From routine flight to ‘possible terror attack’: The unanswered questions around Flydubai FZ1073

A flydubai flight travelling from Dubai to Tel Aviv was diverted to Saudi Arabia on Wednesday after a violent incident involving the pilots, triggering emergency signals and a sharp drop in altitude. Israeli officials said they were investigating whether the incident could have been an attempted terror attack.

From a routine Dubai-to-Tel Aviv journey to an emergency landing in Saudi Arabia, Flydubai flight FZ1073 was thrown into crisis after a reported violent confrontation between the pilots. The aircraft transmitted emergency signals and plunged thousands of feet before landing safely in Tabuk. Israeli officials are now examining whether the incident was a possible terror attack, leaving questions over what happened in the cockpit and why.

Flight FZ1073, a Boeing 737 travelling from Dubai to Tel Aviv, was diverted to Tabuk in north-western Saudi Arabia after an incident in the cockpit.

According to two Israeli officials cited by Reuters, the co-pilot was believed to have stabbed the captain before cabin crew entered the cockpit and took control of the aircraft. Both pilots were injured and taken to hospital, according to Tabuk airport authorities.

Flydubai said the aircraft had experienced an incident and diverted to Tabuk, where it landed safely. The airline said all passengers were safe and accounted for.

Why did the plane suddenly plunge?

Flight-tracking data showed an unusually rapid descent during the incident.

Reuters, citing Flightradar24 data, reported that the aircraft appeared to descend by nearly 14,000 feet in less than 30 seconds before transmitting its first emergency signal. Other tracking reports put the overall drop at more than 17,000 feet over a longer period.

The exact reason for the descent has not been independently established. Reports have linked it to the cockpit confrontation, but investigators will need to determine precisely what happened.

What do the emergency signals mean?

The aircraft transmitted a general emergency signal and later a signal indicating possible unlawful interference, according to Flightradar24 data cited by Reuters. It subsequently transmitted the general emergency signal again before landing in Tabuk.

The signals prompted concern about a possible hijacking and contributed to a security response in Israel.

However, an emergency or unlawful-interference signal by itself does not establish who activated it or what happened inside the cockpit.

Why is Israel investigating a possible terror attack?

Two Israeli officials told Reuters that Israel's current assessment was that the incident may have been an attempted terror attack by one of the pilots. They said the assessment was not being attributed to a mental-health issue involving either pilot.

This remains an Israeli official assessment, not a final finding. The circumstances and motive are still under investigation.

There were also conflicting reports about the incident in Israeli media, including claims that the event could have involved an attempted suicide or an effort to crash the aircraft. Reuters said these reports could not immediately be independently verified.

How did the plane land safely?

The aircraft eventually diverted to Tabuk airport in Saudi Arabia and landed safely. Both pilots were taken to hospital.

Passenger accounts reported shouting and a struggle inside or around the cockpit. One passenger's mother told Reuters that her daughter had described seeing blood and passengers intervening after a person with a knife allegedly attacked a pilot. Reuters said it could not immediately verify an image reportedly showing a blood-stained shirt.

Were the passengers safe?

Yes. Flydubai said all passengers were safe and accounted for after the aircraft landed in Tabuk. Saudi airport authorities also confirmed that the injured pilots were taken to hospital.

The aircraft reportedly carried around 150 passengers, although some reports have given different figures.

Why did the incident trigger an Israeli security response?

The flight was carrying Israeli passengers and was headed from Dubai to Tel Aviv when the emergency signals were transmitted.

The incident prompted security consultations in Israel. Prime Minister Benjamin Netanyahu was briefed and cleared his schedule to manage the situation, according to an Israeli official cited by Reuters. His office said the situation was under control and that measures were being taken to bring the passengers back to Israel.

The fact that the aircraft ultimately landed in Saudi Arabia also added a diplomatic dimension, since Israel and Saudi Arabia do not have formal diplomatic relations.

Why the story is significant

The incident combines an unusual cockpit confrontation, emergency aviation signals, a rapid descent and a diversion into Saudi Arabia involving an Israel-bound aircraft.

The most serious element is the possibility, raised by Israeli officials, that the incident was deliberate and potentially terror-related. However, that assessment remains under investigation, and several details — including the precise motive, the sequence of events in the cockpit and who initiated the emergency signals — have not been independently established.

The key distinction in this developing story is between what happened aboard the aircraft and how authorities interpret the motive. The cockpit confrontation and emergency diversion are established elements of the incident, while the terror-attack theory is an assessment by Israeli officials that remains subject to investigation.

The rapid loss of altitude and the transmission of an unlawful-interference signal explain why the incident initially raised fears of a hijacking. The safe landing in Saudi Arabia, however, meant the immediate threat to passengers was brought under control.

Investigators will now have to establish what happened in the cockpit, why the aircraft descended so rapidly, why the emergency signals were transmitted and whether the incident was deliberate.