New GPS spoofing incident shows how it works

By OPSGROUP Team

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An OPSGROUP member reported a new GPS spoofing encounter yesterday in the Ankara FIR, while flying southbound between UDVET and INPOR.

The encounter began around 1200Z, when both selected GPS positions began to show the aircraft position as being over OLBA/Beirut – approx 120nm away.

The crew had disabled GPS inputs prior to the area, but briefly selected them again on the PNF side – when the spoofing began. The route flown during the event was essentially a straight line from LTAF/Adana to LCLK/Larnaca.

The aircraft was a Global Express 7500 at FL470. OLBA/Beirut is in one of the three hotspot areas for GPS spoofing, but this one over Adana is perhaps the furthest away yet to report the problem.

Analysis

This is a great example of how GPS spoofing works. The Nav Display shows the fake GPS position with the star symbol – located exactly at OLBA/Beirut airport.

The aircraft position however – thanks to the crew disabling GPS sensors – is correctly shown over LCLK/Larnaca.

If the crew had not proactively disabled those sensors, the aircraft position would also be shown as over OLBA – and if the spoofing was subtle, the FMS would tend to start suggesting a right turn back to the track inbound ODELO.

 

 

Further reading:

 

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More on the topic:

More reading:

OPSGROUP Team

OPSGROUP Team

Question for us? Write to blog.team@ops.group.

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