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NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

March 22, 1989 · Boeing 727-200A · N728

San Antonio, TX

Overview

Report Status

Probable Cause

Event Type

Incident

Date

March 22, 1989

Injury Outcomes

No injuries (261 uninjured)

Location

San Antonio, TX

Aircraft

Boeing 727-200A

Tail Number

N728

Operator

American Airlines

Injuries

None

NTSB Number

DEN89IA089

AMERICAN AIRLINE FLT 1269 & MEXICANA AIRLINE FLT 731 WERE CRUISING AT FL 290 ON SOUTHERLY HEADINGS. AFTER DEVIATING AROUND WEATHER, FLT 1269 WAS ON A SOUTH-SOUTHEASTERLY HEADING. SUBSEQUENTLY, THE TWO BOEING 727 AIRCRAFT CONVERGED TO ABOUT 1.06 MI FROM EACH OTHER, VIOLATING THE MINIMUM HORIZONTAL SEPARATION REQUIREMENT. THE OPERATIONAL ERROR OCCURRED WHEN THE ARTCC CONTROLLER WAS BUSY WITH HEAVY TRAFFIC.

NTSB Probable Cause

FAILURE OF THE ARTCC CONTROLLER TO ASSURE THAT THE AIRCRAFT MAINTAINED IFR SEPARATION STANDARDS. THE CONTROLLER'S HEAVY WORKLOAD WAS A RELATED FACTOR.

Full Narrative

AMERICAN AIRLINE FLT 1269 & MEXICANA AIRLINE FLT 731 WERE CRUISING AT FL 290 ON SOUTHERLY HEADINGS. AFTER DEVIATING AROUND WEATHER, FLT 1269 WAS ON A SOUTH-SOUTHEASTERLY HEADING. SUBSEQUENTLY, THE TWO BOEING 727 AIRCRAFT CONVERGED TO ABOUT 1.06 MI FROM EACH OTHER, VIOLATING THE MINIMUM HORIZONTAL SEPARATION REQUIREMENT. THE OPERATIONAL ERROR OCCURRED WHEN THE ARTCC CONTROLLER WAS BUSY WITH HEAVY TRAFFIC.

Flight

Event TypeIncident

Event Time18:29 CST

Nearest Airport0nm N

Runway0

Flight Plan FiledIFR

Aircraft FireNo

Aircraft ExplosionNo

Aircraft

AircraftBoeing 727-200A

Tail NumberN728

Aircraft CategoryAir

OperatorAmerican Airlines

Operating RulePart 121

Engines3

Engine TypeTurbofan

Engine DetailsP&W · JT8D-9 · Turbofan · 14000 | P&W · JT8D-17R · Turbofan · 17000

Seats134

People & Injuries

Injury SummaryNo injuries (261 uninjured)

Fatal0

Serious0

Minor0

Uninjured261

Total261

Crew 1Age 51 · First Class

Crew 2Age 32 · First Class

Conditions

ConditionsUnknown

LightDark Night

WindCalm

CeilingNone

Temperature / Dew Point0 C / 0 C

Altimeter0

Weather SourceWFAC

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March 22, 1989 · Boeing 727-200A · N728

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