A China Airlines crew said it saw what appeared to be someone in a jetpack on Wednesday at 6,000ft , seven miles north-west of LAX.
The FBI is investigating the incident, along with a similar sighting in September. The FBI have not said if they were a risk to the airplanes but 6,000 FT in a fucking jetpack is pretty high.

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“The FBI is in contact with the FAA and is investigating multiple reports of what, according to witnesses, appeared to be an individual in a jetpack near LAX,” FBI Los Angeles Field Office spokeswoman Laura Eimiller was quoted as saying.
Would you mess with an airplane with a rocket strapped to your back, 6,000 FT in the air?