COMMUNICATIONS. FACTORS INCLUDE THE PILOT-IN-COMMAND OF FLIGHT 73 NOT UNDERSTANDING VERBAL INSTRUCTIONS; LOCAL CONTROLLER NOT VISUALLY IDENTIFYING THE AIRCRAFT; AND INADEQUATE SURVEILLANCE (FAA) IN THE TOWER.

Source: NTSB case CHI92IA061

Flight crew

Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

All incidents →