Originally Posted by
jmdavies86
Usually the passport information for passengers onboard private jets is forwarded in advance onto Customs/Immigration & the FBO by the aircraft operator.
An inbound aircraft will only usually be greeted if there is prior intelligence and/or an issue with an individuals details that requires further investigation.
Presumably this is how Johnny Depp and Amber Heard smuggled Pistol and Boo past Australian border officials. They were only noticed when they were taken to an Australian dog groomer who realised they hadn't been quarantined and reported them.