They used 15 of the 100 aircraft in the surveillance fleet, compared to 52 aircraft during the last seven day period the North Star Post audited.
This represents either much more limited aerial surveillance activity, or a tightening of the availability of flight tracking data, or a combination of both. The Post primarily uses FlightRadar24, a public aviation tracking website that it is not difficult for aircraft owners and operators to pull tracking data from, typically with a request to
…