TAM A320 over Brazil on Oct 25th 2012, losscomm, loss of radar contact and non-compliance with flight plan claimed

Last Update: October 29, 2012 / 16:56:50 GMT/Zulu time

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Incident Facts

Date of incident
Oct 25, 2012

Classification
Incident

Flight number
JJ-3665

Aircraft Registration
PR-MHM

Aircraft Type
Airbus A320

ICAO Type Designator
A320

A TAM Linhas Aereas Airbus A320-200, registration PR-MHM performing flight JJ-3665 from Aracaju,SE to Sao Paulo Guarulhos,SP (Brazil), was climbing out of Aracaju when radio communication with the aircraft was lost. The aircraft continued towards Sao Paulo. Forca Aerea Brazil however, having lost radar contact with the aircraft, dispatched a fighter aircraft to accompany the A320 and restore radar contact. Radio communication was eventually restored after about one hour and the aircraft landed safely in Sao Paulo on schedule about 2 hours after departure.

Forca Aerea Brazil reported, that the aircraft lost radio and radar contact and did not follow their flight plan diverting from their assigned route, hence an abnormal scenario was declared and a fighter aircraft dispatched to intercept and accompany the A320 to provide a radar target instead of the A320.

The airline reported that radar contact was assured at all times, however parts of the flight were conducted without radio contact and in compliance with flight plan and clearances. Contact with ATC was eventually restored. The cause of the loss of communication is under investigation.

Radar data available to The Aviation Herald confirm, that the transponder of PR-MHM was transmitting ADS-B data (superset of Mode-S) at all times. There was no loss of communication code received via the transponder.
Incident Facts

Date of incident
Oct 25, 2012

Classification
Incident

Flight number
JJ-3665

Aircraft Registration
PR-MHM

Aircraft Type
Airbus A320

ICAO Type Designator
A320

This article is published under license from Avherald.com. © of text by Avherald.com.
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