Biggin Hill airport has announced this week that it will not be renewing the lease for the three flying schools based there meaning that pilot training from scratch will cease in six months time. A spokesman said
"Modern TCAS systems do not allow the close interaction of business jets and light aircraft. Our airport Safety Management System has highlighted an issue with interactions between light aircraft and business jets. We have tried various measures to mitigate this issue, but in the end we have reluctantly concluded that only a significant reduction in light aircraft movements will serve to properly address this issue."
I wonder if this might have an affect on other outfits in the future: