The incident was reported at about 2:45 p.m. some 15 miles east of LAX, according to the Federal Aviation Administration.
A jet pack sighting has been reported by pilots landing at LAX a number times before, sparking many theories about jet packs, drones and balloons.
It's illegal to fly any type of drone near an airport.
The FAA is looking into the latest jet pack sighting at LAX.
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