BEA - Office of Investigations and Analysis for Civil Aviation Safety of the French Republic

01/06/2023 | Press release | Distributed by Public on 01/06/2023 09:26

Incident to the Aibus A320 registered EP-ZAV operated by Zagros on 07/12/2022 en route

Investigation led by AAIB - Islamic Republic of Iran

Incident to the Aibus A320 registered EP-ZAV operated by Zagros on 07/12/2022 en route

Preliminary data based on the notification from the Iranian authorities:

Flight from Kish to Isfehan with flight number 4005 normally took off around 0609 utc, after 40 min of flight, during cruise phase, crew faced with below ecam warning messages leading to aircraft decompressurization and consequently to emergency landing in Isfehan airport (all oxygen mask drops)

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Cabin pressure problem

General information
Local date 07/12/2022
Responsible entity Islamic Republic of Iran - AIB
Scope of Investigation Full (Annex 13) type investigation
State or area of occurrence Middle East - Iran, Islamic Republic of
Location En route
Human consequences None
Aircraft consequences None
Occurrence class Incident
File number BEA2022-0613
Flight Information
Aircraft category Fixed Wing - Aeroplane - Large Aeroplane - Large Aeroplane
Operator Iran, Islamic Republic of - Zagros Airlines
Manufacturer / Model AIRBUS - A320
Aircraft Registration EP-ZAV
State of registry Iran, Islamic Republic of
Last departure point Iran, Islamic Repuplic of - OIBK (KIH): Kish I.
Planned destination Iran, Islamic Repuplic of - OIFM (IFN): Esfahan
Flight phase En route
Serial number
Operator Type AG
Operation Type Commercial Air Transport - Passenger - Airline

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.