The force added: “We understand that these incidents have caused concern as well as significant disruption for passengers and their families.
“People can be reassured that the situation is being treated extremely seriously and that agencies continue to work closely together.”
Investigators had previously launched a “multi-agency response” into the activity, working with the Honorary Police, Channel Islands Air Search, Government of Jersey and Ports of Jersey staff to find those responsible.
Officers and partner agencies searched several areas in the west of the island, but no drone operator has yet been identified.
Jersey’s chief minister, Senator Lyndon Farnham, said those responsible should “expect to face the full consequences of the law”.
